Inventor
Junichi Matsumoto
Inventor
Kanagawa, JP
Overview
Patents· 162 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography41%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y02TClimate change mitigation technologies related to transportation5%
H02JElectric power networks4%
B60LPropulsion of electrically-propelled vehicles3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
G01RMeasuring electric variables3%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them2%
PatentTitleYear
11,112,678Camera focus adjustment jig and camera focus adjustment method202111,101,648Power supply system202111,050,247Power supply system202111,029,623Powder amount detector including a pair of measuring electrodes202110,985,606Power supply system202110,965,150Power supply system202110,948,850Powder container and image forming apparatus202110,944,262Power supply system202110,908,531Powder container, powder supply device and image forming apparatus202110,876,086Cell treatment method, laser processing machine, and cell culture vessel202010,852,689Powder container and image forming apparatus202010,649,367Powder supply device and image forming apparatus incorporating same202010,635,043Powder container and image forming apparatus202010,474,062Powder container and image forming apparatus201910,466,623Powder container, powder supply device and image forming apparatus201910,394,186Powder container and image forming apparatus201910,317,839Developing device and image forming apparatus201910,281,843Powder container, powder supply device and image forming apparatus201910,203,650Powder container and image forming apparatus201910,126,682Developing device, and image forming apparatus and process cartridge incorporating same201810,048,644Powder container and image forming apparatus201810,044,199Electric storage system that detects voltage values of a plurality of electric storage elements20189,983,509Powder container, powder supply device and image forming apparatus20189,970,887Defect inspection method and apparatus therefor20189,948,116Power storage system20189,897,555'Defect inspection method and apparatus therefor'20189,772,579'Developing device and image forming apparatus incorporating same'20179,746,485'Automatic blood coagulation analysis device'20179,740,139'Powder container including a container portion to be engaged with a powder replenishing device'20179,625,851'Developing device and image forming apparatus incorporating same'20179,598,031'Vehicle'20179,547,258'Powder container, powder supply device and image forming apparatus'20179,547,257'Developer pump with restricted detection time and image forming device'20179,499,887'Magnesium alloy sheet'20169,492,889'Laser processing machine'20169,482,987'Powder container, powder supply device and image forming apparatus'20169,405,221'Powder container and image forming apparatus incorporating same'20169,285,763'Cap, powder container, developer supply device, and image forming apparatus'20169,244,379'Powder container and image forming apparatus incorporating same'20169,229,361'Developer conveyance device, image forming apparatus, and developer conveyance method'20169,182,704'Developer conveyance device and image forming apparatus having a pump to move the developer in a relationship with the developer contained in a reservoir'20159,176,425'Developer replenishing device to transport developer from developer container, image forming apparatus including same, and conveyance device to transport powder or fluid from container'20159,073,437'Device and method for controlling rechargeable battery, including warning a user to subject the rechargeable battery to a diagnosis'20159,035,791'Data collection method and data collection system'20159,031,471'Development device and image forming apparatus incorporating same'20158,965,250'Cap, powder container, developer supply device, and image forming apparatus'20158,934,813'Image-forming apparatus and powder container'20158,886,479'Charge state detecting device for battery pack and method for detecting charge state'20148,886,095'Powder container, powder supply device and image-forming apparatus'20148,880,251'Hybrid vehicle and method of controlling hybrid vehicle'20148,843,333'Nonaqueous electrolyte solution type lithium ion secondary battery system, method for determining lithium deposition in that system, and vehicle provided with that system'20148,828,158'Magnesium alloy sheet'20148,688,012'Developing device and image forming apparatus'20148,682,187'Development device and image forming apparatus incorporating same'20148,666,288'Developing device and image forming apparatus'20148,639,150'Development device and image forming apparatus'20148,615,186'Development device and image forming apparatus incorporating same'20138,563,151'Electric vehicle'20138,515,316'Developing device and image forming apparatus'20138,385,783'Development device including an agitator having a linear member, and an imaging forming apparatus including the development device'20138,295,739'Development device and image forming apparatus using same having multiple supply ports which are disposed at different positions in the axial direction'20128,280,281'Development device and image forming apparatus'20128,260,175'Developing apparatus and image forming apparatus using same'20128,185,021'Developing device and image forming apparatus'20128,180,261'Image forming apparatus including a developer replenishing device which uses an air feeding device for a two-ingredient type developer'20128,175,488'Image forming apparatus and image forming method including transporting developer using an airflow generator'20128,139,985'Developing apparatus and image forming apparatus using same'20128,129,944'Control device for a secondary battery and vehicle'20128,112,016'Developing agent circulation system and image forming apparatus using same'20128,103,197'Developing system and image forming apparatus incorporating same'20128,073,368'Development device and image forming apparatus'20118,044,144'Resin composition, transparent film or sheet having elasticity recovering property, and wrap film'20118,036,576'Developing device including a stirring mechanism for a two-component developer and image forming apparatus including same'20118,036,787'Control device for power storage device and vehicle'20118,014,703'Development device and image forming apparatus'20118,000,638'Developing device using two-component developing agent and image forming apparatus provided with same'20117,953,350'Developing device for developing latent images to toner images'20117,917,055'Toner container including a toner draining unit and a shutter, and corresponding image forming apparatus'20117,912,408'Image forming apparatus, process cartridge, and development device'20117,894,753'Developer container including mouth member and image forming apparatus including the same'20117,881,912'Orthogonal basis bubble function element numerical analysis method, orthogonal basis bubble function element numerical analysis program, and orthogonal basis bubble function element numerical analyzing apparatus'20117,835,653'Developing device and image forming apparatus'2010RE041853'Scribing head, and scribing apparatus and scribing method using the scribing head'20107,809,322'Image forming apparatus and process cartridge therefore having a cleaner section which stores unused developer'20107,796,914'Powder container having a cylindrical shutter'20107,792,472'Developing apparatus and image forming apparatus using same'20107,783,233'Developing device including improved conveying device, process cartridge and image forming apparatus using the same'20107,782,064'Test apparatus and test module'20107,778,577'Developer container for an image forming apparatus'20107,729,642'Stress-reduceable transport unit and image forming apparatus using the same'20107,636,536'Image forming apparatus having an improved developer conveying system'20097,603,054'Image forming apparatus, powder supplying unit, toner container, powder container, and method of recycling the powder container'20097,593,674'Body member of a powder container'20097,542,703'Developing device replenishing a toner or a carrier of a two-ingredient type developer and image forming apparatus including the developing device'20097,542,697'Toner supply unit and image forming apparatus'20097,536,139'Powder container for use in an image forming apparatus having an opening which faces horizontally'20097,512,364'Image forming apparatus including a developer replenishing device for a two-ingredient type developer'20097,509,517'Clock transferring apparatus for synchronizing input data with internal clock and test apparatus having the same'20097,509,079'Toner, toner conveying apparatus and method, and image forming apparatus'20097,450,891'Developer container for an image forming apparatus'20087,444,107'Image forming method and apparatus having a unit for conveying toner and carrier particles from a cleaning unit to a developing unit'20087,406,278'Powder container having a lower section with multiple parts which rotatably engage with each other'20087,356,288'Developing apparatus having improved agitation effect'20087,356,290'Toner supply unit and image forming apparatus'20087,346,299'Developer container for an image forming apparatus'20087,346,286'Method and apparatus for image forming effectively detecting deterioration of developer'20087,289,748'Apparatus and method for replenishing a developing device with toner while suppressing toner remaining'20077,289,201'Inspection device for transparent substrate end surface and inspection method therefor'20077,277,664'Image forming device, powder feeding device, toner storage container, powder storage container, and method of recycling the containers'20077,257,348'Body member of a powder container'20077,245,853'Developer container, developer supplying unit, and image forming apparatus'20077,221,891'Body member of a powder container'20077,218,880'Apparatus and method for replenishing a developing device with toner while suppressing toner remaining'20077,209,689'Toner supply unit and image forming apparatus'20077,130,558'Toner supply unit and image forming apparatus'20067,127,198'Image forming apparatus including a developer replenishing device for a two-ingredient type developer'20067,116,928'Powder discharging device and image forming apparatus using the same'20067,103,305'Developing apparatus for image forming apparatus'20067,088,945'Toner supply unit and image forming apparatus'20067,085,522'Developer container for an image forming apparatus'20067,076,191'Toner, toner conveying apparatus and method, and image forming apparatus'20067,065,313'Developer container, developer replenishing device using the same and image forming apparatus including the same'20067,043,179'Toner replenishing device with timing control of toner replenishing device'20066,933,980'Shutter for digital still camera'20056,901,670'Scribing head, and scribing apparatus and scribing method using the scribing head'20056,898,405'Developer container, developer replenishing device using the same and image forming apparatus including the same'20056,882,812'Image forming apparatus including developing device and developer containing device'20056,871,034'Developer container for an image forming apparatus'20056,826,381'Image formation device and agent supplying device including absorber conveying by negative pressure'20046,785,496'Developer container, developing conveying device and image forming apparatus using the same'20046,748,190'Apparatus and method for replenishing a developing device with toner while suppressing toner remaining'20046,734,691'Substrate for a probe card having conductive layers for supplying power to IC devices'20046,696,527'Olefin copolymers and films and sheets'20046,628,908'Toner supply unit and image forming apparatus'20036,628,915'Developer container for an image forming apparatus'20036,628,913'Method and apparatus for replenishing developer with a flexible powder container'20036,608,984'Image forming method and apparatus using developer carrier pressed into engagement with image carrier'20036,597,883'Powder pump capable of effectively conveying powder and image forming apparatus using powder pump'20036,571,076'Image forming apparatus and toner container therefor'20036,567,637'Apparatus and method for replenishing a developing device with toner while suppressing toner remaining'20036,542,707'Method and apparatus for image forming capable of effectively transferring various kinds of powder'20036,526,246'POWDER REPLENISHING DEVICE, POWDER CONVEYING DEVICE, DEVELOPING APPARATUS USING THE SAME POWDER REPLENISHING DEVICE OR POWDER CONVEYING DEVICE, AND IMAGE FORMING APPARATUS USING THE SAME POWDER REPLENISHING DEVICE OR POWDER CONVEYING DEVICE'20036,507,720'Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers therefor'20036,443,635'Electromagnetic actuator with auto-retaining of rotor at triple positions'20026,393,241'Nozzle having an end portion capable of penetrating into a toner discharging portion included in a toner container that stores powdery toner'20026,316,557'Catalysts for the polymerization of olefins, process for the production of olefin polymers, and processes for the production of styrene polymers'20016,163,669'Image forming apparatus'20006,029,388'Light-emitting fishing lure'20006,013,492'Microbial process for producing calcium D-pantothenate'20005,724,489'Apparatus for and method of generating robot teaching data on offline basis'19985,693,728'Process for producing cyclic olefin based polymers'19975,648,443'Cyclic olefin copolymers, compositions and molded articles comprising the copolymers'19975,629,398'Process for producing cyclic olefin based polymers, cyclic olefin copolymers, compositions and molded articles comprising the copolymers'19975,608,021'Cationic polymer thickener and process for preparing the same'19975,603,926'Cosmetic composition comprising cationic polymer thickener'19975,600,392'Position sensor'19975,446,514'Shutter blades drive mechanism for photographic cameras'19955,444,134'Process for producing olefin based polymers and olefin polymerization catalyst'19955,369,196'Production process of olefin based polymers'19945,344,900'Process for producing a norbornene polymer'19944,835,564'Aperture control apparatus of programming shutter'19894,809,018'Thermal transfer printer'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2009Based in Tokyo, JP· patent location history
1994–1997Based in Sodegaura, JP· patent location history
2000–2010Patents assigned to RICOH KK (55)· patent assignee history
2000–2021Based in Yokohama, JP· patent location history
2002–2021Based in Kanagawa, JP· patent location history
2010–2021Patents assigned to RICOH CO LTD (56)· patent assignee history
2011–2021Patents assigned to MATSUMOTO JUNICHI (51)· patent assignee history
2011–2021Patents assigned to TOYOTA MOTOR CO LTD (16)· patent assignee history
2011–2015Patents assigned to OHMURA TOMOYA (14)· patent assignee history
2011–2021Based in Toyota, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 56 | 2010–2021 |
| RICOH KK | 55 | 2000–2010 |
| MATSUMOTO JUNICHIself | 51 | 2011–2021 |
| TOYOTA MOTOR CO LTD | 16 | 2011–2021 |
| OHMURA TOMOYA | 14 | 2011–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 76 | 2002–2021 |
| Yokohama, JP | 25 | 2000–2021 |
| Toyota, JP | 16 | 2011–2021 |
| Tokyo, JP | 10 | 1989–2009 |
| Sodegaura, JP | 6 | 1994–1997 |