Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6514425 | Dry etching gas | Akira Sekiya, Tetsuya Takagaki, Shinsuke Morikawa, Shunichi Yamashita, Tsuyoshi Takaichi +3 more | 2003-02-04 |
| 4996586 | Crimp-type semiconductor device having non-alloy structure | Hideo Matsuda, Takashi Fujiwara, Yoshio Yokota, Mitsuhiko Kitagawa, Kazuo Watanuki | 1991-02-26 |
| 4958215 | Press-contact flat type semiconductor device | Shinjiro Kojima, Hideo Matsuda, Yoshinari Uetake | 1990-09-18 |
| 4694322 | Press-packed semiconductor device | Hiroshi Sakurai | 1987-09-15 |
| 4665831 | Electric power supplying system for a continuous transit system by magnet (CTM) | Kazumi Matsui, Minoru Otobe, Takashi Takasue, Masaki Oda | 1987-05-19 |
| 4402004 | High current press pack semiconductor device having a mesa structure | — | 1983-08-30 |
| 4289227 | Belt conveyer transportation system utilizing magnetic attraction | Kazumi Matsui, Takashi Takasue | 1981-09-15 |
| 4278164 | Belt conveyor transportation system utilizing magnetic attraction | Kazumi Matsui, Takashi Takasue | 1981-07-14 |
| 4246596 | High current press pack semiconductor device having a mesa structure | — | 1981-01-20 |
| 4202273 | Travelling object control system utilizing power control | Kazumi Matsui, Takashi Takasue | 1980-05-13 |
| 4197934 | Belt conveyor transportation system utilizing magnetic attraction | Kazumi Matsui, Takashi Takasue | 1980-04-15 |