Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5141021 | Mass flow meter and mass flow controller | Masao Yamaguchi | 1992-08-25 |
| 5129418 | Mass flow controller with supplemental condition sensors | Masao Yamaguchi | 1992-07-14 |
| 4822469 | Electrical power supply for an electrolytic gas generator | Yoshiro Torii | 1989-04-18 |