Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812271 | Continuous process for producing long .alpha.-alumina fibers | Taizo Utsunomiya, Yoshiaki Saitow, Katsusuke Iwanaga, Michihiko Matsue, Noriaki Nishitani | 1989-03-14 |
| 4777151 | Glass-ceramic product and method of making the same | Akria Mathumoto, Yoshinori Koyanagi, Toshio Hamasaki, Katsuya Eguchi | 1988-10-11 |
| 4719188 | Alumina-base abrasion resistant material | Akira Matsumoto, Yoshito Morita, Tomomi Miyamoto | 1988-01-12 |
| 4354919 | Process for the liquefaction of coal | Shoichi Oi, Noriaki Ohnishi, Shinya Mori, Tadanobu Takata | 1982-10-19 |