LexDanaLexDanabeta
Inventor

Kazuhiko Watanabe

Inventor
Tokyo, JP

Overview

142→
Patents
1978–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 142 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F25Bprimary
F25BRefrigeration machines, plants or systems22%
G03GElectrography18%
F16KValves7%
G06FElectric digital data processing6%
LOC236%
F02BInternal-combustion piston engines4%
LOC123%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables2%
Y10TTechnical subjects covered by former us classification2%
LOC262%
PatentTitleYear
11,023,186Secure mobile cloud printing using printing device groups202110,682,808Three-dimensional object fabrication method, fabrication apparatus, and fabrication system202010,514,651Cleaning blade, cleaning device, image forming apparatus, and process cartridge2019D0864801Radiator grill for an automobile2019D0862750Rear combination lamp for automobile201910,351,382Sheet processing apparatus and image forming system2019D0833330Automobile and/or toy replica thereof201810,124,977Sheet stacking apparatus and image forming system2018D0833653Headlamp for an automobile2018D0833654Headlamp for an automobile201810,059,555Sheet stacking apparatus and image forming apparatus201810,042,315Blade and image forming apparatus and cleaning device incorporating same201810,031,466Cleaning blade, image forming apparatus, and process cartridge20189,977,396Blade and image forming apparatus incorporating same20189,962,335Method of manufacturing enteric soft capsule20189,901,547'Soft capsule shell'20189,904,233'Blade, cleaning device, and image forming apparatus incorporating same'20189,798,284'Blade and image forming apparatus incorporating same'20179,529,317'Blade and image forming apparatus incorporating same'20169,455,422'Rectangular battery'20169,436,117'Image forming apparatus configured to modify a reference voltage correction amount'20169,329,519'Charging roller, charging device and image forming apparatus incorporating same, and method of calculating resistance of charging roller'20169,310,750'Image forming apparatus and process cartridge therefor'20169,310,751'Blade member, image forming apparatus and process cartridge'20169,244,721'Computer system and divided job processing method and program'20169,170,557'Cleaning blade, image forming apparatus, and process cartridge'20159,081,353'Cleaner, and process cartridge and image forming apparatus using the cleaner'20159,052,629'Image forming apparatus'20158,918,008'Connector, charging device incorporating same, and image forming apparatus incorporating the connector'20148,798,516'Cleaning device, and image forming apparatus, process cartridge, and intermediate transfer unit each including the cleaning device'20148,712,309'Cleaning device, and image forming apparatus, process cartridge, and intermediate transfer unit each including the cleaning device'2014D0683674'Hood for automobile'20138,364,070'Cleaning device, and image forming apparatus, process cartridge, and intermediate transfer unit each including the cleaning device'20138,332,603'Dual writing device and its control method'2012D0671455'Automobile and/or toy replica thereof'2012D0670214'Radiator grill for an automobile'2012D0670216'Front bumper for automobile'20128,275,301'Cleaning device, method of manufacturing the cleaning device, and process unit and image forming apparatus using same'2012D0666752'Headlamp for an automobile'20128,172,214'Sheet collecting apparatus, post processing apparatus and image formation system'20128,131,199'Cleaning device for image forming apparatus, and process cartridge having cleaning device'20128,127,097'Dual writing device and its control method'20128,123,209'Sheet collecting method, sheet correcting apparatus, post-processing apparatus, and image formation system'20128,027,628'Cleaning device, process cartridge, and image forming apparatus'20117,974,565'Cleaning device for image forming apparatus and process cartridge provided therewith'20117,954,104'Remote copy storage device system and a remote copy method to prevent overload of communication lines in system using a plurality of remote storage sites'20117,899,382'Lubricant supplier, process cartridge including same, and image forming apparatus including same'20117,827,367'Backup control method for acquiring plurality of backups in one or more secondary storage systems'20107,774,567'Copy control method and a storage device'20107,769,920'Information processing apparatus, information processing method, and program and recording medium used therewith'20107,711,308'Cleaning device, process cartridge, and image forming apparatus'20107,678,601'Method of forming an acceleration sensor'20107,620,357'Image forming apparatus with obtuse-edge cleaning blade'20097,610,008'Cleaning device, and process unit and image forming apparatus including the cleaning device'20097,451,285'Computer systems, management computers and storage system management method'20087,415,238'Cleaning device, process cartridge, and image forming apparatus that include a blade that is pressed against a surface of a rotating member at a surface pressure of 2.0 MPa or more'20087,383,013'Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged'20087,373,788'Expansion valve'20087,369,807'Cleaner, and process cartridge and image forming apparatus using the cleaner'20087,332,940'Voltage hold circuit and clock synchronization circuit'20087,299,646'Expansion valve having solenoid relief valve'20077,251,437'Image formation apparatus having a body to be charged with specified properties and including the use of a protective material'20077,251,438'Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged'20077,222,502'Expansion valve'20077,185,826'Expansion valve'20077,184,699'Cleaning blade for image formation apparatus'2007D0532080'Expansion valve'2006D0529990'Expansion valve'20067,103,301'Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged'20066,942,160'Expansion valve'20056,935,573'Expansion valve'20056,896,190'Expansion valve'2005D0505183'Expansion valve'20056,892,953'Expansion valve integrated with solenoid valve'20056,889,909'Expansion valve'2005D0504714'Expansion valve'2005D0502252'Expansion valve'20056,824,068'Expansion valve'2004D0498516'Expansion valve'2004D0494658'Expansion valve'2004D0494657'Expansion valve'20046,776,351'Expansion valve'20046,758,055'Expansion valve and refrigeration cycle'20046,634,567'Expansion valve unit having pressure detecting function'20036,636,884'Method and system for controlling parallel execution of jobs'20036,626,370'Expansion valve'20036,561,433'Thermal expansion valve'20036,560,982'Thermal expansion valve'20036,532,753'Expansion valve'20036,533,245'Valve device'20036,528,731'Flat shield harness and method for manufacturing the same'20036,513,340'Expansion valve and refrigerating system'20036,474,088'Thermal expansion valve'20026,474,560'Thermal expansion valve'20026,467,290'Thermal expansion valve'20026,434,971'Expansion valve'20026,415,985'Thermal expansion valve'20026,412,703'Expansion valve'20026,397,628'Expansion valve and refrigerating system'20026,394,360'Expansion valve'20026,363,901'Pull starter for engine'20026,354,509'Thermal expansion valve'20026,334,137'Method and system for controlling parallel execution of jobs'20016,319,080'Outboard motor cooling and anode system'20016,308,695'Outboard motor engine layout'20016,242,126'Explosion-proof seal plate for enclosed type cell and production method thereof'20016,241,157'Expansion valve'20016,233,956'Expansion valve'20016,234,855'Driveshaft housing for outboard motor'20016,223,994'Thermal expansion valve'2001D0440632'Expansion valve'20016,206,294'Expansion valve'20016,189,800'Expansion valve'20016,164,624'Expansion valve and refrigerating system'20006,145,753'Expansion valve'20006,092,733'Expansion valve'2000D0427664'Expansion valve'2000D0427285'Expansion valve'20006,056,202'Expansion valve'20006,053,417'Expansion valve integrated with electromagnetic valve'20006,027,385'Exhaust system for outboard motor'20006,017,254'Cowling for outboard motor'20006,012,301'Thermal expansion valve'20005,996,899'Thermostatic expansion valve'19995,988,132'Pull starter for outboard motor'19995,958,071'Method and system for controlling parallel execution of jobs'19995,957,376'Expansion valve'19995,954,022'Oil pan mounting arrangement for four cycle outboard motor'1999D0413373'Expansion valve'19995,934,960'Outboard motor exhaust system'19995,897,099'Expansion valve and refrigerating system'19995,868,600'Toy car'19995,866,981'Electrodeless discharge lamp with rare earth metal halides and halogen cycle promoting substance'19995,597,117'Expansion valve with noise suppression'19975,297,728'Thermal expansion valve'19945,228,619'Thermal expansion valve'19935,109,247'Film processing apparatus'19925,062,554'Sliding nozzle device'19915,044,551'Thermo bulb for use with the thermostatic expansion valve'19915,005,370'Thermal expansion valve'19914,949,881'Portable gun-type adhesive discharger'19904,085,207'Amino acid parenteral solution containing reducing sugar'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2020Based in Tokyo, JP· patent location history
1991–2019Based in Kanagawa, JP· patent location history
1999–2008Patents assigned to FUJIKOKI CORP (50)· patent assignee history
1999–2016Patents assigned to HITACHI LTD (10)· patent assignee history
1999–2012Based in Yokohama, JP· patent location history
2001–2018Based in Shizuoka, JP· patent location history
2011–2021Patents assigned to RICOH CO LTD (25)· patent assignee history
2012–2020Patents assigned to WATANABE KAZUHIKO (32)· patent assignee history
2012–2013Based in Atsugi, JP· patent location history
2015–2018Patents assigned to TAWADA TAKAAKI (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJIKOKI CORP501999–2008
WATANABE KAZUHIKOself322012–2020
RICOH CO LTD252011–2021
TAWADA TAKAAKI122015–2018
HITACHI LTD101999–2016
Locations
LocationPatentsSpan
Tokyo, JP831990–2020
Yokohama, JP91999–2012
Kanagawa, JP81991–2019
Shizuoka, JP62001–2018
Atsugi, JP52012–2013