Inventor · disambiguated record
Matagoro Maeno
Also filed as: MAENO MATAGORO
13 granted patents·247 citations·filing 1989–1999
92Inventor score
Files withHASHIMOTO CHEMICAL IND7FRONTEC INC1HASHIMOTO CHEMICAL COMPANY LTD1HITACHI PLANT ENG & CONSTR CO1KURITA WATER IND LTD1
Top patents by PatentIndex Score
13 records- 0195US5009963AMetal material with film passivated by fluorination and apparatus composed of the metal materialOHMI TADAHIRO·Filed 1989·Granted Apr 23, 1991·71 cites·6 claims
- 0277US5714407AEtching agent, electronic device and method of manufacturing the deviceFRONTEC INC·Filed 1995·Granted Feb 3, 1998·53 cites·18 claims
- 0368US5073232AMethod of anhydrous hydrogen fluoride etchingHASHIMOTO CHEMICAL IND·Filed 1989·Granted Dec 17, 1991·29 cites·2 claims
- 0465US5100495ADry etching apparatus with diluted anhydrous hydrogen fluoride gas generatorHASHIMOTO CHEMICAL IND·Filed 1991·Granted Mar 31, 1992·33 cites·2 claims
- 0559US5362461AMethod for recovering calcium fluoride from fluoroetchantKURITA WATER IND LTD·Filed 1992·Granted Nov 8, 1994·12 cites·12 claims
- 0656US5803956ASurface treating composition for micro processingHASHIMOTO CHEMICAL COMPANY LTD·Filed 1996·Granted Sep 8, 1998·23 cites·4 claims
- 0740US5382423AApparatus for recovering calcium fluoride from fluoroetchantHITACHI PLANT ENG & CONSTR CO·Filed 1993·Granted Jan 17, 1995·4 cites·1 claims
- 0837US5725907AMetal material formed with fluorocarbon film, process for preparing the material and apparatus made with use of the materialHASHIMOTO CHEMICAL IND·Filed 1996·Granted Mar 10, 1998·5 cites·2 claims
- 0934US5318706AMethod of supplying dilute hydrofluoric acid and apparatus for use in this method for supplying the acidHASHIMOTO CHEMICAL IND·Filed 1992·Granted Jun 7, 1994·8 cites·3 claims
- 1030US6077561AMetal material formed with fluorocarbon film, process for preparing the material and apparatus made with use of the materialHASHIMOTO CHEMICAL IND·Filed 1998·Granted Jun 20, 2000·2 cites·31 claims
- 1130US5605742AMetal material formed with fluorocarbon film, process for preparing the material and apparatus made with use of the materialHASHIMOTO CHEMICAL IND·Filed 1995·Granted Feb 25, 1997·2 cites·3 claims
- 1228US6258411B1Industrial material with fluorine passivated film and process of manufacturing the sameMITSUBISI ALUMINUM COMPANY LTD·Filed 1999·Granted Jul 10, 2001·4 cites·7 claims
- 1322US5837323ASurface improving method of polypropylene products for plating, joining or coatingHASHIMOTO CHEMICAL IND·Filed 1995·Granted Nov 17, 1998·1 cites·1 claims
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