Issued Patents All Time
Showing 101–106 of 106 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230717 | Pressurized gassification apparatus | Kiichiro Ogawa, Yoshitaka Koga, Mitsuharu Takaki | 1993-07-27 |
| 4564361 | Catheter | — | 1986-01-14 |
| 4483688 | Catheter | — | 1984-11-20 |
| 4342839 | Method of manufacture of ion exchange resins | Koji Oinuma | 1982-08-03 |
| 4331541 | Fiber-supported ion exchanger | Hideo Naotsuka | 1982-05-25 |
| 4209592 | Sulphonation method for manufacture of a cation exchange resin | Hiroshi Kuyama, Kohji Oinuma | 1980-06-24 |