Inventor
HIBI SHIGEKI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “HIBI SHIGEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EISAI CO LTD
32 patentsUS5612356AMar 18, 1997
Heterocycle-containing carbonic acid derivatives
EISAI CO LTD106 citations97
US6630463B2Oct 7, 2003
Heterocycle-containing carboxylic acid derivative and drug containing the same
EISAI CO LTD62 citations96
US6329402B1Dec 11, 2001
Heterocycle-containing carboxylic acid derivative and drug containing the same
EISAI CO LTD47 citations96
US5977108ANov 2, 1999
Heterocycle-containing carboxylic acid derivative and drug containing the same
EISAI CO LTD68 citations96
US5385942AJan 31, 1995
Quinone derivatives and pharmacological use
EISAI CO LTD48 citations95
US5210239AMay 11, 1993
Ouinone derivatives and pharmacological use
EISAI CO LTD49 citations95
US7091215B2Aug 15, 2006
Pyrazolo[1,5-a]pyridines and medicines containing the same
EISAI CO LTD25 citations92
US7078405B2Jul 18, 2006
Imidazo[1,2-b]pyridazine compound
EISAI CO LTD19 citations92
US6884808B2Apr 26, 2005
Heterocycle-containing carboxylic acid derivative and drug containing the same
EISAI CO LTD30 citations92
US6541474B2Apr 1, 2003
Heterocycle-containing carboxylic acid derivative and drug containing the same
EISAI CO LTD24 citations92
US6358995B1Mar 19, 2002
Carboxylic acid derivatives having fused rings
EISAI CO LTD20 citations92
US6110959AAug 29, 2000
Carboxylic acid derivatives having fused rings
EISAI CO LTD19 citations92
US5977125ANov 2, 1999
Mono-or polyenic carboxylic acid derivatives
EISAI CO LTD23 citations92
US7176216B2Feb 13, 2007
7-phenylpyrazolopyridine compounds
EISAI CO LTD13 citations83
US6030964AFeb 29, 2000
Mono- or polyenic carboxylic acid derivatives
EISAI CO LTD15 citations81
US5389643AFeb 14, 1995
Aminobenzoic acid derivatives useful for treating gastro-intestinal conditions
EISAI CO LTD10 citations74
US6995163B2Feb 7, 2006
Tricyclic fused heterocyclic compound, process for preparing it and medicament comprising it
EISAI CO LTD8 citations73
US6951865B2Oct 4, 2005
Fused heterotricyclic compounds, process for preparing the compounds and drugs containing the same
EISAI CO LTD10 citations73
US6927221B2Aug 9, 2005
Tricyclic fused heterocyclic compound, process for preparing it and medicament comprising it
EISAI CO LTD11 citations73
US6121309ASep 19, 2000
Fused-ring carboxylic acid derivatives
EISAI CO LTD13 citations73
US5599972AFeb 4, 1997
Aminobenzoic acid derivatives
EISAI CO LTD3 citations63
US6420363B1Jul 16, 2002
Mono- or polyenic carboxylic acid derivatives
EISAI CO LTD3 citations62
US6291508B1Sep 18, 2001
Mono- or polyenic carboxylic acid derivatives
EISAI CO LTD1 citations62
US6133283AOct 17, 2000
Mono- or polyenic carboxylic acid derivatives
EISAI CO LTD1 citations62
US5635519AJun 3, 1997
Benzothiazole compounds which are substituted by pyridymethyl
EISAI CO LTD3 citations62
US5329010AJul 12, 1994
Quinone derivatives
EISAI CO LTD3 citations62
US5300518AApr 5, 1994
Pyridyl substituted benzothiazole compounds which have useful pharmaceutical utility
EISAI CO LTD1 citations62
US5298649AMar 29, 1994
Naphthalene derivative
EISAI CO LTD4 citations62
US5134111AJul 28, 1992
Naphthalene derivative
EISAI CO LTD3 citations62
US5631402AMay 20, 1997
Process for preparing aminobenzoic acid derivatives
EISAI CO LTD0 citations52
US5578603ANov 26, 1996
Aminobenzoic acid derivatives
EISAI CO LTD0 citations52
US5420144AMay 30, 1995
Pyridyl substituted benzothiazole compounds which have useful pharmaceutical utility
EISAI CO LTD0 citations52
EISAI R&D MAN CO LTD
4 patentsUS7285666B2Oct 23, 2007
Pyrazolo[1,5-a] pyridines and medicines containing the same
EISAI R&D MAN CO LTD21 citations92
US7772249B2Aug 10, 2010
Imidazo[1,2-b]pyridazine compound
EISAI R&D MAN CO LTD6 citations73
US7625925B2Dec 1, 2009
Pyrazolo[1,5-a]pyridines and medicines containing the same
EISAI R&D MAN CO LTD6 citations73
US7323569B2Jan 29, 2008
7-phenylpyrazolopyridine compounds
EISAI R&D MAN CO LTD8 citations72