P

Inventor

KAWANO YASUHIKO

JP18 patents
⚠️ This page may combine multiple inventors who share the name “KAWANO YASUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TAKEDA CHEMICAL INDUSTRIES LTD

14 patents
US6924292B2Aug 2, 2005

Furoisoquinoline derivatives, process for producing the same and use thereof

TAKEDA CHEMICAL INDUSTRIES LTD52 citations92
US5389633AFeb 14, 1995

Triazolopyridazine compounds, their production and use

TAKEDA CHEMICAL INDUSTRIES LTD29 citations92
US6627630B1Sep 30, 2003

Condensed pyridazine derivatives, their production and use

TAKEDA CHEMICAL INDUSTRIES LTD31 citations90
US6248740B1Jun 19, 2001

Condensed pyridazine derivatives, their production and use

TAKEDA CHEMICAL INDUSTRIES LTD17 citations81
US5491145AFeb 13, 1996

Imidazopyridazines, their production and use

TAKEDA CHEMICAL INDUSTRIES LTD10 citations73
US4851422AJul 25, 1989

Antibiotic 2-(3-oxo-2-isoxazolidinyl)-5-oxo-2-tetrahydrofuran-carboxylates

TAKEDA CHEMICAL INDUSTRIES LTD11 citations73
US4751299AJun 14, 1988

Optically active β-lactams and method of their production

TAKEDA CHEMICAL INDUSTRIES LTD21 citations72
US6610694B1Aug 26, 2003

Condensed pyridazine compounds, their production and use

TAKEDA CHEMICAL INDUSTRIES LTD12 citations71
US4105670AAug 8, 1978

Spiro[cyclopropane-1,2'-indolin]-3'-ones

TAKEDA CHEMICAL INDUSTRIES LTD7 citations68
US5369104ANov 29, 1994

Pyridazine compounds, their production and use

TAKEDA CHEMICAL INDUSTRIES LTD6 citations62
US4183859AJan 15, 1980

Thenoylindan derivatives

TAKEDA CHEMICAL INDUSTRIES LTD0 citations52
US5482939AJan 9, 1996

Triazolopyridazine compounds, their production and use

TAKEDA CHEMICAL INDUSTRIES LTD1 citations51
US3992370ANov 16, 1976

1,1-Dichloro-1a,1b-dihydrodibenzo(b,f)cycloprop(d)azepine-6(1H)-carboxaldehyde

TAKEDA CHEMICAL INDUSTRIES LTD1 citations46
US4154731AMay 15, 1979

Spiro[cyclopropane-1,2'-indolin]-3'-ones

TAKEDA CHEMICAL INDUSTRIES LTD0 citations36

TAKEDA PHARMACEUTICAL

3 patents

MAEDA SADAYUKI

1 patent