Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826616 | Piezoelectric pressure-sensitive element and method for making same | Morihito Nakada | 1989-05-02 |
| 4808326 | Resin-bonded magnetic composition and process for producing magnetic molding therefrom | Yukio Nakazawa, Takeo Kizaki | 1989-02-28 |