Inventor
Kazuhiro Koseki
Inventor
Kanagawa, JP
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography71%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification7%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments4%
G02BOptical elements, systems or apparatus4%
H10HInorganic light-emitting semiconductor devices having potential barriers4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
PatentTitleYear
8,956,793'Electrophotographic photoreceptor, process cartridge, and image forming apparatus'20158,877,412'Image forming apparatus and process cartridge'20148,808,953'Electrophotographic photoreceptor, process cartridge, and image forming apparatus'20148,679,709'Electrophotographic photoreceptor, process cartridge, image forming apparatus, and film forming coating solution'20148,574,797'Electrophotographic photoconductor, process cartridge, and electrophotographic image-forming apparatus'20138,492,059'Electrophotographic photoreceptor, process cartridge and image forming apparatus'20138,426,093'Electrophotographic photoreceptor, process cartridge and image-forming apparatus'20138,338,926'Lead frame for optical semiconductor devices, method of producing the same, and optical semiconductor device'20127,473,503'Electrophotographic photoreceptor, image-forming device, process cartridge and image-forming method'20097,420,723'Optical deflector, production method thereof, optical scanning device, and image forming apparatus'20087,105,257'Electrophotographic photoreceptor, process cartridge and image forming apparatus'20067,094,511'Electrophotographic photoreceptor, method for producing the same, image forming apparatus and process cartridge'20067,074,540'Image forming apparatus'20066,936,387'Electrophotographic photoreceptor, and electrophotographic process cartridge and electrophotographic apparatus using the same'20056,933,088'Photoreceptor of electrophotographic system, process cartridge and image forming apparatus'20056,876,371'Image forming apparatus'20056,835,520'Apparatus for forming image'20046,352,809'Process for producing electrophotographic photoreceptor, electrophotographic photoreceptor and image-forming apparatus'20026,010,810'Electrophotographic photoreceptor, process for the preparation thereof and image forming apparatus comprising the same'20005,576,806'Charging roll for electrophotography'19965,529,842'Charge roll for electrophotography'19965,393,629'Electrophotographic photoreceptor'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2015Patents assigned to FUJI XEROX CO LTD (20)· patent assignee history
1995–2006Based in Minami-ashigara, JP· patent location history
2000–2015Based in Kanagawa, JP· patent location history
2008Based in Miyagi, JP· patent location history
2012–2015Patents assigned to KOSEKI KAZUHIRO (8)· patent assignee history
2012Based in Tokyo, JP· patent location history
2013–2015Patents assigned to HASHIBA SHIGETO (5)· patent assignee history
2013–2015Patents assigned to IDE KENTA (5)· patent assignee history
2013–2015Patents assigned to SUGIURA SATOYA (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI XEROX CO LTD | 20 | 1995–2015 |
| KOSEKI KAZUHIROself | 8 | 2012–2015 |
| HASHIBA SHIGETO | 5 | 2013–2015 |
| IDE KENTA | 5 | 2013–2015 |
| SUGIURA SATOYA | 4 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 12 | 2000–2015 |
| Minami-ashigara, JP | 8 | 1995–2006 |
| Tokyo, JP | 1 | 2012 |
| Miyagi, JP | 1 | 2008 |