Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6335398 | Super absorbent polymer composition | Seiichi Miyanaga, Yoko Hanada | 2002-01-01 |
| 5883158 | Process for producing improved super absorbent polymer | Hiromi Nambu, Akira Umada, Yoshihiko Watanabe, Tadashi Igarashi | 1999-03-16 |
| 5621055 | Process for producing polymer particles with irregular shape | Seiichi Miyanaga, Yoshimitsu Ina, Takahide Minami | 1997-04-15 |
| 5596056 | Process for producing polymer particles with irregular shape by polymerizing a water-soluble polymerizable monomer | Hiromi Nambu, Takahide Minami, Akihiro Kondo | 1997-01-21 |
| 5328956 | Propylene (co)polymer and process for the preparation of the same | Yoshihiro Hasebe, Yutaka Yasuda | 1994-07-12 |
| 5284766 | Bed material for cell culture | Teruo Okano, Kazunori Kataoka, Noriko Yamada, Yasuhisa Sakurai, Akira Mamada | 1994-02-08 |