Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981415 | Ceramic composite material and porous ceramic material | Yoshiharu Waku, Narihito Nakagawa, Kazutoshi Shimizu, Hideki Ohtsubo, Takumi Wakamoto | 1999-11-09 |
| 5902763 | Fused ceramic composite | Yoshiharu Waku, Narihito Nakagawa, Hideki Ohtsubo, Takumi Wakamoto, Kazutoshi Shimizu | 1999-05-11 |
| 5569547 | Ceramic composite material | Yoshiharu Waku, Hideki Ohtsubo | 1996-10-29 |
| 5484752 | Ceramic composite material | Yoshiharu Waku, Hideki Ohtsubo | 1996-01-16 |
| 5200374 | Sialon-based sintered body and process for producing same | Tetsuo Yamada, Tetsuo Nakayasu, Atsuhiko Tanaka, Takuji Takahashi | 1993-04-06 |
| 4845059 | Process for producing .alpha.-Sialon powder | Tetsuo Nakayasu | 1989-07-04 |
| 4812298 | Method for producing sialon powders | Teturo Kunisawa, Takuji Takahashi | 1989-03-14 |