Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319971 | Composition for controlling clathrate hydrates and a method for controlling clathrate hydrate formation | Malcolm Andrew Kelland, Mark Rodger | 2001-11-20 |
| 6232273 | Clathrate hydrate inhibitor and method of inhibiting the formation of clathrate hydrates using it | Yoshikazu Fujii, Takuya Saeki, Hiyora Kobayashi | 2001-05-15 |
| 6174978 | Production process of water-absorbent resin | Takumi Hatsuda, Yoshihiro Motono | 2001-01-16 |
| 6087002 | Water absorbent resin | Kazumasa Kimura, Kinya Nagasuna, Kenji Kadonaga, Koji Miyake, Tadao Shimomura | 2000-07-11 |
| 6037431 | Surfactant absorbing agent and method and surfactant carrying material | Shorbu Shioji, Tomoki Gomi | 2000-03-14 |
| 5770767 | Process for producing 2-fluorocyclopropancecarboxlic acid | Nobushige Itaya, Ryuhei Wakita, Asako Kubo, Mikio Sasaki, Yusuke Yukimoto | 1998-06-23 |
| 5747602 | Production process for making high molecular weight polydioxolane | Hiroya Kobayashi, Kenji Minami, Hiroshi Itoh, Toshiaki Kuriyama, Masashi Yukitake | 1998-05-05 |
| 5391700 | Process for producing polyester by ring-opening copolymerization | Hiroshi Itoh, Hiroya Kobayashi, Masashi Yukitake | 1995-02-21 |
| 5244735 | Water-absorbent resin and production process | Kazumasa Kimura, Kinya Nagasuna, Kenji Kadonaga, Koji Miyake, Tadao Shimomura | 1993-09-14 |
| 5026800 | Water-absorbent resin and production process | Kazumasa Kimura, Kinya Nagasuna, Kenji Kadonaga, Koji Miyake, Tadao Shimomura | 1991-06-25 |
| 4973632 | Production process for water-absorbent resin | Kinya Nagasuna, Koji Miyake, Kazumasa Kimura, Tadao Shimomura | 1990-11-27 |