Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365022 | Method for manufacture of high-strength sintered article of substances having .beta.-silicon nitride type crystal structure | Yoshitaka KUWAHARA, Michihide Machida, Shyoichi Kume, Takeo Iga, Kazuo Saitoh +1 more | 1982-12-21 |