Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749891 | Zinc oxide varistor and method of manufacturing same | Kaori Shiraishi, Tatsuya Inoue, Riho Sasaki, Hideaki Tokunaga | 2004-06-15 |
| 5520759 | Method for producing ceramic parts | Iwao Ueno, Yoichi Ogoshi, Yasuo Wakahata | 1996-05-28 |
| 4897219 | Voltage-dependent non-linear resistance ceramic composition | Akihiro Takami, Kazuhide Ebine, Kimiko Kumazawa | 1990-01-30 |
| 4839097 | Voltage-dependent non-linear resistance ceramic composition | Akihiro Takami, Kazuhide Ebine, Kimiko Kumazawa | 1989-06-13 |
| 4781859 | Voltage-dependent non-linear resistance ceramic composition | — | 1988-11-01 |