Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6335406 | Method for production of absorbent resin excelling in durability | Kinya Nagasuna, Kazumasa Kimura, Tadao Shimomura | 2002-01-01 |
| 6323250 | Method for production of porous material | Akiko Mitsuhashi, Hirotama Fujimaru, Masazumi Sasabe, Kazutomo Takahashi, Masuji Izubayashi | 2001-11-27 |
| 6280120 | Adhesion preventing method and support body extracting method | Kouichi Okamoto, Yoshihiko Masuda, Yohei Murakami, Akira Hattori | 2001-08-28 |
| 6087002 | Water absorbent resin | Kazumasa Kimura, Kinya Nagasuna, Takashi Namba, Koji Miyake, Tadao Shimomura | 2000-07-11 |
| 5244735 | Water-absorbent resin and production process | Kazumasa Kimura, Kinya Nagasuna, Takashi Namba, Koji Miyake, Tadao Shimomura | 1993-09-14 |
| 5026800 | Water-absorbent resin and production process | Kazumasa Kimura, Kinya Nagasuna, Takashi Namba, Koji Miyake, Tadao Shimomura | 1991-06-25 |