Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700862 | Aqueous coating composition | Katsuhiko Sho, Yasuhiro Shibata, Tsuyoshi Imamura, Kunihiko Takeuchi | 1997-12-23 |
| 5603757 | Photochromic brightening pigment | Katsumi Mizuguchi, Naoya Yabuuchi | 1997-02-18 |
| 5603986 | Method of preparing microcapsules | Naoya Yabuuchi, Tsuyoshi Imamura, Takahiro Mukae | 1997-02-18 |