Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679728 | Surface-treated carbon black and rubber composition containing same | Tetsuji Kawazura, Hiroyuki Kaido, Fumito Yatsuyanagi, Masayuki Kawazoe | 1997-10-21 |
KI
Kouichi Ikai
Overall (1997): #117,108 of 185,788Top 65%
1
Patents 1997