Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10597474 | Non-fluorinated polymer, water repellent agent composition, water-repellent fiber product, and method for producing water-repellent fiber product | Makoto Nishikawa, Min Si JUNG | 2020-03-24 |
| 9234072 | Non-crystalline polyester resin, and binder resin and binder resin dispersion for toner | Koji Ogawa, Yasumichi Moriyama, Masakazu Nishino | 2016-01-12 |
| 8598300 | Amorphous polyester resin, binder resin for toner for electrostatic image development and amorphous polyester resin production method | Tatsuhiro Hishida, Koji Ogawa, Yasumichi Moriyama, Kazuo Tanabe | 2013-12-03 |
| 8324338 | Oligomer removing agent for polyester-based fiber material | Masatoshi Hayashi | 2012-12-04 |
| 5767318 | Process for producing a high purity 2,4-dihydroxydiphenylsulfone | Masahiro Makino | 1998-06-16 |
| 5661721 | Method of and apparatus for receiving concentrated calls | Masaki Nakagawa | 1997-08-26 |
| 5399772 | Method of producing A 2,4'-dihydroxydiphenylsulfone | Mikihiko Kurose, Yoshihiro Sasada, Hajime Saito, Masahiro Makino | 1995-03-21 |
| 5378674 | Heat-sensitive recording material | Norio Kobayashi, Toshiaki Takahashi, Masahiro Makino | 1995-01-03 |
| 5348930 | Heat sensitive recording material | Norio Kobayashi, Toshiaki Takahashi, Masahiro Makino | 1994-09-20 |