Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5281477 | Carbon fibers having high tenacity and high modulus of elasticity and process for producing the same | Yoshitaka Imai, Hiroaki Yoneyama, Yoshiteru Tanuku | 1994-01-25 |
| 5051216 | Process for producing carbon fibers of high tenacity and modulus of elasticity | Yoshitaka Imai, Hiroaki Yoneyama, Yoshiteru Tanuku | 1991-09-24 |
| 4780301 | Process for producing carbon fiber | Toha Kobayashi, Yoshitaka Imai, Nobuyuki Yamamoto, Susumu Sasaki | 1988-10-25 |
| 4609540 | Process for producing carbon fibers | Jinko Izumi, Yoshitaka Imai, Yoshiteru Tanuku, Naoyuki Fukahori | 1986-09-02 |
| 4206080 | Method of producing of treating material for oil-containing waste water | Hiroshi Sato, Naoki Mochida | 1980-06-03 |
| 4185148 | Process for producing the polypropylene film for electrical appliances | Hiroshi Sato, Shuichi Sugimori | 1980-01-22 |