Inventor
Nobutaka Takeuchi
Inventor
Kanagawa, JP
Overview
Patents· 76 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography68%
F01PCooling of machines or engines in general5%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%
F02DControlling combustion engines3%
B60NSeats specially adapted for vehicles2%
F01MLubricating of machines or engines in general2%
F02BInternal-combustion piston engines2%
Y02TClimate change mitigation technologies related to transportation2%
A47HFurnishings for windows or doors1%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form1%
PatentTitleYear
10,400,446Transparent noncombustible sheet20199,436,135'Toner pattern density correction in an image forming apparatus'20169,323,200'Image forming apparatus that performs parameter correction processing according to an image density in a predetermined region'20169,297,292'Engine cooling device'20169,234,466'Device for controlling internal combustion engine'20168,811,846'Optical sensor with positioning reference surface and image forming apparatus incorporating optical sensor'20148,794,193'Engine cooling device'20148,757,109'Engine cooling device'20148,523,260'Console storage retention structure'20138,503,893'Image forming apparatus and method for controlling image density'20138,455,851'Optical sensor and image forming apparatus'20138,439,003'Cooling apparatus for internal combustion engine, method of controlling the same, and hybrid vehicle including the same'20138,292,499'Engine coolant amount determining apparatus'20128,254,795'Supply control unit and image forming apparatus'20128,235,442'Console lid slide rail attachment'20128,238,768'Image forming apparatus including developing unit and toner supplying unit'20128,233,813'Image forming apparatus and image-density control method'20128,210,592'Console storage retention structure'20128,180,261'Image forming apparatus including a developer replenishing device which uses an air feeding device for a two-ingredient type developer'20128,175,471'Image forming apparatus and image density control method'20128,155,543'Image forming apparatus capable of reducing a lengthy duration of an adjustment control'20128,145,100'Process cartridge including developing unit and incorporated in image forming apparatus'20128,103,181'Image forming apparatus and method of adjusting charge bias'20128,099,006'Image forming apparatus and image quality correction method used therein'20128,095,025'Image forming apparatus capable of efficient toner concentration control'20128,061,336'PCV system for V-type engine'20118,045,874'Image forming apparatus and image density control method'20118,027,605'Image forming apparatus and image density control method'20118,009,997'Toner replenishment determination device of an image forming apparatus'20117,929,873'Image forming apparatus and image density control method'20117,903,986'Reuse method and a reusable device for an image forming apparatus having a first process linear velocity and a second image processing apparatus having a second process linear velocity'20117,885,556'Image forming apparatus for correcting a toner density target value'20117,881,629'Image forming apparatus and image density control method'20117,821,677'Method and apparatus for image forming capable of accurately detecting displacement of transfer images and image density'20107,809,322'Image forming apparatus and process cartridge therefore having a cleaner section which stores unused developer'20107,809,291'Image forming apparatus with a two component developer, toner density detection and toner density correction'20107,778,560'Image forming apparatus and method of adjusting charge bias'20107,747,182'Image forming apparatus with toner density control'20107,672,602'Developing unit and image forming apparatus which forces consumption of toner'20107,668,471'Image forming apparatus and image forming method'20107,664,413'Image forming device including a toner pattern forming unit'20107,631,639'Oil separator for blowby gas'20097,616,909'Image forming apparatus and image forming method'20097,551,864'Image forming apparatus and method of controlling an image quality'20097,551,862'Developing device, and process unit and image forming apparatus using the developing device'20097,548,704'Image forming apparatus effectively conducting a process control'20097,536,121'Image forming apparatus and image density control method'20097,515,844'Image density control method and image forming apparatus'20097,512,364'Image forming apparatus including a developer replenishing device for a two-ingredient type developer'20097,493,058'Image forming apparatus and toner concentration controlling method'20097,480,473'Image formation apparatus and process cartridge including a trickle development system and a cleanerless system'20097,444,107'Image forming method and apparatus having a unit for conveying toner and carrier particles from a cleaning unit to a developing unit'20087,356,288'Developing apparatus having improved agitation effect'20087,346,286'Method and apparatus for image forming effectively detecting deterioration of developer'20087,313,336'Method and apparatus for image forming capable of effectively recycling toner'20077,245,853'Developer container, developer supplying unit, and image forming apparatus'20077,245,861'Developing device, image forming apparatus and process cartridge including the developing device, and developing method'20077,191,757'Throttle control in internal combustion engine for noise reduction'20077,171,145'Developing device and process cartridge for an image forming apparatus'20077,127,198'Image forming apparatus including a developer replenishing device for a two-ingredient type developer'20067,116,932'Developing unit and image forming apparatus'20067,103,305'Developing apparatus for image forming apparatus'20067,024,141'Developing device and process cartridge for an image forming apparatus'20066,978,109'Image forming apparatus'20056,856,780'Method and device for developing a latent image and image forming apparatus using the same'20056,823,163'Image forming apparatus including an electric field having an oscillation component between an image carrier and a developer carrier'20046,819,901'Developing method and a developing device for image forming apparatus'20046,778,805'Image forming apparatus having a developing device with a magnet brush'20046,757,509'Image forming apparatus'20046,665,511'Developing device and image forming apparatus including the same'20036,654,579'Image forming apparatus including diamond-like or amorphous structure containing hydrogen surface protection layer'20036,625,409'Image forming apparatus having a diamond-like structure surface protection layer on a photoconductive layer'20036,597,885'Image forming apparatus having a developing device with a magnet brush'20036,442,364'Image forming apparatus having a developer carrier capable of preventing toner adhesion'20026,366,751'Image forming apparatus including preselected range between charge injection layer and voltage potential'20025,937,228'Image forming apparatus'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2010Patents assigned to RICOH KK (41)· patent assignee history
1999–2016Based in Kanagawa, JP· patent location history
2003–2013Based in Yokohama, JP· patent location history
2007–2013Based in Nishikamo-gun, JP· patent location history
2011–2016Patents assigned to TAKEUCHI NOBUTAKA (24)· patent assignee history
2011–2016Patents assigned to RICOH CO LTD (22)· patent assignee history
2012–2016Patents assigned to FUJIMORI KOHTA (11)· patent assignee history
2012–2013Patents assigned to HASEGAWA SHIN (9)· patent assignee history
2012–2016Based in Miyoshi, JP· patent location history
2012Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 41 | 1999–2010 |
| TAKEUCHI NOBUTAKAself | 24 | 2011–2016 |
| RICOH CO LTD | 22 | 2011–2016 |
| FUJIMORI KOHTA | 11 | 2012–2016 |
| HASEGAWA SHIN | 9 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 42 | 1999–2016 |
| Yokohama, JP | 21 | 2003–2013 |
| Miyoshi, JP | 5 | 2012–2016 |
| Nishikamo-gun, JP | 4 | 2007–2013 |
| Saitama, JP | 2 | 2012 |