Yasutaka Takase has been granted 12 US patents while listed as an inventor at Eisai . The first was granted in 1996 and the most recent in May 2011. Yasutaka Takase ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Yasutaka Takase in Ibaraki, MA, JP.
Patents per Year Patents granted per year, 1996 to 2011 Bar chart with a peak of 3 patents in 1997. peak 3 1996: 1 patents 1996 1997: 3 patents 1997 1998: 3 patents 1998 2001: 1 patents 2001 2002: 1 patents 2002 2004: 1 patents 2004 2006: 1 patents 2006 2011: 1 patents 2011 Issued Patents All Time
Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date
7939540 4-(3-benzoylaminophenyl)-6,7-dimethoxy-2-methylaminoquinazoline derivatives Kazuki Miyazaki , Kazutomi Kusano , Osamu Asano , Manabu Shirato , Hisashi Wakita +2 more 2011-05-10
7074801 Nitrogen-containing condensed cyclic compound having a pyrazolyl group as a substituent group and pharmaceutical composition thereof Ichiro Yoshida , Naoki Yoneda , Yoshiaki Ohashi , Shuichi Suzuki , Mitsuaki Miyamoto +7 more 2006-07-11
6800644 Nitrogen-containing heterocyclic compounds and medicaments containing the compounds Kazuki Miyazaki , Takao Saeki 2004-10-05
6352989 Nitrogenous heterocyclic derivatives and medicine thereof Kazuki Miyazaki , Takao Saeki 2002-03-05
6218392 Fused pyridazine compounds Nobuhisa Watanabe , Yasuhiro Kabasawa , Fumihiro Ozaki , Keiji Ishibashi , Kazuki Miyazaki +6 more 2001-04-17
5849741 Fused pyridazine compounds Nobuhisa Watanabe , Yasuhiro Kabasawa , Fumihiro Ozaki , Keiji Ishibashi , Kazuki Miyazaki +6 more 1998-12-15
5801180 Quinazoline derivatives Nobuhisa Watanabe , Makoto Matsui , Hironori Ikuta , Teiji Kimura , Takao Saeki +5 more 1998-09-01
5707998 Nitrogen-containing fused-heterocycle compounds Nobuhisa Watanabe , Hideyuki Adachi , Kohtaro Kodama , Hiroki Ishihara , Takao Saeki +1 more 1998-01-13
5693652 Benzimidazoles for ischemic heart conditions Nobuhisa Watanabe , Makoto Matsui , Hironori Ikuta , Teiji Kimura , Takao Saeki +5 more 1997-12-02
5668136 Trisubstituted benzene derivatives, composition and methods of treatment Teiji Kimura , Nobuhisa Watanabe , Kenji Hayashi , Makoto Matsui , Hironori Ikuta +8 more 1997-09-16
5614627 Quinazoline compounds Nobuhisa Watanabe , Hideyuki Adachi , Kohtaro Kodama , Hiroki Ishihara , Takao Saeki +1 more 1997-03-25
5576322 Anti-ischemic 2,4-diaminoquinazolines Nobuhisa Watanabe , Makoto Matsui , Hironori Ikuta , Teiji Kimura , Takao Saeki +5 more 1996-11-19