Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8158248 | Porous ceramic for slide member, method for preparing the same, and mechanical seal ring | Takeshi Hara | 2012-04-17 |
| 5520716 | Al.sub.2 O.sub.3 -TiC sintered product and substrate for magnetic heads | Nobuoki Takagi, Hiroki Tokunaga | 1996-05-28 |