Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643913 | Process for producing solar cells | Masaaki Okunaka, Mitsuo Nakatani, Haruhiko Matsuyama, Hitoshi Yokono, Tokio Isogai +3 more | 1987-02-17 |
| 4486232 | Electrode material for semi-conductor devices | Mitsuo Nakatani, Haruhiko Matsuyama, Masaaki Okunaka, Hitoshi Yokono, Tokio Isogai +1 more | 1984-12-04 |