Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125036 | Ion exchange membrane, method for producing same, and electrodialyzer | Kenichi Kobayashi, Takahiro Nakashima, Mitsuru Higa | 2018-11-13 |
| 9833742 | Cation exchange membrane and method for producing same | Takahiro Nakashima, Takashi Wakui, Mitsuru Higa | 2017-12-05 |
| 9346020 | Multilayered charge-mosaic membrane and manufacturing method therefor | Kenichi Kobayashi, Mitsuru Higa | 2016-05-24 |
| 9321047 | Anion exchange membrane and method for producing same | Kenichi Kobayashi, Naoki Fujiwara | 2016-04-26 |
| 9266069 | Ion-exchange membrane and method for producing same | Mitsuru Higa, Kenichi Kobayashi, Naoki Fujiwara | 2016-02-23 |
| 8716358 | Anion exchange membrane and method for producing same | Kenichi Kobayashi, Naoki Fujiwara | 2014-05-06 |
| 8101546 | Thermal recording material | — | 2012-01-24 |
| 7141638 | Vinyl alcohol polymer | Naoki Fujiwara | 2006-11-28 |
| 6962955 | Vinyl alcohol polymer and process for producing vinyl alcohol polymer | Takeshi Kusudou, Naoki Fujiwara | 2005-11-08 |
| 6346570 | Water resistant composition, coating agent, and recording material | Somemiya Kazuyuki, Sadahiko Shiraga, Naoki Fujuwara, Toshiyuki Akasawa | 2002-02-12 |
| 5710211 | Process for producing vinyl alcohol polymer | Toshiaki Sato, Naoki Fujiwara | 1998-01-20 |