Inventor
MAESHIMA TSUGIO
11 patents
⚠️ This page may combine multiple inventors who share the name “MAESHIMA TSUGIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOA NENRYO KOGYO KK
10 patentsUS4046888ASep 6, 1977
Methods for catalytic reduction of nitrogen oxides
TOA NENRYO KOGYO KK59 citations93
US4977120ADec 11, 1990
Binderless zeolite catalysts, production thereof and catalytic reaction therewith
TOA NENRYO KOGYO KK25 citations92
US4781904ANov 1, 1988
Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing same
TOA NENRYO KOGYO KK35 citations92
US4794171ADec 27, 1988
Calcium-phosphate type hydroxyapatite and process for producing same
TOA NENRYO KOGYO KK38 citations91
US4052337AOct 4, 1977
Catalyst for reduction of nitrogen oxides and process for preparing same
TOA NENRYO KOGYO KK42 citations91
US5098894AMar 24, 1992
Binderless zeolite catalysts, production thereof and catalytic reaction therewith
TOA NENRYO KOGYO KK19 citations81
US5082566AJan 21, 1992
Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing same
TOA NENRYO KOGYO KK20 citations81
US4454367AJun 12, 1984
Process for the low polymerization of isobutene
TOA NENRYO KOGYO KK22 citations80
US4513166AApr 23, 1985
Process for the low polymerization of isobutene
TOA NENRYO KOGYO KK5 citations72
US5217699AJun 8, 1993
Calcium-phosphate type hydroxyapatite
TOA NENRYO KOGYO KK14 citations71