Issued Patents 2021
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11208674 | Method of producing saccharified solution from used absorbent article | Toshio Hiraoka, Koichi Yamaki, Noritomo Kameda | 2021-12-28 |
| 11131061 | Method for manufacturing recycled pulp fibers | Toshio Hiraoka, Takashi Kato, Noritomo Kurita | 2021-09-28 |
| 11098447 | Method for manufacturing recycled pulp from used sanitary products | Toshio Hiraoka | 2021-08-24 |
| 11053638 | Recycled pulp fiber manufacturing method | — | 2021-07-06 |
| 11021839 | Recovery method for organic acid, and production method for recycled pulp | Toshio Hiraoka, Takashi Kato, Yoshihide Ishikawa, Noritomo Kurita | 2021-06-01 |
| 10961658 | Method for recovering pulp fiber from used sanitary product and recycled pulp obtained thereby | Toshio Hiraoka, Noritomo Kameda, Hideaki Ichiura, Hiroko NAKAOKA | 2021-03-30 |
| 10960577 | Method for recovering pulp fiber from used sanitary product and recycled pulp obtained thereby | Toshio Hiraoka, Noritomo Kameda, Hideaki Ichiura, Hiroko NAKAOKA | 2021-03-30 |
| 10927496 | Method for recovering pulp fibers from used absorbent article | Toshio Hiraoka, Koichi Yamaki, Noritomo Kameda | 2021-02-23 |
| 10895039 | Process for manufacturing recycled pulp from used sanitary goods | Masashi Yamaguchi | 2021-01-19 |