Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D464618 | Power converter | Masaru Ando, Tetsujiro Tsunoda, Yoshikatsu Nagashima, Nobuhiro Shingai | 2002-10-22 |
| 5990501 | Multichip press-contact type semiconductor device | Michiaki Hiyoshi | 1999-11-23 |
| 5726466 | Press pack power semiconductor device incorporating a plurality of semiconductor elements | — | 1998-03-10 |
| 5223442 | Method of making a semiconductor device of a high withstand voltage | Mitsuhiko Kitagawa, Yoshio Yokota, Kazuo Watanuki, Yoshinari Uetake, Tsuneo Ogura | 1993-06-29 |
| 5156981 | Method of making a semiconductor device of a high withstand voltage | Mitsuhiko Kitagawa, Yoshio Yokota, Kazuo Watanuki, Yoshinari Uetake, Tsuneo Ogura | 1992-10-20 |