Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724109 | Process for production of continuous inorganic fibers and apparatus therefor | Mitsuo Yamashita, Ichiro Nagashima, Katunosin Isogai | 1988-02-09 |
| 4264676 | Process for preparing superfine ion-exchange fibers | Mitsutaka Uzumaki, Masahiko Takashio, Tadayoshi Utsumi | 1981-04-28 |