Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7358141 | Semiconductor device and method for fabricating the same | Hiroshi Inagawa, Kentaro Ooishi | 2008-04-15 |
| 7189621 | Semiconductor device and method for fabricating the same | Hiroshi Inagawa, Kentaro Ooishi | 2007-03-13 |
| 7172941 | Insulated gate type semiconductor device and method for fabricating the same | Hiroshi Inagawa, Kentaro Oishi | 2007-02-06 |
| 7151035 | Semiconductor device and manufacturing method thereof | Makoto KOSHIMIZU, Yasuaki Kagotoshi | 2006-12-19 |
| 7098506 | Semiconductor device and method for fabricating the same | Hiroshi Inagawa, Kentaro Ooishi | 2006-08-29 |
| 6861703 | Semiconductor device and method for fabricating the same | Hiroshi Inagawa, Kentaro Ooishi | 2005-03-01 |
| 6858896 | Insulated gate type semiconductor device and method for fabricating the same | Hiroshi Inagawa, Kentaro Oishi | 2005-02-22 |
| 6818949 | Semiconductor device and method for fabricating the same | Hiroshi Inagawa, Kentaro Ooishi | 2004-11-16 |
| 6706604 | Method of manufacturing a trench MOS gate device | Hiroshi Inagawa, Kentaro Ooishi | 2004-03-16 |
| 6638850 | Method of fabricating a semiconductor device having a trench-gate structure | Hiroshi Inagawa, Kentaro Ooishi | 2003-10-28 |
| 6455378 | Method of manufacturing a trench gate power transistor with a thick bottom insulator | Hiroshi Inagawa, Kentaro Oishi | 2002-09-24 |
| 4357512 | Apparatus for continuous manufacture of butt-welded pipe | Koji Nishimoto, Kenji Higuchi, Toshiyuki Oki | 1982-11-02 |