Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4447549 | Non-linear dielectric element | Sho Masujima, Masahide Shibuya, Iwaya Shoichi, Kenichi Umeda, Yasunobu Oikawa +3 more | 1984-05-08 |
| 4404029 | Non-linear polycrystalline barium titanate-type dielectric element | Shoichi Iwaya, Hitoshi Masumura, Yasunobu Oikawa, Hisao Abe | 1983-09-13 |