Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342712 | Process for producing continuous inorganic fibers | Seishi Yajima, Yoshio Hasegawa, Takemi Yamamura | 1982-08-03 |
| 4336215 | Sintered ceramic body and process for production thereof | Seishi Yajima, Yoshio Hasegawa, Takemi Yamamura | 1982-06-22 |
| 4334051 | Heat resistant polyvanadiosiloxanes and a process for their production | Seishi Yajima, Toetsu Shishido | 1982-06-08 |
| 4289720 | Process for producing a thermal-resistant ceramic fired body | Seishi Yajima, Toetsu Shishido, Hideo Kayano, Josaburo Hayashi, Hiroshi Kobayashi | 1981-09-15 |
| 4283376 | Method of producing silicon carbide fibers | Seishi Yajima, Yoshio Hasegawa | 1981-08-11 |
| 4279654 | Process for production of crystallized glass and process for producing composite article using said crystallized glass | Seishi Yajima, Toetsu Shishido, Yoshio Hasegawa | 1981-07-21 |
| 4267211 | Process for producing corrosion-, heat- and oxidation-resistant shaped article | Seishi Yajima, Toetsu Shishido, Yoshio Hasegawa | 1981-05-12 |
| 4267210 | Method for producing corrosion-, heat- and oxidation-resistant materials | Seishi Yajima, Toetsu Shishido, Yoshio Hasegawa | 1981-05-12 |
| 4248814 | Process for producing ceramic sintered bodies | Seishi Yajima, Toetsu Shishido | 1981-02-03 |
| 4242487 | Process for producing heat-resistant semi-inorganic compounds | Seishi Yajima, Toetsu Shishido, Yoshio Hasegawa | 1980-12-30 |
| 4220600 | Polycarbosilane, process for its production, and its use as material for producing silicon carbide fibers | Seishi Yajima, Yoshio Hasegawa | 1980-09-02 |