Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342839 | Method of manufacture of ion exchange resins | Koji Oinuma | 1982-08-03 |
| 4331541 | Fiber-supported ion exchanger | Hideo Naotsuka | 1982-05-25 |
HA
Hiroshi Akiyama
Overall (1982): #13,055 of 81,411Top 20%
2
Patents 1982