Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5077247 | Dielectric ceramic for microwave applications | Ayusawa Kazutoshi, Toru Arai | 1991-12-31 |
| 4699891 | Dielectric ceramic composition | Kazutoshi Ayusawa, Minoru Saito, Matsue Nakayama | 1987-10-13 |