Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308467 | Electrically regenerable demineralizing apparatus | Takanobu Sugo, Isao Ishigaki, Kunio Fujiwara, Hideaki Sekiguchi, Hideo Kawazu | 1994-05-03 |
| 5302538 | Method of manufacturing field effect transistor | Eiichi Ishikawa, Shinya Watanabe | 1994-04-12 |
| 5299049 | Beam shifting device | Masami Yoneda | 1994-03-29 |