Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356421 | Piezoelectric resonators of an energy-trapping type of a width extensional vibratory mode | Hiroshi Watanabe | 1982-10-26 |
| 4313832 | Method for treatment of aqueous solutions with ion exchange fibers | Toshiyuki Daigo, Hideo Azuma | 1982-02-02 |