Inventor · disambiguated record
Toshio Sawa
Also filed as: NISHIMURA TSUKASA · SAWA TOSHIO
19 granted patents·1 pending application·523 citations·filing 1973–2002
96Inventor score
Top patents by PatentIndex Score
20 records- 0190US3966562AMulti-stage flash distillation plantAGENCY IND SCIENCE TECHN·Filed 1974·Granted Jun 29, 1976·56 cites·6 claims
- 0288US4028237AMethod and apparatus for treatment of fluorine-containing waste watersHITACHI LTD·Filed 1976·Granted Jun 7, 1977·35 cites·3 claims
- 0386US4594878ADynamic friction coefficient measuring apparatusNIPPO SANGYO·Filed 1984·Granted Jun 17, 1986·53 cites·11 claims
- 0485US4927598ARadioactivity reduction method of a nuclear power plant and a nuclear power plant reduced in radioactivityHITACHI LTD·Filed 1988·Granted May 22, 1990·27 cites·7 claims
- 0584US5087017AValve body for non-sliding type gate valveIRIE KOKEN KK·Filed 1990·Granted Feb 11, 1992·54 cites·2 claims
- 0682US4894202AMethod of inhibiting radioactive substances from eluting into cooling water in a nuclear plant and an apparatus thereforHITACHI LTD·Filed 1987·Granted Jan 16, 1990·23 cites·13 claims
- 0781US5398269AWater quality control method and device for nuclear power plant, and nuclear power plantHITACHI LTD·Filed 1993·Granted Mar 14, 1995·24 cites·23 claims
- 0877US5028298AWaste water concentrator and waste water disposal plantHITACHI LTD·Filed 1988·Granted Jul 2, 1991·39 cites·8 claims
- 0975US5002255ANon-sliding gate valve for high vacuum useIRIE KOKEN KK·Filed 1990·Granted Mar 26, 1991·41 cites·3 claims
- 1072US4085194AWaste flue gas desulfurizing methodHITACHI LTD·Filed 1973·Granted Apr 18, 1978·26 cites·20 claims
- 1171US4280886AMethod for treatment of sewageHITACHI LTD·Filed 1979·Granted Jul 28, 1981·22 cites·17 claims
- 1269US5377245AMethod of operating BWR plant, BWR plant and metal element injecting apparatusHITACHI LTD·Filed 1993·Granted Dec 27, 1994·26 cites·32 claims
- 1367US4294697AApparatus for treatment of sewageHITACHI LTD·Filed 1979·Granted Oct 13, 1981·19 cites·12 claims
- 1464US6679106B1Road surface roughness measuring deviceNIPPO SANGYO·Filed 2000·Granted Jan 20, 2004·15 cites·1 claims
- 1561US3932150AVacuum deaeratorAGENCY IND SCIENCE TECHN·Filed 1974·Granted Jan 13, 1976·21 cites·4 claims
- 1659US5463880AAbsorption refrigeratorHITACHI LTD·Filed 1994·Granted Nov 7, 1995·23 cites·22 claims
- 1744US4080289AApparatus for treating waste water or solutionHITACHI LTD AND HITACHI PLANT·Filed 1976·Granted Mar 21, 1978·11 cites·35 claims
- 1839US2004187556A1Method for measuring coefficient of frictionABE HIRONARI·Filed 2002·Application pending·0 cites
- 1935US4154673AMethod of treatment of waste water containing sulfur compoundsBABCOCK HITACHI KK·Filed 1977·Granted May 15, 1979·5 cites·7 claims
- 2029US5158674ARadioactive waste liquid treatment apparatusKIKUCHI MAKOTO·Filed 1990·Granted Oct 27, 1992·3 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →