Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599935 | Bisquinolinol and bisbenzoquinolinol compounds, and process for producing same | Toshikazu Takahashi, Kazuyuki Kasuga, Hideki Sugihara | 1997-02-04 |
| 5411667 | Method of selectively separating lead ions | Hideki Suigihara, Kazuyuki Kasuga | 1995-05-02 |
| 5182398 | .alpha.-Amino acid diamide and use thereof as cupric ion-transporting ionophore | Kazuyuki Kasuga, Takuji Hirose, Toshikazu Takahashi | 1993-01-26 |
| 5071989 | Quinolyl malonamide derivatives | — | 1991-12-10 |
| 4861455 | Electrode membrane | Hideki Sugihara, Tatsuhiro Okada | 1989-08-29 |
| 4560759 | Cation carrier | — | 1985-12-24 |
| 4433151 | Oxy benzoic acid terminated polyether derivatives of 8-hydroxy quinolines | — | 1984-02-21 |
| 4420612 | Catalyst membrane | Seiichi Aiba, Tsutomu Nakagawa | 1983-12-13 |