Inventor
Hitoshi Kikui
Inventor
Osaka, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus35%
Y10TTechnical subjects covered by former us classification29%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form12%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
PatentTitleYear
5,061,042'Phase retarder and liquid crystal display using the same'19914,953,952'Color liquid crystal displaying panels'19904,895,677'Light-polarizing film'19904,859,039'Light-polarizing film'19894,803,014'Light-polarizing film'19894,626,304'Method of making a light-polarizing plate'19864,564,545'Light-polarizing plate having excellent durability and production of the same'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1991Patents assigned to SUMITOMO CHEMICAL CO (7)· patent assignee history
1986–1991Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO CHEMICAL CO | 7 | 1986–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 7 | 1986–1991 |