Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983526 | Method of measuring and controlling ozone concentration | Shigeru Suga | 1991-01-08 |
| 4975047 | Oven provided with oxygen concentration controls | Shigeru Suga | 1990-12-04 |
| 4954693 | Ventilation regulated hot air supplied constant temperature oven | Shigeru Suga | 1990-09-04 |
| 4841779 | Tension tester | Yoshinobu Ohashi, Shohei Nakayama, Akira Yamada | 1989-06-27 |