Inventor
Takamasa Ozeki
Inventor
Kanagawa, JP
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography100%
PatentTitleYear
10,061,226Image forming apparatus and image forming method20189,989,876Image forming apparatus and method for calculating a toner degradation rate20189,684,259'Image forming apparatus'20179,599,946'Image forming apparatus'20179,588,460'Image forming apparatus'20179,513,594'Protective layer forming device and image forming apparatus'20169,488,931'Image forming apparatus'20169,316,987'Image forming apparatus and image forming method'20169,316,950'Development device, process cartridge, image forming apparatus incorporating same, and developer amount adjustment method therefor'20169,298,125'Image forming apparatus and image forming method'20169,280,125'Image forming apparatus'20169,250,593'Image forming apparatus and image density control method employed by the image forming apparatus'20169,244,374'Image forming apparatus'20169,052,643'Image forming method and image forming apparatus for transforming a toner image into a semi-film'20159,042,748'Image forming apparatus'20158,824,932'Development device, and process cartridge and image forming apparatus incorporating same'20148,682,230'Development device, process cartridge, and image forming apparatus including same having multiple recesses formed on a developer bearer'20148,331,834'Developing unit, image forming apparatus incorporating same, and process cartridge including same'20128,326,189'Developing device, process cartridge, and image forming apparatus'20128,135,315'Developer regulating member in a developing unit, process cartridge including same, and image forming apparatus incorporating same'20127,813,680'Developing device, and image forming apparatus and process cartridge comprising the same'20107,474,867'Magnetic carrier, two-component developer, development method, development device and image forming apparatus of electrophotography'20097,283,774'Developing method using a two-ingredient type developer and image forming apparatus using the same'20077,095,971'Developing method and apparatus using two-ingredient developer with prescribed coating of particles and resin'20067,003,235'Developing device for suppressing variations in bulk density of developer, and an image forming apparatus including the developing device'20066,904,244'Developing device for suppressing variations in bulk density of developer, and an image forming apparatus including the developing device'20056,895,203'Developing method and apparatus using two-ingredient developer with prescribed coating of particles and resin'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2018Based in Kanagawa, JP· patent location history
2005–2012Based in Yokohama, JP· patent location history
2012–2018Patents assigned to OZEKI TAKAMASA (20)· patent assignee history
2012–2018Patents assigned to RICOH CO LTD (20)· patent assignee history
2016–2018Patents assigned to MORINAGA MUTSUKI (9)· patent assignee history
2016–2018Patents assigned to YAMAMOTO HITOSHI (9)· patent assignee history
2016–2018Patents assigned to HASEGAWA KUNIO (8)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OZEKI TAKAMASAself | 20 | 2012–2018 |
| RICOH CO LTD | 20 | 2012–2018 |
| MORINAGA MUTSUKI | 9 | 2016–2018 |
| YAMAMOTO HITOSHI | 9 | 2016–2018 |
| HASEGAWA KUNIO | 8 | 2016–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 22 | 2005–2018 |
| Yokohama, JP | 5 | 2005–2012 |