Inventor
Haiji Yuan
Inventor
Cupertino, CA, US
Overview
Patents· 13 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 therein73%
G09GArrangements or circuits for control of indicating devices using static means to present variable information13%
G02BOptical elements, systems or apparatus7%
H04NPictorial communication, e.g. television7%
PatentTitleYear
7,061,559'Stacked color liquid crystal display device'20066,765,635'Apparatus and method for achromatic liquid crystal electro-optic modulation'20046,747,774'Apparatus and method for controlling optical gain profiles'20046,654,080'Stacked color liquid crystal display device'20036,614,572'Apparatus and method for controlling optical gain profiles in a temperature independent manner'20036,377,321'Stacked color liquid crystal display device'20026,317,189'High-efficiency reflective liquid crystal display'20016,166,800'Solid-state image capture system including H-PDLC color separation element'20006,034,756'LCDs with wide viewing angle'20005,644,330'Driving method for polymer stabilized and polymer free liquid crystal displays'19975,636,044'Segmented polymer stabilized and polymer free cholesteric texture liquid crystal displays and driving method for same'19975,570,216'Bistable cholesteric liquid crystal displays with very high contrast and excellent mechanical stability'19965,493,430'Color, reflective liquid crystal displays'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996Patents assigned to KENT DISPLAY SYSTEMS INC (1)· patent assignee history
1996Patents assigned to KENT DISPLAY SYSTEMS L P (1)· patent assignee history
1996–1997Based in Stow, OH, US· patent location history
1997–2006Patents assigned to KENT DISPLAYS INC (5)· patent assignee history
2000–2001Patents assigned to XEROX CORP (3)· patent assignee history
2000–2006Based in Cupertino, CA, US· patent location history
2003–2004Patents assigned to COADNA PHOTONICS INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KENT DISPLAYS INC | 5 | 1997–2006 |
| COADNA PHOTONICS INC | 3 | 2003–2004 |
| XEROX CORP | 3 | 2000–2001 |
| KENT DISPLAY SYSTEMS INC | 1 | 1996 |
| KENT DISPLAY SYSTEMS L P | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cupertino, California, US | 9 | 2000–2006 |
| Stow, OH, US | 4 | 1996–1997 |