Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7262361 | Semiconductor thin film electrodes made by using organic dyes as the photosensitizer and photoelectric conversion devices | Kohjirou Hara, Kazuhiro Sayama, Hironori Arakawa, Sadaharu Suga, Akira Shinpo +1 more | 2007-08-28 |
| 6455579 | Pyran derivatives | Makoto Satsuki, Akira Shinpo, Sadaharu Suga, Atsushi Oda, Hiroshi Tada +1 more | 2002-09-24 |