Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870035 | Process for manufacturing organic silazane polymers and process for manufacturing ceramics from the polymers | Minoru Takamizawa, Mitsuo Umemura, Yoshihumi Takeda, Akira Hayashida | 1989-09-26 |