Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5976904 | Method of manufacturing semiconductor device | Osamu Gotoh, Kohji Yamada, Hideaki Horikawa | 1999-11-02 |
| 5133028 | Optical wave-length filter and a driving method thereof | Hideaki Okayama, Toshimasa Ishida | 1992-07-21 |