Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367181 | Microminiature vacuum tube | — | 1994-11-22 |
| 5324981 | Field effect transistor device with contact in groove | Michihiro Kobiki, Takahide Ishikawa | 1994-06-28 |
| 5313423 | Semiconductor memory device | Katsuyuki Sato, Miki Matsumoto, Sadayuki Ohkuma, Masahiro Ogata | 1994-05-17 |
| 5295087 | Method of simulating tire tread noise and simulator therefor | Masahiro Takayama | 1994-03-15 |
| 5289428 | Semiconductor memory device | Katsuyuki Sato, Miki Matsumoto, Sadayuki Ohkuma, Masahiro Ogata | 1994-02-22 |