Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5968435 | Process for manufacturing pitch-type carbon fiber | Osamu Kato, Yoshio Kishimoto, Yutaka Arai, Masatoshi Furuyama, Tsutomu Kihara +5 more | 1999-10-19 |
| 5283959 | System for drying moist sludge | Yoshikazu Nagayoshi, Misao Igarashi | 1994-02-08 |