Inventor
Hirokuni Asamizu
Inventor
Goleta, CA, US
Overview
Patents· 15 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 barriers19%
H01LSemiconductor devices17%
G02BOptical elements, systems or apparatus15%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1015%
H10DInorganic electric semiconductor devices13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
C23CCoating metallic material6%
C30BSingle-crystal growth6%
PatentTitleYear
10,876,220SiC epitaxial wafer, manufacturing apparatus of SiC epitaxial wafer, fabrication method of SiC epitaxial wafer, and semiconductor device202010,658,557Transparent light emitting device with light emitting diodes202010,644,213Filament LED light bulb202010,593,854Transparent light emitting device with light emitting diodes202010,570,529SiC epitaxial wafer, manufacturing apparatus of SiC epitaxial wafer, fabrication method of SiC epitaxial wafer, and semiconductor device202010,454,010Transparent light emitting diodes201910,323,335SiC epitaxial wafer, manufacturing apparatus of SiC epitaxial wafer, fabrication method of SiC epitaxial wafer, and semiconductor device201910,217,916Transparent light emitting diodes20198,835,959'Transparent light emitting diodes'20148,709,925'Method for conductivity control of (Al,In,Ga,B)N'20148,368,109'Light emitting diodes with a p-type surface bonded to a transparent submount to increase light extraction efficiency'20138,294,166'Transparent light emitting diodes'20128,193,079'Method for conductivity control of (Al,In,Ga,B)N'20128,124,991'Light emitting diodes with a P-type surface bonded to a transparent submount to increase light extraction efficiency'20126,365,969'Ohmic electrode, method of manufacturing the same and semiconductor device'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2020Based in Kyoto, JP· patent location history
2012–2020Patents assigned to UNIV CALIFORNIA (11)· patent assignee history
2012–2014Patents assigned to ASAMIZU HIROKUNI (5)· patent assignee history
2012–2014Patents assigned to DENBAARS STEVEN P (5)· patent assignee history
2012–2014Patents assigned to NAKAMURA SHUJI (5)· patent assignee history
2012–2014Patents assigned to SATO HITOSHI (4)· patent assignee history
2012–2020Based in Goleta, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV CALIFORNIA | 11 | 2012–2020 |
| ASAMIZU HIROKUNIself | 5 | 2012–2014 |
| DENBAARS STEVEN P | 5 | 2012–2014 |
| NAKAMURA SHUJI | 5 | 2012–2014 |
| SATO HITOSHI | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Goleta, California, US | 11 | 2012–2020 |
| Kyoto, JP | 4 | 2002–2020 |