Inventor
Hiroshi Saitoh
Inventor
Ayase, JP
Overview
Patents· 89 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography29%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
Y10TTechnical subjects covered by former us classification6%
G11BInformation storage based on relative movement between record carrier and transducer5%
B05BSpraying apparatus3%
B81BMicrostructural devices or systems, e.g. micromechanical devices3%
G01CMeasuring distances, levels or bearings3%
G01RMeasuring electric variables3%
G06FElectric digital data processing3%
H04NPictorial communication, e.g. television3%
PatentTitleYear
8,577,274'Image forming apparatus including a lubricant applying device configured to apply lubricant to an image carrier'20138,344,489'Semiconductor device and manufacturing method thereof'20138,218,997'Cleaning member, charging device, process cartridge, and image forming apparatus'20128,138,757'Manufacturing method for magnetic sensor and lead frame therefor'20127,924,325'Imaging device and imaging system'20117,829,982'Lead frame, sensor including lead frame and method of forming sensor including lead frame'20107,830,011'Semiconductor element and wafer level chip size package therefor'20107,769,310'Image forming apparatus with improved separability of transfer material'20107,754,130'Method for manufacturing physical quantity sensor'20107,728,445'Semiconductor device production method and semiconductor device'20107,727,793'Physical quantity sensor and manufacturing method therefor'20107,646,092'Semiconductor device and manufacturing method thereof'20107,639,922'Autorec signal multiplex apparatus, autorec signal multiplex method, program, and recording medium'20097,595,548'Physical quantity sensor and manufacturing method therefor'20097,560,811'Semiconductor device'20097,554,182'Semiconductor device and package, and method of manufacturer therefor'20097,541,665'Lead frame for a magnetic sensor'20097,539,698'File name generating unit'20097,494,838'Manufacturing method for magnetic sensor and lead frame therefor'20097,360,109'Measuring the interval of a signal using a counter and providing the value to a processor'20087,298,417'Signal processing apparatus, signal processing method, program, and recording medium'20077,192,808'Semiconductor device having a lead frame smaller than a semiconductor chip and manufacturing method therefor'20077,187,063'Manufacturing method for magnetic sensor and lead frame therefor'20077,184,678'Image forming apparatus with improved separatability of transfer material'20077,171,956'EGR cooler'20077,170,149'Semiconductor device and package, and method of manufacture therefor'20076,961,535'Image forming apparatus'20056,940,311'Data transmission system'20056,895,209'Cleaning device and image forming apparatus using the same'20056,813,467'Image forming apparatus'20046,778,473'Optical disk recording and/or reproducing apparatus and access method'20046,700,595'Image forming apparatus with accurate image formation'20046,532,355'Toner recycling device and method, and image forming apparatus and method using the toner recycling device'20036,493,831'Timer circuits for a microcomputer'20026,430,383'Image transferring device and image forming apparatus including the same'20026,421,511'Transfer device and image formation apparatus'20026,314,256'Image forming apparatus with fixing unit falling off preventing device'20016,249,661'Device for supporting an image carrier included in an image forming apparatus'20016,112,046'Image forming apparatus having recycling of residual toner'20006,033,818'Developing device for an image forming apparatus'20005,995,789'Toner cartridge including toner outlet openings and toner collection openings arranged substantially in a single array'19995,924,399'Intake system-draining structure for engine'19995,879,752'Method of coating a toner conveyor roller'19995,872,792'Microcomputer'19995,873,021'Cleaner and toner magazine for electrophotographic apparatus'19995,845,183'Developing device for an image forming apparatus'19985,826,144'Developing device for an electrophotographic recording apparatus including bias control of a toner supplying roller'19985,768,665'Image forming apparatus with bias control to prevent undesirable toner deposition'19985,734,952'Developing device for an image forming apparatus and toner cartridge for replenishing a fresh toner to the developing device'19985,708,942'Developing device for an image forming apparatus'19985,697,026'Developing device having the lengths of two toner transporting rollers and an image bearing member in specific relationships'19975,697,038'Cleaner and toner magazine for electrophotographic apparatus'19975,689,782'Developing apparatus for electronic photographic recording equipment, having two developer transfer rollers'19975,666,625'Device for electrostatically developing a latent image on an image carrier'1997RE035528'Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine'19975,625,438'Toner, and devices for electrostatically depositing a uniform application thereof'19975,625,441'Developing device for an image forming apparatus'19975,625,440'Developing device having seals between a toner transport roller and the toner hopper which prevent toner leakage and scattering'19975,617,191'Toner conveyor roller and image forming apparatus having the same'19975,610,693'Developing device for an image forming apparatus'19975,598,390'Dual more recording and reproducing apparatus having two recording regions using differing reproduction principles'19975,592,446'Dual mode recording and reproducing apparatus having two recording regions using differing reproduction principles'19975,581,525'Dual mode recording and reproducing apparatus having two recording regions using differing reproduction principles'19965,555,081'Cleaner and toner magazine for electrophotographic apparatus'19965,552,870'Developing device for an image forming apparatus'19965,489,747'Developing device for an image forming apparatus'19965,486,909'Developing device for an image forming apparatus'19965,460,666'Method of manufacturing natural aging-retardated aluminum alloy sheet'19955,418,801'Metal vapor lasers'19955,417,919'Aluminum alloy material having high strength and excellent formability'19955,347,676'Squeegee'19945,349,425'Combined cleaner and toner magazine for an image forming apparatus'19945,327,197'Electrophotographic apparatus'19945,315,357'Cleaning unit provided in xerographic image forming apparatus for removing residual toner from an image carrier'19945,268,720'Electrophotographic recording apparatus having magazine unit for storing developer'19935,243,169'Multiple torch type plasma generation device and method of generating plasma using the same'19935,126,799'Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine'19925,070,274'Method for making diamond and apparatus therefor'19915,065,193'Heat fixing roll for copying machine, method of producing the same and electronic copying machine provided with the same'19914,984,087'Microphone apparatus for a video camera'19914,819,169'System and method for calculating movement direction and position of an unmanned vehicle'19894,805,069'Powder charging apparatus and electrostatic powder painting apparatus'19894,743,940'Thermal fixing roller for use in a copying machine and method for manufacturing the same'19884,741,286'Single torch-type plasma spray coating method and apparatus therefor'19884,670,290'Multiple torch type plasma spray coating method and apparatus therefor'19874,485,162'Magnetic carrier powder having a wide chargeable range of electric resistance useful for magnetic brush development'19844,377,603'Method and apparatus for electrostatic powder coating'19834,320,564'Coil winding machine'19824,299,023'Machine for winding and inserting coils'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–2013Based in Tokyo, JP· patent location history
1983–1993Patents assigned to ONODA CEMENT CO LTD (8)· patent assignee history
1983–2010Based in Chiba, JP· patent location history
1987–1993Based in Funabashi, JP· patent location history
1992–2010Patents assigned to RICOH KK (40)· patent assignee history
1992–2001Based in Ayase, JP· patent location history
1999–2008Patents assigned to OKI ELECTRIC IND CO LTD (4)· patent assignee history
2007–2013Patents assigned to YAMAHA CORP (16)· patent assignee history
2007–2013Based in Iwata, JP· patent location history
2012–2013Patents assigned to SAITOH HIROSHI (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 40 | 1992–2010 |
| YAMAHA CORP | 16 | 2007–2013 |
| ONODA CEMENT CO LTD | 8 | 1983–1993 |
| OKI ELECTRIC IND CO LTD | 4 | 1999–2008 |
| SAITOH HIROSHIself | 4 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ayase, JP | 28 | 1992–2001 |
| Iwata, JP | 15 | 2007–2013 |
| Chiba, JP | 9 | 1983–2010 |
| Funabashi, JP | 7 | 1987–1993 |
| Tokyo, JP | 6 | 1981–2013 |