Inventor
Kazuaki Tsutsumi
Inventor
Kyoto, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers43%
H01LSemiconductor devices26%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1022%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
PatentTitleYear
10,529,903Light emitting device and light emitting device package202010,497,831Semiconductor light emitting element and manufacturing method thereof201910,263,150Semiconductor light emitting device capable of increasing luminous efficiency under a low applied current20199,991,430Light emitting device and light emitting device package20189,876,137Semiconductor light emitting device20189,281,444'Light emitting device and light emitting device package'20168,686,433'Light emitting device and light emitting device package'20148,415,682'Light emitting semiconductor device having an improved outward luminosity efficiency and fabrication method for the light emitting semiconductor device'20138,222,655'Semiconductor light-emitting device and process for producing the same'20128,053,756'Nitride semiconductor light emitting element'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2020Patents assigned to ROHM CO LTD (10)· patent assignee history
2011–2020Based in Kyoto, JP· patent location history
2012–2014Patents assigned to TSUTSUMI KAZUAKI (3)· patent assignee history
2012–2013Patents assigned to SONOBE MASAYUKI (2)· patent assignee history
2013–2014Patents assigned to NAKANISHI YASUO (2)· patent assignee history
2014Patents assigned to FUJIMORI TAKAO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM CO LTD | 10 | 2011–2020 |
| TSUTSUMI KAZUAKIself | 3 | 2012–2014 |
| NAKANISHI YASUO | 2 | 2013–2014 |
| SONOBE MASAYUKI | 2 | 2012–2013 |
| FUJIMORI TAKAO | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 10 | 2011–2020 |