Inventor · disambiguated record
Yoshio Murakami
Also filed as: MATSUURA SHUNJI · MURAKAMI YOSHIO
32 granted patents·4 pending applications·566 citations·filing 1975–2009
97Inventor score
Files withJAPAN ATOMIC ENERGY RES INST9SUMCO CORP5SUMITOMO MITSUBISHI SILICON3MITSUI MINING & SMELTING CO2ROHM CO LTD2
Top patents by PatentIndex Score
36 records- 0195US4065369AActivated gas reaction apparatus & methodTOKYO SHIBAURA ELECTRIC CO·Filed 1976·Granted Dec 27, 1977·81 cites·10 claims
- 0290US5373157AQuadrupole electrode and process for producing the sameJAPAN ATOMIC ENERGY RES INST·Filed 1992·Granted Dec 13, 1994·62 cites·10 claims
- 0384US5445862APorous film and process for production thereofTOKUYAMA CORP·Filed 1994·Granted Aug 29, 1995·43 cites·38 claims
- 0483US4147468AImpeller type pump having seal means and protective meansMITSUI MINING & SMELTING CO·Filed 1977·Granted Apr 3, 1979·32 cites·6 claims
- 0582US4099890AImpeller type pump having seal means and protective meansMITSUI MINING & SMELTING CO·Filed 1975·Granted Jul 11, 1978·43 cites·4 claims
- 0678US4583394ADevice and method for leak locationJAPAN ATOMIC ENERGY RES INST·Filed 1984·Granted Apr 22, 1986·31 cites·20 claims
- 0774US4190516ACathodeTOKUYAMA SODA KK·Filed 1978·Granted Feb 26, 1980·24 cites·11 claims
- 0868US5854477AReusable ticket processing apparatus and ticket regenerating apparatusOKI ELECTRIC IND CO LTD·Filed 1997·Granted Dec 29, 1998·45 cites·6 claims
- 0967US7253069B2Method for manufacturing silicon-on-insulator waferSUMITOMO MITSUBISHI SILICON·Filed 2005·Granted Aug 7, 2007·2 cites·12 claims
- 1066US4988130AMetal seal flange assemblyJAPAN ATOMIC ENERGY RES INST·Filed 1989·Granted Jan 29, 1991·31 cites·5 claims
- 1164US6348261B1Silicon waferMITSUBISHI MATERIAL SILICON·Filed 2000·Granted Feb 19, 2002·5 cites·2 claims
- 1264US4152096APump having seal means and protective meansMITSUI KINZOKU ENGR SERVICE CO·Filed 1977·Granted May 1, 1979·18 cites·2 claims
- 1358US7195863B2Development defect preventing process and materialAZ ELECTRONIC MATERIALS USA·Filed 2001·Granted Mar 27, 2007·8 cites·7 claims
- 1453US5630592AMetal gasket, vacuum flange for the metal gasket, and vacuum seal structure using the metal gasketJAPAN ATOMIC ENERGY RES INST·Filed 1996·Granted May 20, 1997·23 cites·9 claims
- 1553US4844323AMethod for joining ceramicsNIHON SINKU GIJUTSU KABUSIKI K·Filed 1988·Granted Jul 4, 1989·12 cites·6 claims
- 1650US7067005B2Silicon wafer production process and silicon waferSUMITOMO MITSUBISHI SILICON·Filed 2004·Granted Jun 27, 2006·5 cites·7 claims
- 1749US5013466ALubricating greaseJAPAN ATOMIC ENERGY RES INST·Filed 1990·Granted May 7, 1991·11 cites·1 claims
- 1849US2010062588A1Method of manufacturing semiconductor substrateSUMCO CORP·Filed 2009·Application pending·0 cites
- 1948US5632597AThread groove type vacuum pumpOSAKA VACUUM LTD·Filed 1996·Granted May 27, 1997·16 cites·4 claims
- 2047US7910463B2Method of producing SIMOX waferSUMCO CORP·Filed 2007·Granted Mar 22, 2011·0 cites·5 claims
- 2147US7550371B2Method of producing SIMOX waferSUMCO CORP·Filed 2007·Granted Jun 23, 2009·0 cites·5 claims
- 2245US7229496B2Process for producing silicon single crystal layer and silicon single crystal layerSUMITOMO MITSUBISHI SILICON·Filed 2003·Granted Jun 12, 2007·1 cites·5 claims
- 2344US5451549ASemiconductor dicing method which uses variable sawing speedsROHM CO LTD·Filed 1994·Granted Sep 19, 1995·17 cites·21 claims
- 2444US2007224778A1Method of producing SIMOX waferMURAKAMI YOSHIO·Filed 2007·Application pending·0 cites
- 2543US5494549ADicing methodROHM CO LTD·Filed 1993·Granted Feb 27, 1996·14 cites·4 claims
- 2643US2007224773A1Method of producing simox waferSUMCO CORP·Filed 2007·Application pending·0 cites
- 2742US5277942AInsulating member and electric parts using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Jan 11, 1994·9 cites·11 claims
- 2842US2009057811A1Simox wafer manufacturing method and simox waferSUMCO CORP·Filed 2008·Application pending·0 cites
- 2941US5177359AQuadrupole mass spectrometer having plural stable regionsJAPAN ATOMIC ENERGY RES INST·Filed 1991·Granted Jan 5, 1993·8 cites·5 claims
- 3040US5280206AArmature statorSEIKO SEIKI KK·Filed 1992·Granted Jan 18, 1994·10 cites·19 claims
- 3134US6845847B2Lubrication system and its modification methodTOSHIBA KK·Filed 2003·Granted Jan 25, 2005·0 cites·14 claims
- 3234US5653854AMethod and apparatus for separating isotopesJAPAN ATOMIC ENERGY RES INST·Filed 1996·Granted Aug 5, 1997·6 cites·1 claims
- 3331US5603788AMethod of manufacturing a ceramics-type vacuum vesselSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Feb 18, 1997·2 cites·20 claims
- 3431US5075200AProcess of forming superconductive wiring stripMITSUBISHI METAL CORP·Filed 1988·Granted Dec 24, 1991·3 cites·10 claims
- 3529US5805972AMethod and apparatus for separating isotopesJAPAN ATOMIC ENERGY RES INST·Filed 1997·Granted Sep 8, 1998·2 cites·1 claims
- 3627US4582728AProcess for preparing a titanium carbide filmJAPAN ATOMIC ENERGY RES INST·Filed 1983·Granted Apr 15, 1986·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Yoshio Murakami 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 →