Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232076 | Electromagnetic clutch | Junichi Nakagawa | 1993-08-03 |
| 4555446 | Carbon fiber and process for preparing same | Atsushi Sumida | 1985-11-26 |
| 4517169 | Method of producing carbon fibers | Atsushi Sumida, Keiichiro Ozaki | 1985-05-14 |
| 4301136 | Process for continuous graphitization of graphitizable precursor fibers | Ryuichi Yamamoto | 1981-11-17 |
| 4186179 | Process for producing oxidized or carbon fibers | Kosuke Katsuki | 1980-01-29 |