Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10562082 | Method for contamination prevention in fluid storage tank requiring temperature control, and device therefor | Kohhei Ohkami, Shuji Ohkami | 2020-02-18 |
| 10058903 | Method for contamination prevention in fluid storage tank requiring temperature control, and device therefor | Kohhei Ohkami, Shuji Ohkami | 2018-08-28 |
| 9248480 | Method for contamination prevention in fluid storage tank requiring temperature control, and device therefor | Kohhei Ohkami, Shuji Ohkami | 2016-02-02 |