Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826892 | Polycarbosilastyrene copolymer, method for producing the same, and process for producing shaped silicon carbide article from the same | Keizo Shimada, Hidetsugu Yoshida | 1989-05-02 |