Inventor
Hajime Soga
Inventor
Toyota, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices50%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1025%
H10NElectric solid-state devices not otherwise provided for8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
7,354,829'Trench-gate transistor with ono gate dielectric and fabrication process therefor'20086,521,538'Method of forming a trench with a rounded bottom in a semiconductor device'20036,482,701'Integrated gate bipolar transistor and method of manufacturing the same'20026,469,345'Semiconductor device and method for manufacturing the same'20026,274,452'Semiconductor device having multilayer interconnection structure and method for manufacturing the same'20016,165,862'Method of producing a thin film resistor'20006,090,718'Dry etching method for semiconductor substrate'20005,871,659'Dry etching process for semiconductor'19994,912,451'Heterojunction magnetic field sensor'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to AGENCY IND SCIENCE TECHN (1)· patent assignee history
1990Patents assigned to NIPPON SOKEN (1)· patent assignee history
1990Based in Tsuchiura, JP· patent location history
1999Patents assigned to NIPPON DENSO CO (1)· patent assignee history
1999–2008Based in Toyota, JP· patent location history
2000–2008Patents assigned to DENSO CORP (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DENSO CORP | 7 | 2000–2008 |
| AGENCY IND SCIENCE TECHN | 1 | 1990 |
| NIPPON DENSO CO | 1 | 1999 |
| NIPPON SOKEN | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toyota, JP | 8 | 1999–2008 |
| Tsuchiura, JP | 1 | 1990 |