Inventor
Kathryn Walsh
Inventor
Mansfield, GB
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus58%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein42%
PatentTitleYear
6,624,872'Optical radiation filter'20036,339,464'Filter and method of making an optical device'20026,175,400'Broadband cholesteric optical device having a broadband cholesteric layer, a positive C-plate and a negative C-plate'20016,061,108'Broadband cholesteric polarizer and an optical device employing the same'20005,828,471'Illumination system and display device'19985,822,029'Illumination system and display device'19985,812,233'Polarization sensitive devices and methods of manufacture thereof'19985,671,034'Polarisation dependent refractive device exhibiting independtly varying first and second indices of refraction and methods of manufacture thereof'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2003Patents assigned to SHARP KK (8)· patent assignee history
1997–1998Based in Reading, GB· patent location history
2000–2003Based in Mansfield, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 8 | 1997–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mansfield, GB | 4 | 2000–2003 |
| Reading, GB | 4 | 1997–1998 |