Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5801221 | Polymeric phase transition artificial receptors, antibodies, and enzymes | Masahiko Annaka, Saturo Masamune | 1998-09-01 |
| 5580929 | Interpenetrating-polymer network phase-transition gels | Franck Ilmain, Etsuo Kokufuta, Masahiko Annaka | 1996-12-03 |
| RE35068 | Collapsible gel compositions | Izumi Nishio, Shao-Tang Sun | 1995-10-17 |
| 5403893 | Interpenetrating-polymer network phase-transition gels | Franck Ilmain, Etsuo Kokufuta, Masahiko Annaka | 1995-04-04 |
| 5274018 | Salt tolerant super absorbents | Yong-Qing Zhang | 1993-12-28 |
| 5242491 | Photo-induced reversible, discontinuous volume changes in gels | Akira Mamada, Dawan Kungwatchakun, Masahiro Irie | 1993-09-07 |
| 5100933 | Collapsible gel compositions | Izumi Nishio, Shao-Tang Sun | 1992-03-31 |
| 4732930 | Reversible, discontinuous volume changes of ionized isopropylacrylamide cells | Yoshitsugu Hirokawa | 1988-03-22 |