Inventor
Kunihiko Sekido
Inventor
Suntou-gun, JP
Overview
Patents· 51 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography91%
C07DHeterocyclic compounds6%
G03CPhotosensitive materials for photographic purposes2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
11,061,341Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus202110,754,267Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus202010,656,542Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive member202010,372,050Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus201910,095,136Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus201810,065,969Method for producing carboxylic acid anhydride, method for producing carboxylic imide, and method for manufacturing electrophotographic photosensitive member20189,921,498'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20189,864,285'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20189,851,648Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus20179,811,011'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20179,772,568'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20179,760,030'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20179,751,880'Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound'20179,500,967'Electrophotographic photosensitive member, method for producing the same, process cartridge, and electrophotographic apparatus'20169,494,880'Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20169,477,163'Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound'20169,442,401'Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound'20169,383,663'Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20169,335,645'Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus'20169,280,072'Process for producing electrophotographic photosensitive member'20169,274,443'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20169,207,550'Process for producing electrophotographic photosensitive member'20159,141,008'Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound'20159,069,267'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20159,063,505'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20159,029,054'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20159,012,112'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20158,993,205'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20158,940,465'Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound'20158,927,184'Method of producing electrophotographic photosensitive member'20158,795,936'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20148,632,931'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20148,546,050'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20138,524,430'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20138,524,431'Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus'20138,524,429'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20138,507,162'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20138,470,504'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20138,465,889'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20138,435,706'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20138,343,699'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20137,745,083'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20107,727,691'Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus'20107,592,113'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20097,534,537'Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus'20097,396,622'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20087,141,341'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20067,129,012'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20066,228,546'Polymer, electrophotographic photosensitive member containing the polymer, process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member'20015,875,375'Electrophotographic apparatus and process cartridge'19995,604,061'Electrophotographic photosensitive member, process cartridge including same and electrophotographic apparatus'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2021Patents assigned to CANON KK (49)· patent assignee history
1997Based in Yokohama, JP· patent location history
1999–2001Based in Susono, JP· patent location history
2006–2014Based in Numazu, JP· patent location history
2010Based in Shizuoka, JP· patent location history
2013–2015Patents assigned to SEKIDO KUNIHIKO (10)· patent assignee history
2013–2014Patents assigned to NAGASAKA HIDEAKI (9)· patent assignee history
2013–2015Patents assigned to SEKIYA MICHIYO (9)· patent assignee history
2013–2014Patents assigned to TAKAGI SHINJI (9)· patent assignee history
2014–2021Based in Suntou-gun, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 49 | 1997–2021 |
| SEKIDO KUNIHIKOself | 10 | 2013–2015 |
| NAGASAKA HIDEAKI | 9 | 2013–2014 |
| SEKIYA MICHIYO | 9 | 2013–2015 |
| TAKAGI SHINJI | 9 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Suntou-gun, JP | 31 | 2014–2021 |
| Numazu, JP | 16 | 2006–2014 |
| Susono, JP | 2 | 1999–2001 |
| Shizuoka, JP | 1 | 2010 |
| Yokohama, JP | 1 | 1997 |