Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258534 | Viscosity index improver and lubricating oil composition | Nobuhiro Naito, Masahiro Hashimoto, Kenyuu Yoshida, Hiroki Yamashita, Ryota Sato | 2025-03-25 |
| 12187860 | Water-absorbent resin powder and production method thereof | Tsuyoshi YORINO, Naoki KATAKURA, Hiroki Hayashi, Sumito Kumagai, Masahumi INOUE +6 more | 2025-01-07 |