Inventor
Rieko Sekura
Inventor
Tokyo, JP
Overview
Patents· 4 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 therein80%
G06VImage or video recognition or understanding20%
PatentTitleYear
5,745,205'Method of introducing slightly titlting homeotropic orientation into liquid crystal, liquid crystal electro-optical device, and liquid crystal light valve'19985,623,352'Ferroelectric liquid crystal spatial light modulator with two threshold characteristics'19975,420,709'Liquid crystal spatial light modulator for edge detection employing diffusion in the photoconductive layer to enlarge image'19955,221,980'Method for driving ferroelectric liquid crystal light valve of light writing type'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1998Patents assigned to SEIKO INSTR INC (4)· patent assignee history
1993–1997Based in Tokyo, JP· patent location history
1998Based in Chiba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO INSTR INC | 4 | 1993–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 1993–1997 |
| Chiba, JP | 1 | 1998 |