Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6163050 | Semiconductor device having insulation film whose breakdown voltage is improved and its manufacturing method | Kiyoshi Hisatomi, Yuuichi Mikata, Sakae Funo | 2000-12-19 |
| 5714399 | Semiconductor device having insulation film whose breakdown voltage is improved and its manufacturing method | Kiyoshi Hisatomi, Yuuichi Mikata, Sakae Funo | 1998-02-03 |
| 5702529 | Method of making doped semiconductor film having uniform impurity concentration on semiconductor substrate and apparatus for making the same | Yuuichi Mikata, Katsuya Okumura | 1997-12-30 |
| 5612236 | Method of forming a silicon semiconductor device using doping during deposition of polysilicon | Yuuichi Mikata, Toshiro Usami | 1997-03-18 |
| 5250463 | Method of making doped semiconductor film having uniform impurity concentration on semiconductor substrate | Yuuichi Mikata, Katsuya Okumura | 1993-10-05 |
| 5237196 | Semiconductor device and method for manufacturing the same | Yuuichi Mikata | 1993-08-17 |