Inventor
Satoru Nagarekawa
Inventor
Matsumoto, JP
Overview
Patents· 7 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 them60%
H04NPictorial communication, e.g. television20%
F21VFunctional features or details of lighting devices or systems thereof10%
LOC1610%
PatentTitleYear
9,841,663'Light source apparatus and projector that selectively opens and closes openings based on posture'2017D0788837'Lamp unit for a projector'20179,420,244'Reflective polarizing plate apparatus, electro-optic apparatus, optical apparatus, and projector'20168,523,365'Light source device and projector'20138,157,386'Projector'20128,113,664'Projector'20127,497,594'Illuminating device and projector'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2017Patents assigned to SEIKO EPSON CORP (7)· patent assignee history
2009–2017Based in Matsumoto, JP· patent location history
2012–2016Patents assigned to NAGAREKAWA SATORU (4)· patent assignee history
2012Patents assigned to MINEFUJI NOBUTAKA (2)· patent assignee history
2012Patents assigned to MORIKUNI EIJI (2)· patent assignee history
2012Patents assigned to OKOSHI MASAYUKI (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO EPSON CORP | 7 | 2009–2017 |
| NAGAREKAWA SATORUself | 4 | 2012–2016 |
| MINEFUJI NOBUTAKA | 2 | 2012 |
| MORIKUNI EIJI | 2 | 2012 |
| OKOSHI MASAYUKI | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Matsumoto, JP | 7 | 2009–2017 |