Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5798315 | Microcapsule-containing oil-based coating liquid, ink, coated sheet, and method of preparing the same | Akira Hirasawa, Hisano Higurashi, Makoto Kawamura | 1998-08-25 |
| 5646203 | Microcapsule-containing oil-based coating liquid, ink, coated sheet, and method of preparing the same | Akira Hirasawa, Hisano Higurashi, Makoto Kawamura | 1997-07-08 |
| 4938900 | Method for the preparation of microcapsules | Masafumi Moriwaki, Hiroyuki Sekihara | 1990-07-03 |