Inventor
Keisuke Homma
Inventor
Kanagawa, JP
Overview
Patents· 6 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 them30%
H04NPictorial communication, e.g. television25%
G02BOptical elements, systems or apparatus15%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light10%
H05BElectric heating10%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications10%
PatentTitleYear
10,574,948Projector, functional filter, and substitute glass plate202010,511,814Projector and optical unit201910,175,100Image display apparatus and control method20199,316,898'Projection apparatus'20169,271,376'Image display apparatus and control method'20168,814,365'Optical device and projection device using the optical device which reduce registration shift caused by heat'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2020Patents assigned to SONY CORP (6)· patent assignee history
2014Patents assigned to AIKOH YOSHIHISA (1)· patent assignee history
2014Patents assigned to HOMMA KEISUKE (1)· patent assignee history
2014Patents assigned to IWANE TETSUAKI (1)· patent assignee history
2014Patents assigned to YAMAMOTO HIDEKI (1)· patent assignee history
2014–2020Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 6 | 2014–2020 |
| AIKOH YOSHIHISA | 1 | 2014 |
| HOMMA KEISUKEself | 1 | 2014 |
| IWANE TETSUAKI | 1 | 2014 |
| YAMAMOTO HIDEKI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 6 | 2014–2020 |