Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5834603 | Polymerization initiator composition | Toshiyasu Sato, Hisayuki Suzuki | 1998-11-10 |
| 5498670 | Coating compositions containing crosslinked spherical fine particles | Takahiro Aoyama, Mitsuo Nakazaki, Akikazu Banba, Masatoshi Yoshida, Toshiaki Matsunaga | 1996-03-12 |
| 5229487 | Method for metered supply of material, apparatus therefor, and method for production of hydrophilic polymer by use thereof | Takehiro Takashima, Hitoshi Takahashi, Teruaki Fujiwara | 1993-07-20 |
| 5137945 | Cement with sulfoalkyacrylate polymers | Hideyuki Tahara, Hiroya Kobayashi, Tsuyoshi Hirata, Hiroshi Ito | 1992-08-11 |
| 4972025 | Cement dispersant | Yoshinori Sano, Hideyuki Tahara, Tsuyoshi Hirata, Hiroshi Ito, Yasuhiro Mori | 1990-11-20 |
| 4872885 | Dispersant for aqueous slurry of carbonaceous solid and aqueous carbonaceous solid slurry composition incorporating said dispersant therein | Hayami Ito, Shuhei Tatsumi, Yoshihiro Kajibata, Shoichi Takao, Takakiyo Goto +4 more | 1989-10-10 |
| 4870120 | Cement dispersant | Hideyuki Tahara, Hiroya Kobayashi, Tsuyoshi Hirata, Hiroshi Ito | 1989-09-26 |
| 4734478 | Water absorbing agent | Tadao Shimomura, Yoshio Irie, Yoshihiko Masuda, Kazumasa Kimura, Takumi Hatsuda | 1988-03-29 |
| 4666983 | Absorbent article | Tadao Shimomura, Yoshio Irie | 1987-05-19 |
| 4640584 | Spacers for liquid crystal display device | Iwao Fujikawa, Mitsuo Kushino | 1987-02-03 |
| 4625001 | Method for continuous production of cross-linked polymer | Tadao Shimomura, Yoshio Irie | 1986-11-25 |
| 4471100 | Copolymer and method for manufacture thereof | Masahiro Hosoido, Hideyuki Tahara | 1984-09-11 |
| 4286082 | Absorbent resin composition and process for producing same | Tadao Shimomura, Yoshio Irie, Yoshihiko Masuda | 1981-08-25 |