Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994520 | Carbon black-graft polymer, method for production thereof, and use thereof | Yoshikuni Mori, Mitsuo Kushino, Nobuaki Urashima, Masuji Izubayashi, Shigeru Tanimori +4 more | 1991-02-19 |