Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4921758 | Molded product of polyarylene thioether and the use thereof | Satoshi Hirose, Takao Iwasaki, Toshitaka Kouyama, Yasuo Sakaguchi | 1990-05-01 |
| 4746470 | Process for the preparation of carbon fibers having structure reflected in cross sectional view thereof as random mosaic | Hiroto Fujimaki, Ikuo Seo, Yasuo Sakaguchi | 1988-05-24 |
| 4278584 | Organic friction material | Kazuo Noguchi, Hiroto Fujimaki, Shigetoshi Ajima, Kazutoshi Takada, Kensuke Okuda | 1981-07-14 |