Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620206 | Semiconductor device | Kimihiro Ohta, Tadashi Nakagawa, Naoyuki Kawai, Takeshi Kojima | 1986-10-28 |
| 4236165 | Planar semiconductor device | Kimihiro Ohta, Shoei Kataoka | 1980-11-25 |
| 4182964 | Negative resistance element circuit combinations | Shoei Kataoka, Hiroshi Tateno, Hiroyuki Fujisada, Hideo Yamada, Yasuo Komamiya | 1980-01-08 |