Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889728 | Chewing gum and a method of manufacturing the same | Michiyo Fukuse, Tohru Miyaaki, Toshio Miyake | 1989-12-26 |
| 4847010 | Process for preparing rosin ester with esterification and hydrogenation | Yoshihiro Kodama | 1989-07-11 |