Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6586549 | Water-absorbing composition and its use | Takumi Hatsuda, Kazuki Kimura, Eri Goto, Katsuyuki Wada | 2003-07-01 |
| 6562879 | Water-absorbent resin powder and its production process and use | Takumi Hatsuda, Hiroyuki Ikeuchi, Yoshio Irie, Kunihiko Ishizaki | 2003-05-13 |
| 6510307 | Transfer device, image-forming apparatus using the same and method for producing transferring member | Masahiro Sato, Toshihiko Mitsuhashi, Yusuke Kitagawa, Kazuya Yamanoi, Ryuichi Yamamoto +5 more | 2003-01-21 |
| 6469080 | Water-absorbent resin composition | Shinichi Fujino, Masatoshi Nakamura, Katsuyuki Wada | 2002-10-22 |
| 6468884 | Method of forming silicon-contained crystal thin film | Kiyoshi Ogata | 2002-10-22 |
| 6399668 | Water absorbent resin | Nobuyuki Harada, Hiroshi Odanaka | 2002-06-04 |
| 6335535 | Method for implanting negative hydrogen ion and implanting apparatus | Tsukasa Hayashi, Hajime Kuwahara | 2002-01-01 |
| 6291636 | Manufacturing method of absorbent resin | Toru Yanase, Yoshifumi Adachi, Takumi Hatsuda | 2001-09-18 |
| 6271498 | Apparatus for vaporizing liquid raw material and method of cleaning CVD apparatus | Hajime Kuwahara, Tsukasa Hayashi | 2001-08-07 |
| 6251960 | Process for production of water absorbent resin | Kunihiko Ishizaki, Hisanobu Obara, Nobuyuki Harada, Yoshihiro Motono | 2001-06-26 |
| 6241928 | Method for production of shaped hydrogel of absorbent resin | Takumi Hatsuda, Katsuhiro Kajikawa, Hideyuki Tahara, Akito Yano, Takanori Murakami | 2001-06-05 |
| 6207796 | Production process for hydrophilic polymer | Yorimichi Dairoku, Yasuhiro Fujita, Yoshio Irie | 2001-03-27 |
| 6187902 | Production process of hydrophilic crosslinked polymer | Toru Yanase, Takumi Hatsuda, Akito Yano | 2001-02-13 |
| 6165376 | Work surface treatment method and work surface treatment apparatus | Takahiro Nakahigashi, Hajime Kuwahara | 2000-12-26 |
| 6140395 | Method of producing hydrophilic resin | Takumi Hatsuda, Akito Yano | 2000-10-31 |
| 6107358 | Water-absorbent resin and method for production thereof | Nobuyuki Harada, Yoshihiro Motono, Hideyuki Tahara, Takumi Hatsuda, Teruyuki Kanto +4 more | 2000-08-22 |
| 6103425 | Liquid-absorbing resin, manufacturing method thereof and gel composition | Nobuyuki Harada | 2000-08-15 |
| 6100305 | Method of production of water-absorbing resin | Yoshihiro Motono, Nobuyuki Harada, Akito Yano, Teruyuki Kanto, Shigeru Sakamoto | 2000-08-08 |
| 6087002 | Water absorbent resin | Kazumasa Kimura, Kinya Nagasuna, Takashi Namba, Kenji Kadonaga, Tadao Shimomura | 2000-07-11 |
| 6035169 | Developing device | Hideaki Tanaka, Takuji Matsumoto | 2000-03-07 |
| 5985944 | Water-absorbent resin, process for production thereof, and water-absorbent resin composition | Kunihiko Ishizaki, Hisanobu Obara, Nobuyuki Harada, Yoshihiro Motono | 1999-11-16 |
| 5830543 | Gelling material for aqueous fluids | Nobuyuki Harada, Hiroshi Odanaka | 1998-11-03 |
| 5644124 | Photodetector with a multilayer filter and method of producing the same | Toshimasa Hamada, Masaru Iwasaki, Tetsuya Hanamoto, Shohichi Katoh, Takahiro Funakoshi +1 more | 1997-07-01 |
| 5244735 | Water-absorbent resin and production process | Kazumasa Kimura, Kinya Nagasuna, Takashi Namba, Kenji Kadonaga, Tadao Shimomura | 1993-09-14 |
| 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 | Nobuyuki Harada, Kazumasa Kimura, Tadao Shimomura | 1992-01-07 |