Inventor
SHIKADA KEN-ICHI
JP10 patents
Patents
10 patentsUS5314883AMay 24, 1994
5-heteroarylamino-6-oxy-substituted 3(2H)-pyridazinones
NISSAN CHEMICAL IND LTD59 citations95
US5202323AApr 13, 1993
5-arylmethylamino-6-oxy-substituted 3(2h)-pyridazinones
NISSAN CHEMICAL IND LTD21 citations92
US5098900AMar 24, 1992
3(2h)pyridazinone, process for its preparation and anti-allergic agent containing it
NISSAN CHEMICAL IND LTD24 citations91
US4783462ANov 8, 1988
3(2H)pyridazinone, and anti-allergic agent containing it
NISSAN CHEMICAL IND LTD25 citations91
US5955481ASep 21, 1999
Pyridine type thiazolidines
NISSAN CHEMICAL IND LTD19 citations81
US5318968AJun 7, 1994
5-heteroarylamino-6-oxy-substituted 3(2H)-pyridazinones
NISSAN CHEMICAL IND LTD9 citations73
US4978665ADec 18, 1990
3(2H)pyridazinone, and antagonistic agent against SRS-A containing it
NISSAN CHEMICAL IND LTD17 citations73
US4892947AJan 9, 1990
3(2H)Pyridazinone, process for its preparation and anti-allergic agent containing it
NISSAN CHEMICAL IND LTD12 citations72
US5728702AMar 17, 1998
Pyridazinone derivatives with pharmaceutical activity
NISSAN CHEMICAL IND LTD4 citations61
US5929074AJul 27, 1999
Pyridazinone derivatives with pharmaceutical activity
NISSAN CHEMICAL IND LTD1 citations50