Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6335406 | Method for production of absorbent resin excelling in durability | Kinya Nagasuna, Kenji Kadonaga, Kazumasa Kimura | 2002-01-01 |
| 6150469 | Method of producing a hydrophilic resin | Nobuyuki Harada, Shigeru Sakamoto, Yoshihiro Motono | 2000-11-21 |
| 6087002 | Water absorbent resin | Kazumasa Kimura, Kinya Nagasuna, Takashi Namba, Kenji Kadonaga, Koji Miyake | 2000-07-11 |
| 6083417 | Thermal storage agent, manufacturing method thereof, thermal storage material, manufacturing method thereof, thermal storage device and accumulating method | Tomoki Gomi, Yoshio Irie | 2000-07-04 |
| 5624967 | Water-absorbing resin and process for producing same | Kazuhisa Hitomi, Takumi Hatsuda | 1997-04-29 |
| 5599763 | Absorbent material, absorbent body, and method for production thereof | Nobuyuki Harada, Kazumasa Kimura | 1997-02-04 |
| 5382610 | Water absorbent matter and method for producing it as well as water absorbent and method for producing it | Nobuyuki Harada, Katsuyuki Wada, Hisanori Obara, Yoshinori Sano | 1995-01-17 |
| 5368918 | Absorbent material comprising absorbent polymeric particulate material coated with synthetic pulp | Nobuyuki Harada, Kazumasa Kimura | 1994-11-29 |
| 5338810 | Method for production of acrylate and acrylate-containing polymer | Yoshio Irie, Hitoshi Takahashi, Katsuhiro Kajikawa, Jyunichi Saga, Teruaki Fujiwara +1 more | 1994-08-16 |
| 5296650 | Method for waterproofing with a cross-linked macromolecular waterproofing agent | Hiroya Kobayashi, Kazuhiro Okamura, Yoshinori Sano | 1994-03-22 |
| 5244735 | Water-absorbent resin and production process | Kazumasa Kimura, Kinya Nagasuna, Takashi Namba, Kenji Kadonaga, Koji Miyake | 1993-09-14 |
| 5213893 | Waterproofing agent for cable | Hiroya Kobayashi, Kazuhiro Okamura, Yoshiyuki Takahashi | 1993-05-25 |
| 5210298 | Method for production of acrylate and acrylate-containing polymer | Yoshio Irie, Hitoshi Takahashi, Katsuhiro Kajikawa, Jyunichi Saga, Teruaki Fujiwara +1 more | 1993-05-11 |
| 5195999 | Absorbent body and absorbent article | Nobuyuki Harada, Kazumasa Kimura | 1993-03-23 |
| 5190815 | Waterproofing tape comprising ethylenic sulfonate polymers | Hiroya Kobayashi, Kazuhiro Okamura, Yoshinori Sano | 1993-03-02 |
| 5115011 | Process for producing quality-improved water-absorbent polymers and products | Nobuyuki Harada, Toshihiro Okuno | 1992-05-19 |
| 5098775 | Body fluid-absorbing article | Nobuyuki Harada, Yoshihiro Motono, Kazumasa Kimura | 1992-03-24 |
| 5079034 | Method for manufacturing a water absorbent composite by applying an aqueous polymerizable solution to a substrate and polymerizing the coating against polymerization inner surfaces | Koji Miyake, Nobuyuki Harada, Kazumasa Kimura | 1992-01-07 |
| 5078992 | Water-absorbing resin composition containing metallophthalocyanine | Yoshiyuki Takahashi, Naoyuki Shirane | 1992-01-07 |
| 5026800 | Water-absorbent resin and production process | Kazumasa Kimura, Kinya Nagasuna, Takashi Namba, Kenji Kadonaga, Koji Miyake | 1991-06-25 |
| 4985514 | Method for production of water absorbent resin | Kazumasa Kimura, Takumi Hatsuda, Yoshio Irie | 1991-01-15 |
| 4973632 | Production process for water-absorbent resin | Kinya Nagasuna, Takashi Namba, Koji Miyake, Kazumasa Kimura | 1990-11-27 |
| 4959060 | Body fluid-adsorbing article | Nobuyuki Harada, Kunihiko Ishizaki | 1990-09-25 |
| 4920202 | Method for production of hydrophilic polymer from hydrated gel polymer | Yoshio Irie, Kaoru Iwasaki, Takumi Hatsuda, Kazumasa Kimura, Nobuyuki Harada +2 more | 1990-04-24 |
| 4734478 | Water absorbing agent | Tsuneo Tsubakimoto, Yoshio Irie, Yoshihiko Masuda, Kazumasa Kimura, Takumi Hatsuda | 1988-03-29 |