Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11413654 | Ultrasonic vibration processing device | Osamu Ohnishi, Hiroshi Murakami | 2022-08-16 |
| 7763137 | Pressure shell, high-pressure tank provided with the pressure shell, manufacturing method of the high-pressure tank and manufacturing apparatus of the high-pressure tank | Toshiaki Ohta, Takao Sajima | 2010-07-27 |