Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667634 | Method for controlling pitch deposits in papermaking process using lipase and polyelectrolyte | Yuko Fujita, Hidesato Shimoto, Masaki Sharyou | 1997-09-16 |
| 5616215 | Method of making paper from pulp treated with lipase and an aluminum salt | Hans Peter Heldt-Hansen, Yuko Fujita, Hidesato Shimoto, Masaki Sharyou | 1997-04-01 |
| 4247569 | Antibacterial agents | Kunio Hata, Motoo Matsukura, Satoshi Hatano, Kihachiro Ohsima, Isao Kano +1 more | 1981-01-27 |