Inventor
Kimihiro Muraoka
Inventor
Kanagawa, 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 devices82%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
5,682,044'Reverse conducting thyristor with a planar-gate, buried-gate, or recessed-gate structure'19975,665,987'Insulated gate static induction thyristor with a split gate type shorted cathode structure'19975,545,905'Static induction semiconductor device with a static induction schottky shorted structure'19965,461,242'Insulated gate static induction thyristor with a split gate type shorted cathode structure'19955,418,376'Static induction semiconductor device with a distributed main electrode structure and static induction semiconductor device with a static induction main electrode shorted structure'19955,352,910'Semiconductor device with a buffer structure'19945,324,966'MOS-controlled thyristor'19944,654,679'Static induction thyristor with stepped-doping gate region'19874,528,745'Method for the formation of buried gates of a semiconductor device utilizing etch and refill techniques'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1997Patents assigned to TOYO ELECTRIC MFG CO LTD (8)· patent assignee history
1985–1987Based in Yokohama, JP· patent location history
1994Patents assigned to TAKASHIGE TAMAMUSHI (1)· patent assignee history
1994Patents assigned to TOKYO DENKI SEIZO KABUSHIKI KA (1)· patent assignee history
1994–1997Based in Kanagawa, JP· patent location history
1996–1997Patents assigned to TAMAMUSHI TAKASHIGE (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYO ELECTRIC MFG CO LTD | 8 | 1985–1997 |
| TAMAMUSHI TAKASHIGE | 3 | 1996–1997 |
| TAKASHIGE TAMAMUSHI | 1 | 1994 |
| TOKYO DENKI SEIZO KABUSHIKI KA | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 7 | 1994–1997 |
| Yokohama, JP | 2 | 1985–1987 |