Inventor
Tatsushi Hamaguchi
Inventor
Kanagawa, JP
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light38%
H01LSemiconductor devices14%
H10HInorganic light-emitting semiconductor devices having potential barriers13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
H10DInorganic electric semiconductor devices9%
G02BOptical elements, systems or apparatus5%
H04NPictorial communication, e.g. television5%
B82YSpecific uses or applications of nanostructures4%
PatentTitleYear
11,011,888Light-emitting device and light-emitting apparatus202110,873,174Light-emitting element and method of manufacturing the same202010,826,275Surface emitting laser element202010,700,497Optical semiconductor device202010,637,209Light emitting element202010,546,975Semiconductor optical device202010,541,513Light emitting element and method of manufacturing the same202010,256,609Surface light-emitting laser201910,199,800Light emitting element201910,199,799Light emitting element201910,170,667Semiconductor optical device201910,141,721Light-emitting element and manufacturing method thereof201810,109,984Optical semiconductor device20189,917,228'Semiconductor optical device'20189,893,492'Light emitting element and method of manufacturing the same'20189,882,352'Light emitting element'20189,595,810'Light emitting element having multiple surface areas of a semiconductor layer and method of producing same'20179,515,455'Method of manufacturing light emitting element'20169,425,348'Group III nitride semiconductor device, and method for fabricating group III nitride semiconductor device'20169,407,067'Light emitting element and method of manufacturing the same'20169,379,523'Group III nitride semiconductor device, p-type contact structure, and method for fabricating group III nitride semiconductor device'20169,252,566'Method of manufacturing light emitting element'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016–2021Patents assigned to SONY CORP (22)· patent assignee history
2016Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (2)· patent assignee history
2016Patents assigned to SUMMITOMO ELECTRIC IND LTD (1)· patent assignee history
2016–2021Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 22 | 2016–2021 |
| SUMITOMO ELECTRIC INDUSTRIES | 2 | 2016 |
| SUMMITOMO ELECTRIC IND LTD | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 22 | 2016–2021 |