Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8859894 | Binuclear ruthenium complex dye, ruthenium-osmium complex dye, photoelectric conversion element using any one of the complex dyes, and photochemical cell | Kazuaki Kakita, Shusaku Wada, Takafumi Iwasa | 2014-10-14 |
| 8633380 | Photoelectric conversion element comprising binuclear ruthenium complex dye having a substituted bipyridyl group, and photochemical cell | Kazuaki Kakita, Takafumi Iwasa, Masashi Shirai, Toshio Furuya, Shigeyoshi Nishino +1 more | 2014-01-21 |
| 7825250 | Binuclear metal complex, metal complex dye, photoelectric conversion element, and photochemical battery | Takafumi Iwasa | 2010-11-02 |
| 6541073 | Zirconium oxide and zirconium oxide precursor and process for producing them | Shigeru Yao, Takashi Atoguchi, Tomonori Kanougi | 2003-04-01 |