Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6035550 | Method and apparatus for treating bog in a low temperature liquid storage tank | Toshiharu Okui, Motoichi Ikeda | 2000-03-14 |
| 5787605 | Method of storing and transporting gases | Toshiharu Okui, Katsumi Kaneko | 1998-08-04 |