Inventor
Motoo Takahashi
Inventor
Tokyo, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them38%
H04NPictorial communication, e.g. television35%
G02BOptical elements, systems or apparatus24%
F21VFunctional features or details of lighting devices or systems thereof3%
PatentTitleYear
8,684,542'Projection display having improved light shielding bodies for adjusting the amount of light applied to a light valve therein'20148,162,488'Projection display apparatus'20128,052,285'Projection display having improved light shielding bodies for adjusting the amount of light applied to a light valve therein'20117,993,017'Projection display apparatus'20117,661,829'Projection display apparatus'20107,163,298'Lens device and projector having diaphragm mechanisms with substantially trapezoidal apertures'20077,114,814'Projector having an illuminance detector'20067,114,815'Lens device and projector having diaphragm mechanisms with apertures having inwardly curved sides'20067,111,947'Lens device and projector having diaphragm mechanisms with substantially square apertures'20067,111,946'Lens device and projector having diaphragm mechanisms with substantially triangular apertures'20067,104,655'Projector having an image signal controller'20067,021,772'Projection lens device and projector'20066,443,575'Projector with inlet fan, outlet fan and ventilation duct structure for cooling an optical system'20026,227,686'Light source apparatus'20014,921,330'Back projection screen in a video projector'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2014Patents assigned to MITSUBISHI ELECTRIC CORP (15)· patent assignee history
1990Based in Nagaokakyo, JP· patent location history
2001–2014Based in Tokyo, JP· patent location history
2012–2014Patents assigned to DAIJOGO AKIRA (2)· patent assignee history
2012–2014Patents assigned to TAKAHASHI MOTOO (2)· patent assignee history
2012–2014Patents assigned to YAMADA AKIHIRO (2)· patent assignee history
2014Patents assigned to BESSHO TOMOHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 15 | 1990–2014 |
| DAIJOGO AKIRA | 2 | 2012–2014 |
| TAKAHASHI MOTOOself | 2 | 2012–2014 |
| YAMADA AKIHIRO | 2 | 2012–2014 |
| BESSHO TOMOHIRO | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 14 | 2001–2014 |
| Nagaokakyo, JP | 1 | 1990 |