Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4556526 | Process for production of sintered ceramic body | Kiyohito Okamura, Yoshio Hasegawa, Takemi Yamamura | 1985-12-03 |
| 4515742 | Continuous inorganic fibers and process for production thereof | Akiko Noda, Kiyohito Okamura, Yoshio Hasegawa, Takemi Yamaura | 1985-05-07 |
| 4455414 | Process for producing an organometallic copolymer | Kiyohito Okamura, Yoshio Hasegawa, Takemi Yamamura | 1984-06-19 |
| 4399232 | Continuous inorganic fibers and process for production thereof | Kiyohito Okamura, Yoshio Hasegawa, Takemi Yamamura | 1983-08-16 |
| 4361679 | Process for producing heat-resistant and moisture-resistant polyborometallosiloxanes | Kiyohito Okamura, Toetsu Shishido | 1982-11-30 |
| 4361691 | Process for production of heat-resistant compounds | Kiyohito Okamura, Toetsu Shishido | 1982-11-30 |
| 4359559 | Novel polymetallocarbosilane, and process for its production | Kiyohito Okamura, Yoshio Hasegawa, Takemi Yamamura | 1982-11-16 |
| 4358576 | Organometallic polymer and process for production thereof | Kiyohito Okamura, Toetsu Shishido, Kazushige Fukuda | 1982-11-09 |
| 4347347 | Crosslinked organometallic block copolymers and process for production thereof | Kiyohito Okamura, Yoshio Hasegawa, Takemi Yamamura | 1982-08-31 |
| 4342712 | Process for producing continuous inorganic fibers | Kiyohito Okamura, Yoshio Hasegawa, Takemi Yamamura | 1982-08-03 |
| 4336215 | Sintered ceramic body and process for production thereof | Kiyohito Okamura, Yoshio Hasegawa, Takemi Yamamura | 1982-06-22 |
| 4334051 | Heat resistant polyvanadiosiloxanes and a process for their production | Kiyohito Okamura, Toetsu Shishido | 1982-06-08 |
| 4289720 | Process for producing a thermal-resistant ceramic fired body | Toetsu Shishido, Kiyohito Okamura, Hideo Kayano, Josaburo Hayashi, Hiroshi Kobayashi | 1981-09-15 |
| 4283376 | Method of producing silicon carbide fibers | Kiyohito Okamura, Yoshio Hasegawa | 1981-08-11 |
| 4279654 | Process for production of crystallized glass and process for producing composite article using said crystallized glass | Kiyohito Okamura, Toetsu Shishido, Yoshio Hasegawa | 1981-07-21 |
| 4267211 | Process for producing corrosion-, heat- and oxidation-resistant shaped article | Kiyohito Okamura, Toetsu Shishido, Yoshio Hasegawa | 1981-05-12 |
| 4267210 | Method for producing corrosion-, heat- and oxidation-resistant materials | Kiyohito Okamura, Toetsu Shishido, Yoshio Hasegawa | 1981-05-12 |
| 4264361 | Heat-resistant composite magnet and method for producing the same | Masaaki Hamano, Yoshio Hasegawa, Kimiyuki Kamino, Takehiro Yamane | 1981-04-28 |
| 4248814 | Process for producing ceramic sintered bodies | Kiyohito Okamura, Toetsu Shishido | 1981-02-03 |
| 4242487 | Process for producing heat-resistant semi-inorganic compounds | Kiyohito Okamura, Toetsu Shishido, Yoshio Hasegawa | 1980-12-30 |
| 4220600 | Polycarbosilane, process for its production, and its use as material for producing silicon carbide fibers | Kiyohito Okamura, Yoshio Hasegawa | 1980-09-02 |