Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488573 | Polishing apparatus, polishing method and method of conditioning polishing pad | Tatsunori Kobayashi, Hiroshi Tanaka, Kanji Hosoki, Eturo Morita, Seiji Harada | 2002-12-03 |
| 5592134 | EMI filter with a ceramic material having a chemical reaction inhibiting component | Yoshimasa Hayashi, Yasushi Kojima | 1997-01-07 |
| 5071635 | Method of preparing ceramic microspheres | Seiji Yamanaka, Kohji Shirota | 1991-12-10 |
| 4789653 | Method for production of ceramic composition | Hidetsugu Ono, Seiji Yamanaka | 1988-12-06 |
| 4744972 | Method for production of highly dielectric powder | Hidetsugu Ono | 1988-05-17 |
| 4636248 | Method for production of dielectric powder | Yoshinori Shinohara | 1987-01-13 |