Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871740 | Glycyrrhetic acid derivatives and use thereof | Masayasu Kurono, Ryoichi Unno, Hiromoto Kimura, Mitsuru Oka, Keiko Hasegawa +4 more | 1989-10-03 |
| 4860461 | Coffee beans roasting device | Yoji Tamaki, Takuya Kino, Akihiko Nakamura | 1989-08-29 |
| 4826787 | Method for adhesion of silicon or silicon dioxide plate | Masaaki Muto, Takashi Kato | 1989-05-02 |
| 4809442 | Spray drying process and apparatus therefor | Shoichi Iwaya, Hitoshi Masumura, Hiroki Takahashi, Masaaki Ohkawara, Katsumi Kobayashi | 1989-03-07 |