Inventor
Hirotaka Akao
Inventor
Tokyo, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus25%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein20%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
B82YSpecific uses or applications of nanostructures10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
H10DInorganic electric semiconductor devices8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
C23CCoating metallic material3%
G06FElectric digital data processing3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
9,759,920'Light reflecting member, light beam extension device, image display device, and optical device'20178,976,453'Light reflecting member, light beam extension device, image display device, and optical device'20158,394,728'Film deposition method and manufacturing method of semiconductor device'20137,345,818'Screen, its manufacturing method and image display system'20087,335,539'Method for making thin-film semiconductor device'20087,273,774'Method for making thin-film semiconductor device'20077,242,523'Screen, its manufacturing method and image display system'20077,068,875'Optical switch and display unit'20067,063,890'Fine particle structure and optical medium'20067,035,008'Screen, its manufacturing method and image display system'20066,961,175'Screen, its manufacturing method and image display system'20056,895,138'Optical switch and display unit'20056,859,569'Information receiving/display apparatus and information receiving/display method'20056,754,408'Optical switch and display unit'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2017Patents assigned to SONY CORP (14)· patent assignee history
2004–2017Based in Tokyo, JP· patent location history
2013Patents assigned to AKAO HIROTAKA (1)· patent assignee history
2013Patents assigned to HARA MASAKI (1)· patent assignee history
2013Patents assigned to KAINO YURIKO (1)· patent assignee history
2013Patents assigned to KAMEI TAKAHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 14 | 2004–2017 |
| AKAO HIROTAKAself | 1 | 2013 |
| HARA MASAKI | 1 | 2013 |
| KAINO YURIKO | 1 | 2013 |
| KAMEI TAKAHIRO | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 14 | 2004–2017 |