Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580929 | Interpenetrating-polymer network phase-transition gels | Toyoichi Tanaka, Etsuo Kokufuta, Masahiko Annaka | 1996-12-03 |
| 5403893 | Interpenetrating-polymer network phase-transition gels | Toyoichi Tanaka, Etsuo Kokufuta, Masahiko Annaka | 1995-04-04 |