Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10707066 | Quadrupole mass filter and quadrupole mass spectrometrometer | Shinji Miyauchi, Yoshihiro Ueno | 2020-07-07 |
| 9796853 | Water-absorbent resin composition and method for producing thereof, and absorbent material and absorbent product using thereof | Katsuyuki Wada, Yasuhisa Nakashima | 2017-10-24 |
| 9775927 | Particulate water absorbent and process for production thereof | Taishi Kobayashi, Motohiro Imura, Taku Iwamura, Katsuyuki Wada, Kozo Nogi +3 more | 2017-10-03 |
| 9180220 | Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent | Kazushi Torii, Hirofumi Shibata, Kazuki Kimura, Yasuhisa Nakashima, Motohiro Imura +1 more | 2015-11-10 |
| 8952116 | Particulate water absorbent and process for production thereof | Taishi Kobayashi, Motohiro Imura, Taku Iwamura, Katsuyuki Wada, Kozo Nogi +3 more | 2015-02-10 |
| 8501873 | Water absorbent material, method for production of surface cross-linked water absorbent resin, and method for evaluation of water absorbent material | Masazumi Sasabe, Kenji Kadonaga, Shigeru Sakamoto, Motohiro Imura, Tsunemasa Ueno +1 more | 2013-08-06 |
| 8198209 | Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent | Kazushi Torii, Hirofumi Shibata, Kazuki Kimura, Yasuhisa Nakashima, Motohiro Imura +1 more | 2012-06-12 |
| 7825169 | Water-absorbent composition, process for production thereof, absorbent and absorbing product | Katsuyuki Wada, Kunihiko Ishizaki, Yoshio Irie, Yasuhisa Nakashima | 2010-11-02 |
| 7595428 | Water-absorbing agent composition and method for production thereof, absorptive article and absorbing material | Katsuyuki Wada, Yoshio Irie | 2009-09-29 |
| 7510988 | Particulate water-absorbing agent containing water-absorbent resin as a main component | Katsuyuki Wada, Kazuki Kimura, Kunihiko Ishizaki | 2009-03-31 |
| 7473470 | Particulate water absorbing agent with irregularly pulverized shape | Kunihiko Ishizaki, Takahiro Kitano, Yoshifumi Adachi, Katsuyuki Wada | 2009-01-06 |
| 7420018 | Water-absorbing agent production process with surface crosslinking and ion blocking | Katsuyuki Wada, Naoko Takahashi, Kinya Nagasuna, Koji Miyake, Yasuhiro Fujita +1 more | 2008-09-02 |
| 6964998 | Water-absorbing agent and its production process and use | Katsuyuki Wada, Naoko Takahashi, Kinya Nagasuna, Koji Miyake, Yasuhiro Fujita +1 more | 2005-11-15 |
| 6599989 | Water-absorbent agents containing polycarboxylic amine chelating agents | Katsuyuki Wada, Naoko Takahashi, Kinya Nagasuna, Koji Miyake, Yasuhiro Fujita +1 more | 2003-07-29 |
| 6150582 | Absorbent article and production process therefor | Katsuyuki Wada, Naoko Takahashi, Kinya Nagasuna | 2000-11-21 |
| 5149827 | Method for handling maleimides | Yuichi Kita, Kazuo Kishino | 1992-09-22 |