Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4789653 | Method for production of ceramic composition | Yasuyuki Ogata, Seiji Yamanaka | 1988-12-06 |
| 4744972 | Method for production of highly dielectric powder | Yasuyuki Ogata | 1988-05-17 |