Issued Patents 2003
Showing 1–2 of 2 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 |