Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869843 | High-density granular detergent composition | Kozo Saito, Fumio Sai | 1989-09-26 |
| 4842760 | Soft finishing agent | Masaki Tsumadori, Kazuo Shimizu, Junichi Inokoshi | 1989-06-27 |
| 4822516 | Detergent composition for clothing incorporating a cellulase | Akira Suzuki, Susumu Ito, Kikuhiko Okamoto, Eiichi Hoshino, Michio Yokosuka | 1989-04-18 |