Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491802 | Magnetic film forming system | Yasushi Ishikawa, Fumiomi Ueda, Hiroo Ohkawa, Takashi Hagiya, Hirosuke Yamaguchi | 2002-12-10 |
| 6290824 | Magnetic film forming system | Yasushi Ishikawa, Fumiomi Ueda, Hiroo Ohkawa, Takashi Hagiya, Hirosuke Yamaguchi | 2001-09-18 |
| 6104025 | Ion implanting apparatus capable of preventing discharge flaw production on reverse side surface of wafer | Katsumi Tokiguchi, Takayoshi Seki, Kensuke Amemiya, Yasuo Yamashita, Kazuo Mera +1 more | 2000-08-15 |
| 5945681 | Ion implanting apparatus capable of preventing discharge flaw production on reverse side surface of wafer | Katsumi Tokiguchi, Takayoshi Seki, Kensuke Amemiya, Yasuo Yamashita, Kazuo Mera +1 more | 1999-08-31 |
| 5064520 | Method and apparatus for forming a film | Kiyoshi Miyake, Yasunori Ohno, Masato Isogai, Yukio Nakagawa, Takayoshi Seki +3 more | 1991-11-12 |
| 4673482 | Sputtering apparatus | Eiji Setoyama, Youichi Ohshita | 1987-06-16 |
| 4618905 | DC circuit breaker | Shunji Tokuyama, Koji Suzuki | 1986-10-21 |
| 4578730 | High-voltage DC circuit breaker apparatus | Shunji Tokuyama, Kooji Suzuki, Kunio Hirasawa, Yoshio Yoshioka | 1986-03-25 |