Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5210601 | Compression contacted semiconductor device and method for making of the same | Yoshio Yokota, Kazuo Watanuki | 1993-05-11 |
| 5162876 | Semiconductor device having high breakdown voltage | Akio Nakagawa | 1992-11-10 |
| 5156981 | Method of making a semiconductor device of a high withstand voltage | Yoshio Yokota, Kazuo Watanuki, Yoshinari Uetake, Kazunobu Nishitani, Tsuneo Ogura | 1992-10-20 |
| 5006921 | Power semiconductor switching apparatus with heat sinks | Masaru Ishizuka, Yasuyuki Yokono, Asako Matsuura, Yoshio Kamei, Hiromichi Ohashi +2 more | 1991-04-09 |
| 4996586 | Crimp-type semiconductor device having non-alloy structure | Hideo Matsuda, Takashi Fujiwara, Yoshio Yokota, Masami Iwasaki, Kazuo Watanuki | 1991-02-26 |