Inventor
Ryoji Yashiro
Inventor
Yamanashi, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography40%
C07CAcyclic or carbocyclic compounds20%
C07DHeterocyclic compounds10%
C09DCoating compositions, e.g. paints, varnishes or lacquers10%
C09KMaterials for miscellaneous applications, not provided for elsewhere10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
7,241,513'Fluorene compound and organic luminescent device using the same'20077,232,211'Inkjet recording ink, inkjet recording method, ink cartridge, and inkjet recording system'20075,262,261'Photosensitive member for electrophotography'19935,098,809'Electrophotographic photosensitive member containing a substituted fluorine compound'19925,079,118'Photosensitive member for electrophotography with substituted pyrene'19925,049,464'Photosensitive member for electrophotography'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2007Patents assigned to CANON KK (5)· patent assignee history
1991–1993Based in Yamanashi, JP· patent location history
1992Based in Fuchu, JP· patent location history
2007Patents assigned to CANON FINETECH INC (1)· patent assignee history
2007Based in Fukui, JP· patent location history
2007Based in Mitsukaido, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 5 | 1991–2007 |
| CANON FINETECH INC | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yamanashi, JP | 3 | 1991–1993 |
| Fukui, JP | 1 | 2007 |
| Mitsukaido, JP | 1 | 2007 |
| Fuchu, JP | 1 | 1992 |