Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173098 | Modified vinylaromatic copolymer, production method therefor, modified conjugated diene copolymer obtained therefrom and composition thereof, crosslinked rubber object, and tire member | Masanao Kawabe | 2024-12-24 |
| 12037427 | Polyfunctional vinyl aromatic copolymer and method for manufacturing same, copolymer rubber obtained therefrom, rubber composition, rubber crosslinked material, and tire member | Masanao Kawabe, Shinichi Iwashita | 2024-07-16 |
| 8889607 | Lubricating oil composition | Katsumi Nagano | 2014-11-18 |
| 8889608 | Lubricating oil composition | Katsumi Nagano | 2014-11-18 |
| 8153569 | Lubricant base oil | Katsumi Nagano | 2012-04-10 |