Inventor · disambiguated record
Tsugio Maeshima
Also filed as: MAESHIMA TSUGIO
11 granted patents·303 citations·filing 1976–1991
92Inventor score
Top patents by PatentIndex Score
11 records- 0189US4046888AMethods for catalytic reduction of nitrogen oxidesTOA NENRYO KOGYO KK·Filed 1976·Granted Sep 6, 1977·59 cites·11 claims
- 0287US4781904ACalcium-phosphate type hydroxyapatite for chromatographic separation and process for producing sameTOA NENRYO KOGYO KK·Filed 1986·Granted Nov 1, 1988·35 cites·6 claims
- 0387US4454367AProcess for the low polymerization of isobuteneTOA NENRYO KOGYO KK·Filed 1983·Granted Jun 12, 1984·22 cites·13 claims
- 0484US4052337ACatalyst for reduction of nitrogen oxides and process for preparing sameTOA NENRYO KOGYO KK·Filed 1976·Granted Oct 4, 1977·42 cites·2 claims
- 0582US4794171ACalcium-phosphate type hydroxyapatite and process for producing sameTOA NENRYO KOGYO KK·Filed 1986·Granted Dec 27, 1988·38 cites·10 claims
- 0675US5082566ACalcium-phosphate type hydroxyapatite for chromatographic separation and process for producing sameTOA NENRYO KOGYO KK·Filed 1988·Granted Jan 21, 1992·20 cites·25 claims
- 0771US4977120ABinderless zeolite catalysts, production thereof and catalytic reaction therewithTOA NENRYO KOGYO KK·Filed 1988·Granted Dec 11, 1990·25 cites·3 claims
- 0870US4104361ACatalyst for reduction of nitrogen oxides and process for preparing the sameEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Aug 1, 1978·24 cites·12 claims
- 0960US5098894ABinderless zeolite catalysts, production thereof and catalytic reaction therewithTOA NENRYO KOGYO KK·Filed 1990·Granted Mar 24, 1992·19 cites·11 claims
- 1051US5217699ACalcium-phosphate type hydroxyapatiteTOA NENRYO KOGYO KK·Filed 1991·Granted Jun 8, 1993·14 cites·1 claims
- 1141US4513166AProcess for the low polymerization of isobuteneTOA NENRYO KOGYO KK·Filed 1984·Granted Apr 23, 1985·5 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Tsugio Maeshima files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →