Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224677 | Gas recovery unit utilizing dual use of gas | Shinji Tomita | 2001-05-01 |
| 5958138 | Gas recovery unit | Shinji Tomita | 1999-09-28 |
| 5937918 | Gas filling method and facility | Mitsuhide Takeharada | 1999-08-17 |
| 5803795 | Method of treating inner surface of high-pressure gas vessel | — | 1998-09-08 |