Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869854 | Process for manufacturing organic silazane polymers and ceramics therefrom | Yoshihumi Takeda, Minoru Takamizawa | 1989-09-26 |
| 4870035 | Process for manufacturing organic silazane polymers and process for manufacturing ceramics from the polymers | Minoru Takamizawa, Mitsuo Umemura, Masato Kanari, Yoshihumi Takeda | 1989-09-26 |
| 4849196 | Process for producing silicon carbide whiskers | Motoyuki Yamada, Kazutoshi Numanami, Takahiro Iizuka | 1989-07-18 |
| 4847345 | Process for manufacturing organic silazane polymers and ceramics therefrom | Minoru Takamizawa, Yoshihumi Takeda, Tsutomu Takeno | 1989-07-11 |