Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5780377 | Light-transmissive ceramics and method of manufacturing same | Tetsuaki Bundo, Koichi Hayashi | 1998-07-14 |
| 5110470 | Ceramic filter and process for making it | Kiyoshi Yokosawa | 1992-05-05 |