HY

Hirotaka Yamamoto

NK Nippon Kayaku: 4 patents #176 of 1,103Top 20%
Overall (All Time): #1,053,764 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5610315 Process for the preparation of 6,7-diacyl-7-deacetylforskolin derivatives Tochiro Tatee, Akira Shiozawa, 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, Akira Shiozawa, Yuh-ichiro Ichikawa, Aya Narita 1996-01-16
5302730 Process for the preparation of 6,7-diacyl-7-deacetylforskolin derivatives Tochiro Tatee, Akira Shiozawa, Yuh-ichiro Ichikawa, Aya Narita, Chikara Komuro +1 more 1994-04-12
5103022 Process for producing an optically active aminoketone derivative Akira Shiozawa, Kazuhisa Narita, Shuji Kurashige, Takeji Sakasai, Kazuo Ohtsuki +1 more 1992-04-07
5057535 Derivatives of an aminoketone Akira Shiozawa, Michio Ishikawa, Giichi Izumi, Katsuhiko Sakitama, Kazuhisa Narita +4 more 1991-10-15