Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664462 | Metal complex having &bgr;-diketonate, process for production thereof, photoelectric conversion element, and photochemical cell | Hironori Arakawa, Hideki Sugihara, Yoshiaki Takahashi | 2003-12-16 |
| 6639073 | Ruthenium complex useful as sensitizer, dye-sensitized oxide semiconductor electrode and solar cell using same | Ashraful Islam, Hideki Sugihara, Masatoshi Yanagida, Hironori Arakawa | 2003-10-28 |
| 6274806 | Platinum complex for use as sensitizer for semiconductor electrode of solar cell | Hideki Sugihara, Kazuhiro Sayama, Hironori Arakawa, Ashraful Islam, Lok Pratap Singh | 2001-08-14 |