Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10788161 | High pressure tank apparatus | Naoki Ogiwara, Takatsugu Koyama, Jin Nishio | 2020-09-29 |
| 10697590 | High pressure tank | — | 2020-06-30 |
| 10641433 | High pressure tank apparatus and method of leakage judgment of same | Naoki Ogiwara, Takatsugu Koyama | 2020-05-05 |