Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5770514 | Method for manufacturing a vertical transistor having a trench gate | Noboru Matsuda, Yoshiro Baba, Masanobu Tsuchitani | 1998-06-23 |
| 5726088 | Method of manufacturing a semiconductor device having a buried insulated gate | Noboru Matsuda, Yoshiro Baba | 1998-03-10 |
| 5610422 | Semiconductor device having a buried insulated gate | Noboru Matsuda, Yoshiro Baba | 1997-03-11 |
| 5589421 | Method of manufacturing annealed films | Naoto Miyashita, Koichi Takahashi, Mitsutoshi Koyama, Shinji Nunotani, Yoshiro Baba | 1996-12-31 |
| 5578508 | Vertical power MOSFET and process of fabricating the same | Yoshiro Baba, Noboru Matsuda, Akihiko Osawa, Masanobu Tsuchitani | 1996-11-26 |
| 5321289 | Vertical MOSFET having trench covered with multilayer gate film | Yoshiro Baba, Noburo Matsuda, Shunichi Hiraki | 1994-06-14 |
| 5242845 | Method of production of vertical MOS transistor | Yoshiro Baba, Shunichi Hiraki, Akihiko Osawa | 1993-09-07 |
| 5126807 | Vertical MOS transistor and its production method | Yoshiro Baba, Shunichi Hiraki, Akihiko Osawa | 1992-06-30 |
| 5084408 | Method of making complete dielectric isolation structure in semiconductor integrated circuit | Yoshiro Baba, Yutaka Koshino, Akihiko Osawa | 1992-01-28 |
| 4984052 | Bonded substrate of semiconductor elements having a high withstand voltage | Yutaka Koshino, Yoshiro Baba, Akihiko Osawa | 1991-01-08 |