Inventor
Fuminao Matsumoto
Inventor
Hino, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein57%
G02BOptical elements, systems or apparatus29%
G09GArrangements or circuits for control of indicating devices using static means to present variable information14%
PatentTitleYear
6,414,732'Color filter layer and reflection type multicolor for liquid crystal display device'20026,068,953'Color filter for liquid crystal display device'20006,061,042'Liquid crystal display device'20005,969,780'Plastic color filter manufacturing method and color filter manufactured in the manufacturing method'19995,831,695'Active matrix liquid crystal display'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2002Patents assigned to RICOH KK (5)· patent assignee history
1998–2000Based in Hino, JP· patent location history
1999–2000Based in Tokyo, JP· patent location history
2002Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 5 | 1998–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hino, JP | 2 | 1998–2000 |
| Tokyo, JP | 2 | 1999–2000 |
| Yokohama, JP | 1 | 2002 |