Inventor
Yoshihiko Tsuchida
Inventor
Tsukuba, 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 barriers33%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
C30BSingle-crystal growth13%
C23CCoating metallic material8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B82YSpecific uses or applications of nanostructures4%
F21SNon-portable lighting devices4%
G02BOptical elements, systems or apparatus4%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%
H10KOrganic electric solid-state devices4%
PatentTitleYear
8,691,674'Method for producing group 3-5 nitride semiconductor and method for producing light-emitting device'20148,053,811'Group 3-5 nitride semiconductor multilayer substrate, method for manufacturing group 3-5 nitride semiconductor free-standing subtrate, and semiconductor element'20117,956,366'Monolithic light emitting device and driving method therefor'20117,754,515'Compound semiconductor and method for producing same'20107,459,326'Method for producing and epitaxial substrate for compound semiconductor light-emitting device'20087,229,493'3-5 group compound semiconductor, process for producing the same, and compound semiconductor element using the same'20077,205,577'Group 3-5 compound semiconductor and light emitting diode'20077,098,484'Epitaxial substrate for compound semiconductor light-emitting device, method for producing the same and light-emitting device'20066,875,273'Method and system for manufacturing III-V Group compound semiconductor and III-V Group compound semiconductor'20056,806,502'3-5 Group compound semiconductor and light emitting device'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2007Patents assigned to SUMITOMO CHEMICAL COMPANY LIMT (2)· patent assignee history
2004–2014Based in Tsukuba, JP· patent location history
2005–2014Patents assigned to SUMITOMO CHEMICAL CO (8)· patent assignee history
2011Patents assigned to NAT UNIV CORP MIE UNIV (1)· patent assignee history
2014Patents assigned to TSUCHIDA YOSHIHIKO (1)· patent assignee history
2014Patents assigned to UEDA KAZUMASA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO CHEMICAL CO | 8 | 2005–2014 |
| SUMITOMO CHEMICAL COMPANY LIMT | 2 | 2004–2007 |
| NAT UNIV CORP MIE UNIV | 1 | 2011 |
| TSUCHIDA YOSHIHIKOself | 1 | 2014 |
| UEDA KAZUMASA | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tsukuba, JP | 10 | 2004–2014 |