Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8633380 | Photoelectric conversion element comprising binuclear ruthenium complex dye having a substituted bipyridyl group, and photochemical cell | Kazuaki Kakita, Takafumi Iwasa, Yoshihisa Kakuta, Masashi Shirai, Shigeyoshi Nishino +1 more | 2014-01-21 |
| 7396816 | Low-molecular weight peptides inhibiting ion channel activity | Takane Yokotagawa, Masahiro Sokabe | 2008-07-08 |
| 6686482 | Process for preparing piperonal | Katsumasa Harada, Masashi Shirai, Koji Shiba | 2004-02-03 |
| 6573397 | Process for producing 3,4-dihydroxybenzonitrile | Masashi Shirai, Koji Shiba | 2003-06-03 |
| 5696301 | Process for preparing protocatechualdehyde | Katsumasa Harada, Masashi Shirai, Nobuyuki Kuroda | 1997-12-09 |
| 5044944 | Furnace of decreasing oxygen concentration to ultra low amount | Masayoshi Hamano | 1991-09-03 |