Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11905486 | Viscosity index improver composition and lubricating oil composition | Yoriyuki Takashima, Koki Hirano, Motoharu Ishikawa | 2024-02-20 |
| 5705302 | Color filter for liquid crystal display device and method for producing the color filter | Yoshihiro Ohno, Hiroshi Kiguchi, Fumiaki Matsushima, Kuniyasu Matsui, Tsuyoshi Sunagawa +3 more | 1998-01-06 |