Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4635272 | Laser discharge tube | Hiroshi Hijikata, Katsumi Tokudome, Michio Ishikawa, Yuji Hayashi | 1987-01-06 |
| 4420835 | Hollow cathode laser | Shuzo Hattori, Katsumi Tokudome, Michio Ishikawa, Yuji Hayashi | 1983-12-13 |
| 4257014 | Gas laser discharge tube using corrugated cathode | Shuzo Hattori, Katumi Tokudome, Michio Ishikawa, Yuzi Hayashi | 1981-03-17 |