Inventor
Seiji Inatsugu
Inventor
Santa Monica, CA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus23%
B44FSpecial designs or pictures8%
F21KNon-electric light sources using luminescence8%
F21VFunctional features or details of lighting devices or systems thereof8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
G09FDisplaying8%
G09GArrangements or circuits for control of indicating devices using static means to present variable information8%
H04NPictorial communication, e.g. television8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
9,767,719'Billboard or other large displays having artwork illuminated with an LED backlight array'20177,976,204'Illumination system and method for recycling light to increase the brightness of the light source'20117,357,558'LCD display backlight system with improved color mixing and efficiency'20086,969,177'Polarization recovery system using redirection'20054,757,431'Off-axis application of concave spherical reflectors as condensing and collecting optics'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Patents assigned to LASER MEDIA (1)· patent assignee history
1988–2017Based in Santa Monica, CA, US· patent location history
2005–2017Patents assigned to WAVIEN INC (4)· patent assignee history
2017Patents assigned to METROMEDIA CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WAVIEN INC | 4 | 2005–2017 |
| LASER MEDIA | 1 | 1988 |
| METROMEDIA CO | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Santa Monica, California, US | 5 | 1988–2017 |