Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10544987 | Gas liquefaction plant | Naoyuki Takezawa, Shigeru Akiyama | 2020-01-28 |
| 10215486 | Liquefied gas production facility | Keiji Akiyama, Naoyuki Takezawa, Takahiro Kitabayashi, Masahito Seiwa, Yuzuru Kakutani +2 more | 2019-02-26 |