Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849384 | Dielectric porcelain | Kouichi Tatsuki, Kanji Murano | 1989-07-18 |
| 4824813 | Dielectric ceramic composition | Shinsuke Yano, Hiroshi Kato, Toshio Nonomura | 1989-04-25 |
| 4795670 | Multilayer ceramic substrate with circuit patterns | Junzo Fukuda, Shinsuke Yano, Hiroshi Kawabe | 1989-01-03 |