Inventor
Haruo Sunakawa
Inventor
Tokyo, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1032%
C30BSingle-crystal growth23%
H10HInorganic light-emitting semiconductor devices having potential barriers14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%
B82YSpecific uses or applications of nanostructures5%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light5%
H10DInorganic electric semiconductor devices5%
PatentTitleYear
6,809,351'Group III-V compound semiconductor crystal structure and method of epitaxial growth of the same as well as semiconductor device including the same'20046,555,845'Method for manufacturing group III-V compound semiconductors'20036,348,096'Method for manufacturing group III-V compound semiconductors'20026,252,261'GaN crystal film, a group III element nitride semiconductor wafer and a manufacturing process therefor'20016,096,130'Method of crystal growth of a GaN layer over a GaAs substrate'20005,843,227'Crystal growth method for gallium nitride films'19985,825,053'Heterostructure III-V nitride semiconductor device including InP substrate'19984,859,627'Group VI doping of III-V semiconductors during ALE'19894,845,049'Doping III-V compound semiconductor devices with group VI monolayers using ALE'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2004Patents assigned to NEC CORP (9)· patent assignee history
1989–2004Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 9 | 1989–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 9 | 1989–2004 |