Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5879509 | Deinking of starch-coated printed paper by treatment with starch degrading enzyme | Masaki Sharyo, Hiromichi Sakaguchi | 1999-03-09 |
| 5667634 | Method for controlling pitch deposits in papermaking process using lipase and polyelectrolyte | Yuko Fujita, Haruo Awaji, 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, Haruo Awaji, Masaki Sharyou | 1997-04-01 |