Inventor · disambiguated record
Mitsumasa Hasegawa
Also filed as: HASEGAWA MITSUMASA
10 granted patents·1 pending application·132 citations·filing 1987–2001
90Inventor score
Top patents by PatentIndex Score
11 records- 0185US4957625ACeramic filter modules in series with piston backwashTOSHIBA CERAMICS CO·Filed 1989·Granted Sep 18, 1990·54 cites·5 claims
- 0255US4909950AProcess and apparatus for separating solid-liquid compositionsTOSHIBA CERAMICS CO·Filed 1989·Granted Mar 20, 1990·15 cites·7 claims
- 0355US4863617AProcess and apparatus for separating solid-liquid compositionsTOSHIBA CERAMICS CO·Filed 1988·Granted Sep 5, 1989·15 cites·9 claims
- 0451US4839488AElectric discharge machine using a ceramic filter to filter the working fluidTOSHIBA CERAMICS CO·Filed 1987·Granted Jun 13, 1989·15 cites·9 claims
- 0547US5128107AApparatus for making esterTOSHIBA CERAMICS CO·Filed 1990·Granted Jul 7, 1992·9 cites·3 claims
- 0639US5169918APolymerization apparatus having an effective height/effective inner diameter ratio of at least 4 and a circumferential agitative diameter/effective inner ratio diameter of from 0.7 to 0.9KANEGAFUCHI CHEMICAL IND·Filed 1990·Granted Dec 8, 1992·7 cites·2 claims
- 0737US4897204AProcess and apparatus for gas dissolutionTOSHIBA CERAMICS CO·Filed 1988·Granted Jan 30, 1990·7 cites·13 claims
- 0833US5011603ACeramic filterTOSHIBA CERAMICS CO·Filed 1990·Granted Apr 30, 1991·5 cites·3 claims
- 0932US5478055ASlide gate plate for casting and method for mounting and removing the sameTOSHIBA CERAMICS CO·Filed 1994·Granted Dec 26, 1995·2 cites·14 claims
- 1030US5278262APolymerization apparatus and batch-wise process for producing vinyl chloride resinKANEGAFUCHI CHEMICAL IND·Filed 1992·Granted Jan 11, 1994·3 cites·10 claims
- 1127US2003032724A1Process for producing graft copolymer latexFiled 2001·Application pending·0 cites
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