Inventor · disambiguated record
Keiji Mitarai
Also filed as: MITARAI KEIJI · TAKITANI MASARU
7 granted patents·154 citations·filing 1977–1989
86Inventor score
Top patents by PatentIndex Score
7 records- 0194US4157379AProcess for producing chain structured corpuscular calcium carbonateTOYO SODA MFG CO LTD·Filed 1977·Granted Jun 5, 1979·56 cites·8 claims
- 0285US4758600AProcess for the manufacture of ethanolAGENCY IND SCIENCE TECHN·Filed 1986·Granted Jul 19, 1988·61 cites·10 claims
- 0379US4625064AMethod for producing bis [β(N,N-dimethylamino)ethyl]etherTOYO SODA MFG CO LTD·Filed 1984·Granted Nov 25, 1986·15 cites·6 claims
- 0465US4845297AProcess for producing polyaminesTOYO SODA MFG CO LTD·Filed 1987·Granted Jul 4, 1989·7 cites·26 claims
- 0557US4980507AProcess for producing polyethylenepolyamineTOSOH CORP·Filed 1989·Granted Dec 25, 1990·6 cites·7 claims
- 0649US4492803AMethod for producing bis[β-(N,N-dimethylamino)alkyl]-etherTOYO SODA MFG CO LTD·Filed 1983·Granted Jan 8, 1985·3 cites·14 claims
- 0732US5039424AMethod for treating an amine-containing waste waterTOSOH CORP·Filed 1989·Granted Aug 13, 1991·6 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →