Inventor
Akimasa Yamada
Inventor
Ibaraki, JP
Overview
Patents· 9 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 barriers25%
C30BSingle-crystal growth17%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
C23CCoating metallic material4%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
8,304,804'Semiconductor device'20128,012,546'Method and apparatus for producing semiconductor films and related devices'20116,770,913'ZnOSSe compound semiconductor, integrated circuit using the semiconductor and method of manufacturing the semiconductor and the integrated circuit'20046,649,434'Method of manufacturing semiconductor device having ZnO based oxide semiconductor layer'20036,638,846'Method of growing p-type ZnO based oxide semiconductor layer and method of manufacturing semiconductor light emitting device'20036,566,162'Method of producing Cu (In, Ga) (Se, S) 2 semiconductor film'20036,531,408'Method for growing ZnO based oxide semiconductor layer and method for manufacturing semiconductor light emitting device using the same'20036,472,241'Radical cell device and method for manufacturing groups II-VI compound semiconductor device'20026,281,036'Method of fabricating film for solar cells'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001Patents assigned to AGENCY IND SCIENCE TECHN (1)· patent assignee history
2001–2012Based in Ibaraki, JP· patent location history
2002–2012Patents assigned to NAT INST OF ADVANCED IND SCIEN (8)· patent assignee history
2002–2003Patents assigned to ROHM CO LTD (4)· patent assignee history
2003–2011Based in Tsukuba, JP· patent location history
2012Patents assigned to ISHIZUKA SHOGO (1)· patent assignee history
2012Patents assigned to MATSUBARA KOJI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAT INST OF ADVANCED IND SCIEN | 8 | 2002–2012 |
| ROHM CO LTD | 4 | 2002–2003 |
| AGENCY IND SCIENCE TECHN | 1 | 2001 |
| ISHIZUKA SHOGO | 1 | 2012 |
| MATSUBARA KOJI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 6 | 2001–2012 |
| Tsukuba, JP | 3 | 2003–2011 |