Inventor
Shoji Amamiya
Inventor
Kawasaki, JP
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography93%
C07CAcyclic or carbocyclic compounds4%
C07DHeterocyclic compounds4%
PatentTitleYear
8,886,092'Electrophotographic apparatus and process cartridge'20147,813,675'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20107,534,534'Electrophotographic Photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus'20097,226,711'Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus'20077,186,489'Electrophotographic photosensitive member, electrophotographic photosensitive member manufacturing process, process cartridge, and electrophotographic apparatus'20076,436,597'ELECTROPHOTOGRAPHIC PHOTOSENSITVE MEMBER, PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS WHICH HAVE THE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER'20026,372,397'Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus'20026,289,190'Electrophotographic apparatus and process cartridge'20016,110,628'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20005,943,541'Image forming apparatus with extended length charge transporting layer'19995,923,925'Electrophotographic apparatus'19995,800,955'Electrophotographic photosensitive member having polycarbonate-containing surface layer'19985,729,801'Electrophotographic apparatus and process cartridge'19985,708,932'Charging system and electrophotography apparatus'19985,667,926'Electrophotographic apparatus and image forming process'19975,585,214'Electrophotographic photosensitive member having polycarbonate with end-cured glycidyl groups'19965,500,718'Electrophotographic photosensitive member and electrophotographic device using the same'19965,485,250'Electrophotographic apparatus with photosensitive member having surface layer of binder resin and fluoro and/or silicon compound particles'19965,455,135'Electrophotographic photosensitive member with overlayer and electrophotographic apparatus employing same'19955,422,210'Electrophotographic photosensitive member and electrophotographic apparatus, device unit and facsimile machine using the same'19955,357,320'Electrophotographic apparatus'19945,338,632'Electrophotographic photosensitive member and electrophotographic device using the same'19945,148,639'Surface roughening method for organic electrophotographic photosensitive member'19925,114,814'Photosensitive member for electrophotography, image forming method and electrophotographic apparatus using the same'19925,079,117'Electrophotographic photosensitive member with electrical conductor containing polyether-polyurethane layer'19924,920,022'Electrophotographic photosensitive member comprising aryl amine charge transport material'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2014Patents assigned to CANON KK (26)· patent assignee history
1990–1996Based in Sagamihara, JP· patent location history
1994–1999Based in Kawasaki, JP· patent location history
1999–2002Based in Numazu, JP· patent location history
2007–2010Based in Kashiwa, JP· patent location history
2014Patents assigned to AMAMIYA SHOJI (1)· patent assignee history
2014Patents assigned to IKEZUE TATSUYA (1)· patent assignee history
2014Patents assigned to MITSUI TAKAHIRO (1)· patent assignee history
2014Patents assigned to OGAWA HIDEKI (1)· patent assignee history
2014Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 26 | 1990–2014 |
| AMAMIYA SHOJIself | 1 | 2014 |
| IKEZUE TATSUYA | 1 | 2014 |
| MITSUI TAKAHIRO | 1 | 2014 |
| OGAWA HIDEKI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 10 | 1994–1999 |
| Sagamihara, JP | 6 | 1990–1996 |
| Numazu, JP | 5 | 1999–2002 |
| Kashiwa, JP | 4 | 2007–2010 |
| Yokohama, JP | 1 | 2014 |