Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5610315 | Process for the preparation of 6,7-diacyl-7-deacetylforskolin derivatives | Tochiro Tatee, Hirotaka Yamamoto, Yuh-ichiro Ichikawa, Aya Ishikawa, Chikara Komuro +1 more | 1997-03-11 |
| 5484954 | Process for the preparation of 6,7-diacyl-7-deacteylforskolin derivatives | Tochiro Tatee, Hirotaka Yamamoto, Yuh-ichiro Ichikawa, Aya Narita | 1996-01-16 |
| 5374625 | Adenine and guanine derivatives for the treatment of hepatitis virus infections | Yuh-ichiro Ichikawa, Hiroshi Akaba, Yuka Sugawara, Kenichi Matsubara, Takemitsu Nagahata +2 more | 1994-12-20 |
| 5324730 | Phenoxyphosphoryloxymethyl cyclobutyl purines | Yuh-ichiro Ichikawa, Hiroshi Akaba, Yuka Sugawara, Hideo Sugimura, Kazuhisa Narita +5 more | 1994-06-28 |
| 5302730 | Process for the preparation of 6,7-diacyl-7-deacetylforskolin derivatives | Tochiro Tatee, Hirotaka Yamamoto, Yuh-ichiro Ichikawa, Aya Narita, Chikara Komuro +1 more | 1994-04-12 |
| 5296492 | Certain chroman derivatives useful for treating symptoms caused by contraction of smooth muscles, circulatory diseases or epilepsy | Atsuro Inubushi, Kazuhisa Narita, Yukihiro Sagawa, Makoto Hosono, Masashi Iida | 1994-03-22 |
| 5166397 | Process for producing optically active cyclobutylamines | Kazuhisa Narita, Masashi Nagai, Hideo Sugimura, Yukihiro Sagawa | 1992-11-24 |
| 5103022 | Process for producing an optically active aminoketone derivative | Kazuhisa Narita, Shuji Kurashige, Takeji Sakasai, Kazuo Ohtsuki, Hideo Sugimura +1 more | 1992-04-07 |
| 5057535 | Derivatives of an aminoketone | Michio Ishikawa, Giichi Izumi, Katsuhiko Sakitama, Kazuhisa Narita, Shuji Kurashige +4 more | 1991-10-15 |
| 4954642 | Forskolin compounds | Tochiro Tatee, Takashi Takahira, Kouwa Yamashita, Masao Sakurai, Kazuhisa Narita | 1990-09-04 |
| 4841051 | Phenylpiperazine derivatives | Yuh-ichiro Ichikawa, Takashi Takahira | 1989-06-20 |
| 4308273 | 1,6-Naphthyridine derivatives, and antidinic and cerebral circulation improver containing such derivatives | Hiroshi Yamanaka, Takao Sakamoto, Yuh-ichiro Ichikawa, Michio Ishikawa, Hiroshi Miyazaki | 1981-12-29 |
| 4237141 | Derivatives of .alpha.-methyl-.beta.-aminopropiophenone and use thereof | Shuji Kurashige, Hiroaki Hamano, Yasuhiko Furuta, Masako Ikeda, Hiroshi Miyazaki +2 more | 1980-12-02 |