Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9005445 | Method of testing integrity of microporous membrane | Naoko Hamasaki | 2015-04-14 |
| 7745499 | Metal colloid solution | Tomoko Hongo, Naoko Hamasaki, Fumihiko Yamaguchi, Mitsunori Kubozaki | 2010-06-29 |
| 6797169 | Filter membranes for physiologically active substances | Toshiaki Noda | 2004-09-28 |
| 6233903 | Packing film feeder for multiple automatic packing machine | — | 2001-05-22 |