Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544644 | High dielectric constant type ceramic composition | Takashi Takahashi, Mituo Harata | 1985-10-01 |
| 4321155 | Piezoelectric oxide material | Katsunori Yokoyama, Tadashi Ido, Seiichi Yoshida | 1982-03-23 |