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Seigo Sawada
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Phenanthroindolizidine compound and NFκB inhibitor containing same...
Patent number
9,174,979
Issue date
Nov 3, 2015
Kabushiki Kaisha Yakult Honsha
Takashi Ikeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phenanthroindolizidine derivative and NFκB inhibitor containing sam...
Patent number
8,569,327
Issue date
Oct 29, 2013
Kabushiki Kaisha Yakult Honsha
Takashi Ikeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
γ-secretase inhibitor
Patent number
8,501,813
Issue date
Aug 6, 2013
Kabushiki Kaisha Yakult Honsha
Atsuhiro Abe
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for production of camptothecin derivative
Patent number
8,476,438
Issue date
Jul 2, 2013
Kabushiki Kaisha Yakult Honsha
Seigo Sawada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing tricyclic ketone
Patent number
8,466,287
Issue date
Jun 18, 2013
Kabushiki Kaisha Yakult Honsha
Hiroyuki Nishiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing tricyclic ketone
Patent number
8,067,595
Issue date
Nov 29, 2011
Kabushiki Kaisha Yakult Honsha
Hiroyuki Nishiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acid addition salt of irinotecan
Patent number
7,897,772
Issue date
Mar 1, 2011
Kabushiki Kaisha Yakult Honsha
Hideaki Shimizu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Irinotecan preparation
Patent number
7,846,473
Issue date
Dec 7, 2010
Terumo Kabushiki Kaisha
Keisuke Yoshino
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for preparing polymorphism of irinotecan hydrochloride
Patent number
7,488,825
Issue date
Feb 10, 2009
Kabushiki Kaisha Yakult Honsha
Hideaki Shimizu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of synthesizing camptothecin-relating compounds
Patent number
7,378,555
Issue date
May 27, 2008
Kabushiki Kaisha Yakult Honsha
Takanori Ogawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of synthesizing camptothecin-relating compounds
Patent number
7,126,000
Issue date
Oct 24, 2006
Kabushiki Kaisha Yakult Honsha
Takanori Ogawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing camptothecin
Patent number
6,743,918
Issue date
Jun 1, 2004
Kabushiki Kaisha Yakult Honsha
Takashi Yaegashi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Camptothecin derivatives
Patent number
6,310,210
Issue date
Oct 30, 2001
Kabushiki Kaisha Yakult Honsha
Takanori Ogawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Taxane derivatives
Patent number
6,268,381
Issue date
Jul 31, 2001
Kabushiki Kaisha Yakult Honsha
Hideaki Shimizu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Taxane derivatives
Patent number
6,136,808
Issue date
Oct 24, 2000
Kabushiki Kaisha Yakult Honsha
Atsuhiro Abe
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Taxane derivatives and drugs containing the same
Patent number
6,025,385
Issue date
Feb 15, 2000
Kabushiki Kaisha Yakult Honsha
Hideaki Shimizu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Camptothecin derivatives, preparations thereof and antitumor agents
Patent number
5,843,954
Issue date
Dec 1, 1998
Kabushiki Kaisha Yakult Honsha
Takashi Yaegashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Camptothecin derivatives
Patent number
5,061,800
Issue date
Oct 29, 1991
Kabushiki Kaisha Yakult Honsha
Takashi Yaegashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Camptothecin derivatives
Patent number
4,914,205
Issue date
Apr 3, 1990
Kabushiki Kaisha Yakult Honsha
Seigo Sawada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Camptothecin derivatives
Patent number
RE32518
Issue date
Oct 13, 1987
Kabushiki Kaisha Yakult Honsha
Tadashi Miyasaka
546 - Organic compounds
Information
Patent Grant
Camptothecin derivatives and process for preparing same
Patent number
4,604,463
Issue date
Aug 5, 1986
Kabushiki Kaisha Yakult Honsha
Tadashi Miyasaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochemical process for preparing camptothecin derivatives
Patent number
4,545,880
Issue date
Oct 8, 1985
Kabushiki Kaisha Yakult Honsha
Tadashi Miyasaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Camptothecin-1-oxide derivatives
Patent number
4,513,138
Issue date
Apr 23, 1985
Kabushiki Kaisha Yakult Honsha
Tadashi Miyasaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Camptothecin derivatives and process for preparing same
Patent number
4,473,692
Issue date
Sep 25, 1984
Kabushiki Kaisha Yakult Honsha
Tadashi Miyasaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
7-Substituted camptothecin derivatives
Patent number
4,399,276
Issue date
Aug 16, 1983
Kabushiki Kaisha Yakult Honsha
Tadashi Miyasaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Camptothecin derivatives
Patent number
4,399,282
Issue date
Aug 16, 1983
Kabushiki Kaisha Yakult Honsha
Tadashi Miyasaka
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Process for Production of Camptothecin Derivative
Publication number
20120142926
Publication date
Jun 7, 2012
KABUSHIKI KAISHA YAKULT HONSHA
Seigo Sawada
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCING TRICYCLIC KETONE
Publication number
20120041204
Publication date
Feb 16, 2012
KABUSHIKI KAISHA YAKULT HONSHA
Hiroyuki Nishiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHENANTHROINDOLIZIDINE DERIVATIVE AND NFKB INHIBITOR CONTAINING SAM...
Publication number
20110201637
Publication date
Aug 18, 2011
KABUSHIKI KAISHA YAKULT HONSHA
Takashi Ikeda
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHENANTHROINDOLIZIDINE COMPOUND AND NFkB INHIBITOR CONTAINING SAME...
Publication number
20110201638
Publication date
Aug 18, 2011
KABUSHIKI KAISHA YAKULT HONSHA
Takashi Ikeda
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NOVEL GAMMA-SECRETASE INHIBITOR
Publication number
20110071224
Publication date
Mar 24, 2011
KABUSHIKI KAISHA YAKULT HONSHA
Atsuhiro Abe
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Process for producing tricyclic ketone
Publication number
20090023927
Publication date
Jan 22, 2009
KABUSHIKI KAISHA YAKULT HONSHA
Hiroyuki Nishiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Irinotecan Preparation
Publication number
20080069868
Publication date
Mar 20, 2008
Terumo Kabushiki Kaisha
Keisuke Yoshino
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Acid Addition Salt of Irinotecan
Publication number
20070299099
Publication date
Dec 27, 2007
KABUSHIKI KAISHA YAKULT HONSHA
Hideaki Shimizu
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of synthesizing camptothecin-relating compounds
Publication number
20070010674
Publication date
Jan 11, 2007
KABUSHIKI KAISHA YAKULT HONSHA
Takanori Ogawa
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for preparing polymorphism of irinotecan hydrochloride
Publication number
20060234904
Publication date
Oct 19, 2006
KABUSHIKI KAISHA YAKULT HONSHA
Hideaki Shimizu
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of synthesizing camptothecin-relating compounds
Publication number
20040106830
Publication date
Jun 3, 2004
Takanori Ogawa
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCING CAMPTOTHECIN
Publication number
20040087609
Publication date
May 6, 2004
Takashi Yaegashi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE