Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476539 | Gas purifying apparatus | Nagatoshi Suzuki, Manabu Higashi | 1995-12-19 |
| 5084078 | Exhaust gas purifier unit | Nagatoshi Suzuki | 1992-01-28 |
| 4510608 | Laser tube utilizing negative glow | Masahiro Otaka | 1985-04-09 |