Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876084 | P-hydroxycinnamamide derivatives and melanin inhibitor comprising the same | Kimihiko Hori, Michio Kawai, Itsuro Motegi, Genji Imokawa, Naotake Takaishi | 1989-10-24 |
| 4818662 | Process for forming color images | Toshiaki Aono | 1989-04-04 |