Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223442 | Method of making a semiconductor device of a high withstand voltage | Mitsuhiko Kitagawa, Yoshio Yokota, Yoshinari Uetake, Kazunobu Nishitani, Tsuneo Ogura | 1993-06-29 |
| 5210601 | Compression contacted semiconductor device and method for making of the same | Mitsuhiko Kitagawa, Yoshio Yokota | 1993-05-11 |
| 5156981 | Method of making a semiconductor device of a high withstand voltage | Mitsuhiko Kitagawa, Yoshio Yokota, Yoshinari Uetake, Kazunobu Nishitani, Tsuneo Ogura | 1992-10-20 |
| 5028974 | Semiconductor switching device with anode shortening structure | Mituhiko Kitagawa, Tsuneo Ogura, Hiromichi Ohashi, Yoshinari Uetake, Yoshio Yokota | 1991-07-02 |
| 4996586 | Crimp-type semiconductor device having non-alloy structure | Hideo Matsuda, Takashi Fujiwara, Yoshio Yokota, Mitsuhiko Kitagawa, Masami Iwasaki | 1991-02-26 |