Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5547498 | Easily dispersible coloring carbon black and process for preparing an ink | Nobutake Mise, Makoto Ishizu | 1996-08-20 |
| 5264199 | Process for producing carbon black | Shushichi Yoshimura, Shinichi Kanamaru, Masanori Karatsu | 1993-11-23 |
| 5262146 | Method for producing carbon black | Shinichi Kanamaru, Hideyuki Hisashi, Tadashi Hashiguchi | 1993-11-16 |
| 4976945 | Process for producing carbon black | Shinichi Kanamaru, Shushichi Yoshimura, Hideyuki Hisashi | 1990-12-11 |