Inventor
Gillian Margaret Davis
Inventor
Huntingdon, GB
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus40%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein40%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for5%
F21VFunctional features or details of lighting devices or systems thereof5%
H04MTelephonic communication5%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers5%
PatentTitleYear
6,624,872'Optical radiation filter'20036,356,674'Electrically controllable grating, and optical elements having an electrically controllable grating'20026,345,102'Vehicle loudspeakers'20026,339,464'Filter and method of making an optical device'20026,278,790'Electroacoustic transducers comprising vibrating panels'20016,175,400'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'19985,808,709'Illuminator with polarization separating anisotropic layer between light guide and reflector'19985,671,034'Polarisation dependent refractive device exhibiting independtly varying first and second indices of refraction and methods of manufacture thereof'19975,640,267'Optical apparatus'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2003Patents assigned to SHARP KK (11)· patent assignee history
1997–2002Based in Oxfordshire, GB· patent location history
1998Based in Cambridge, GB· patent location history
2000–2003Based in Huntingdon, GB· patent location history
2001Patents assigned to NCT GROUP INC (1)· patent assignee history
2002Patents assigned to NEW TRANSDUCERS LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 11 | 1997–2003 |
| NCT GROUP INC | 1 | 2001 |
| NEW TRANSDUCERS LTD | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Huntingdon, GB | 6 | 2000–2003 |
| Oxfordshire, GB | 6 | 1997–2002 |
| Cambridge, GB | 1 | 1998 |