Inventor
Yoshimasa Tomiuchi
Inventor
Kanagawa, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography31%
H10KOrganic electric solid-state devices23%
G02BOptical elements, systems or apparatus15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
C07CAcyclic or carbocyclic compounds8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
6,653,778'Fluorescent color conversion film, fluorescent color conversion filter using the conversion film, and organic light-emitting device equipped with the conversion filter'20036,627,367'Electrophotographic photoconductor'20036,506,506'Fluorescent color conversion film, fluorescent color conversion filter using the same, and an organic light-emitting device equipped with this fluorescent color conversion filter'20036,358,652'Fluorescent conversion filter and organic light-emitting device equipped with the fluorescent conversion filter'20025,888,685'Electrophotographic photoconductor'19995,686,212'Photoconductor for electrophotography containing distyryl compound'19975,618,646'Electrophotographic photoreceptors with anti-oxidizing agents'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2003Patents assigned to FUJI ELECTRIC CO LTD (6)· patent assignee history
1997Based in Kawasaki, JP· patent location history
1999Based in Nagano, JP· patent location history
2002–2003Based in Kanagawa, JP· patent location history
2003Patents assigned to FUJI ELECTRIC IMAGING DEVICE (1)· patent assignee history
2003Based in Nogano, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI ELECTRIC CO LTD | 6 | 1997–2003 |
| FUJI ELECTRIC IMAGING DEVICE | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 3 | 2002–2003 |
| Kawasaki, JP | 2 | 1997 |
| Nogano, JP | 1 | 2003 |
| Nagano, JP | 1 | 1999 |