Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316789 | Cation exchange membranes | Tokuzo Iijima, Yasushi Samejima, Kazuo Kishimoto, Takamichi Komabashiri | 1982-02-23 |
| 4316790 | Cation exchange membranes | Tokuzo Iijima, Yasushi Samejima, Kazuo Kishimoto, Takamichi Komabashiri | 1982-02-23 |