Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710313 | Detergent composition for contact lenses | Nobuyuki Miyajima, Kenji Hata | 1987-12-01 |
| 4244882 | Process for continuous production of full esters of polyols | Hiroshi Isa, Kenji Karube | 1981-01-13 |