Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5760632 | Double-balanced mixer circuit | Yoshiyasu Tsuruoka | 1998-06-02 |
| 5618831 | Composition and method for treating cancer | Tadao Shishido, Akihiko Ikegawa, Toshinao Ukai, Keizo Koya, Lan Bo Chen | 1997-04-08 |
| 5599825 | Water-soluble methine compound and pharmaceutical composition for treatment of cancer comprising the same | Noriaki Tatsuta, Akihiko Okegawa, Keizo Koya | 1997-02-04 |
| 5476945 | Water-soluble methine derivatives of thiazole | Akihiko Ikegawa, Toshinao Ukai | 1995-12-19 |