Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019829 | Carbon black aggregate | Yoshihiro Omae, Syushichi Yoshimura, Michihiro Ikeda, Akiyoshi Ohnishi, Shuuhei Taohata | 2000-02-01 |
| 5262146 | Method for producing carbon black | Shinichi Kanamaru, Hideyuki Hisashi, Akinori Sakaue | 1993-11-16 |