Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4257014 | Gas laser discharge tube using corrugated cathode | Shuzo Hattori, Noboru Kamide, Michio Ishikawa, Yuzi Hayashi | 1981-03-17 |
| 4232274 | Metal vapor laser system | Michio Ishikawa, Shuzo Hattori | 1980-11-04 |