Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890294 | Plasma apparatus | Junichi Nishimae, Kenji Yoshizawa, Masakazu Taki, Tadashi Yanagi, Akihiko Iwata | 1989-12-26 |
| 4815091 | Metal vapor laser | Kazuhiko Hara, Shigeo Ueguri, Akihiko Iwata, Tatsuki Okamoto | 1989-03-21 |