Inventor
Kenji Samejima
Inventor
Tokyo, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television35%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them30%
G02BOptical elements, systems or apparatus25%
F21KNon-electric light sources using luminescence3%
F21SNon-portable lighting devices3%
F21VFunctional features or details of lighting devices or systems thereof3%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted3%
PatentTitleYear
9,599,316'Light source device using monochromatic light to excite stationary phosphor layers'20179,467,670'Projection display device'20169,310,033'Light source device and projection-type display apparatus'20168,345,190'Polarization optical system and projection-type liquid-crystal display device'20138,162,488'Projection display apparatus'20127,993,017'Projection display apparatus'20117,163,298'Lens device and projector having diaphragm mechanisms with substantially trapezoidal apertures'20077,114,815'Lens device and projector having diaphragm mechanisms with apertures having inwardly curved sides'20067,114,814'Projector having an illuminance detector'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'20065,864,374'Method and apparatus for image generation'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2017Patents assigned to MITSUBISHI ELECTRIC CORP (14)· patent assignee history
1999–2017Based in Tokyo, JP· patent location history
2012–2016Patents assigned to SAMEJIMA KENJI (3)· patent assignee history
2012–2016Patents assigned to YAMADA AKIHIRO (3)· patent assignee history
2012–2013Patents assigned to DAIJOGO AKIRA (2)· patent assignee history
2016Patents assigned to KIDA HIROSHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 14 | 1999–2017 |
| SAMEJIMA KENJIself | 3 | 2012–2016 |
| YAMADA AKIHIRO | 3 | 2012–2016 |
| DAIJOGO AKIRA | 2 | 2012–2013 |
| KIDA HIROSHI | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 14 | 1999–2017 |