Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8093598 | Power semiconductor device | Kenichi Ohtsuka, Naruhisa Miura, Masayuki Imaizumi | 2012-01-10 |
| 6847511 | Circuit protecting against electrostatic discharge | Takahiro Ohnakado | 2005-01-25 |
| 6417111 | Plasma processing apparatus | Kazuyasu Nishikawa, Hiroki Ootera | 2002-07-09 |
| 6244211 | Plasma processing apparatus | Kazuyasu Nishikawa, Hiroki Ootera | 2001-06-12 |
| 6020570 | Plasma processing apparatus | Masakazu Taki, Hiroki Ootera, Kazuyasu Nishikawa, Kenji Shintani | 2000-02-01 |
| 5733405 | Plasma processing apparatus | Masakazu Taki, Hiroki Ootera | 1998-03-31 |
| 5115135 | Ion source | Kouichi Ono | 1992-05-19 |
| 5108535 | Dry etching apparatus | Kouichi Ono | 1992-04-28 |
| 4893019 | Ion current generator system for thin film formation, ion implantation, etching and sputtering | Kouichi Ono, Shigeto Fujita | 1990-01-09 |
| 4716295 | Ion beam generator | Yoshihiro Ueda, Kouichi Ono, Shigeto Fujita | 1987-12-29 |
| 4710937 | Laser system | Kouichi Ono, Shigeto Fujita | 1987-12-01 |
| 4692627 | Ion beam generator | Yoshihiro Ueda, Kouichi Ono, Shigeto Fujita | 1987-09-08 |