Inventor · disambiguated record
Masakazu Watanabe
Also filed as: WATANABE MASAKAZU
64 granted patents·8 pending applications·1,331 citations·filing 1980–2025
99Inventor score
Files withNGK SPARK PLUG CO34DENSO CORP8NIPPON PAINT CO LTD8ROLAND CORP4SUMITOMO ELECTRIC INDUSTRIES4
Top patents by PatentIndex Score
72 records- 0189US4748138AHighly toughened, sintered mass of zirconiaNGK SPARK PLUG CO·Filed 1984·Granted May 31, 1988·45 cites·32 claims
- 0287US6256868B1Assembly process apparatusDENSO CORP·Filed 1999·Granted Jul 10, 2001·63 cites·7 claims
- 0387US6128657ALoad sharing systemFUJITSU LTD·Filed 1996·Granted Oct 3, 2000·344 cites·14 claims
- 0486US6827129B2Vehicle-mounted structure for heat exchangerDENSO CORP·Filed 2001·Granted Dec 7, 2004·40 cites·22 claims
- 0583US6863929B2Method for forming coated film and intermediate coating materialNIPPON PAINT CO LTD·Filed 2003·Granted Mar 8, 2005·24 cites·12 claims
- 0683US4701426ASilicon carbide-graphite composite materialNGK SPARK PLUG CO·Filed 1985·Granted Oct 20, 1987·31 cites·17 claims
- 0783US4690909ASilicon carbide-graphite composite material and process for producing sameNGK SPARK PLUG CO·Filed 1986·Granted Sep 1, 1987·30 cites·10 claims
- 0882US4626517AHigh toughness sintered bodiesNGK SPARK PLUG CO·Filed 1985·Granted Dec 2, 1986·29 cites·4 claims
- 0981US4668452AProcess for producing silicon carbide heating elementsNGK SPARK PLUG CO·Filed 1985·Granted May 26, 1987·33 cites·6 claims
- 1076US6903937B2Outer casing of electric equipmentFUNAI ELECTRIC CO·Filed 2004·Granted Jun 7, 2005·11 cites·9 claims
- 1175USD1038079SAudio mixerROLAND CORP·Filed 2023·Granted Aug 6, 2024·4 cites·1 claims
- 1275US5028451AMethod of producing sintered hard metal with diamond filmIDEMITSU PETROCHEMICAL CO·Filed 1990·Granted Jul 2, 1991·28 cites·9 claims
- 1374US5045513ASintered body of silicon nitride and its manufactureNGK SPARK PLUG CO·Filed 1989·Granted Sep 3, 1991·23 cites·4 claims
- 1474US4946807AComposite ceramic material reinforced with silicon carbide whiskersNGK SPARK PLUG CO·Filed 1987·Granted Aug 7, 1990·24 cites·23 claims
- 1574US4833871AApparatus for inserting optical fibers into a spacer having spiral groovesSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted May 30, 1989·33 cites·7 claims
- 1674US4626518AMethod for manufacturing high toughness sintered bodiesNGK SPARK PLUG CO·Filed 1984·Granted Dec 2, 1986·22 cites·2 claims
- 1773US7767898B2Display equipment and display program for electronic musical instrumentsROLAND CORP·Filed 2007·Granted Aug 3, 2010·8 cites·24 claims
- 1873US5151125AAqueous coating compositionNIPPON PAINT CO LTD·Filed 1991·Granted Sep 29, 1992·24 cites·9 claims
- 1972US8489933B2Data processing device and method for memory dump collectionYOSHIDA KAZUHIRO·Filed 2011·Granted Jul 16, 2013·5 cites·7 claims
- 2072US4626392AProcess for producing ceramic body for surgical implantationNGK SPARK PLUG CO·Filed 1985·Granted Dec 2, 1986·77 cites·4 claims
- 2169US5318836ADiamond-coated bodyIDEMITSU PETROCHEMICAL CO·Filed 1990·Granted Jun 7, 1994·22 cites·6 claims
- 2268US6641195B2Vehicular cockpit module assembly and assembling methodDENSO CORP·Filed 2001·Granted Nov 4, 2003·18 cites·12 claims
- 2368US5039343AWater borne metallic coating compositionNIPPON PAINT CO LTD·Filed 1990·Granted Aug 13, 1991·23 cites·10 claims
- 2468US4336216AProcess for producing silicon carbide heating elementsNGK SPARK PLUG CO·Filed 1980·Granted Jun 22, 1982·21 cites·7 claims
- 2565US5705271AMethod for producing diamond coated memberNGK SPARK PLUG CO·Filed 1995·Granted Jan 6, 1998·24 cites·6 claims
- 2665US4695517AComposite layer aluminum nitride base sintered bodyNGK SPARK PLUG CO·Filed 1986·Granted Sep 22, 1987·26 cites·6 claims
- 2765US4638268AMicrowave absorber comprised of a dense silicon carbide body which is water cooledNGK SPARK PLUG CO·Filed 1984·Granted Jan 20, 1987·15 cites·3 claims
- 2864US5270392AHydroxyl polyglycidyl ether or acrylic copolymer with anhydride copolymerNIPPON PAINT CO LTD·Filed 1991·Granted Dec 14, 1993·22 cites·10 claims
- 2963US4375517ASintered cubic boron nitride and process for producing the sameNGK SPARK PLUG CO·Filed 1981·Granted Mar 1, 1983·17 cites·5 claims
- 3063US2024304590A1Semiconductor deviceDENSO CORP·Filed 2024·Application pending·0 cites
- 3162US2024304665A1Switching device and method for manufacturing the sameDENSO CORP·Filed 2024·Application pending·0 cites
- 3262US2025336676A1Method of manufacturing semiconductor deviceDENSO CORP·Filed 2025·Application pending·0 cites
- 3361US4877760AAluminum nitride sintered body with high thermal conductivity and process for producing sameNGK SPARK PLUG CO·Filed 1987·Granted Oct 31, 1989·20 cites·35 claims
- 3461US4800137AComposite layer aluminum nitride base sintered bodyNGK SPARK PLUG CO·Filed 1987·Granted Jan 24, 1989·23 cites·16 claims
- 3560US5626908AMethod for producing silicon nitride based member coated with film of diamondNGK SPARK PLUG CO·Filed 1995·Granted May 6, 1997·17 cites·23 claims
- 3659US11646208B2Method for manufacturing semiconductor deviceDENSO CORP·Filed 2022·Granted May 9, 2023·0 cites·8 claims
- 3759US5114888ASilicon nitride sintered body and method for producing sameNGK SPARK PLUG CO·Filed 1990·Granted May 19, 1992·14 cites·19 claims
- 3859US2024088212A1Semiconductor device and manufacturing method of semiconductor deviceDENSO CORP·Filed 2023·Application pending·0 cites
- 3958US10937763B2Semiconductor leadframes and packages with solder dams and related methodsSEMICONDUCTOR COMPONENTS IND LLC·Filed 2018·Granted Mar 2, 2021·0 cites·16 claims
- 4057US5725932ACeramic-based substrate for coating diamond and method for preparing substrate for coatingNGK SPARK PLUG CO·Filed 1994·Granted Mar 10, 1998·15 cites·18 claims
- 4154US5858480ACeramic-based substrate for coating diamond and method for preparing substrate for coatingNGK SPARK PLUG CO·Filed 1996·Granted Jan 12, 1999·13 cites·14 claims
- 4253US6434306B1Optical cable and manufacturing method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Aug 13, 2002·6 cites·5 claims
- 4353US4956317AWhisker-reinforced ceramicsNGK SPARK PLUG CO·Filed 1988·Granted Sep 11, 1990·11 cites·57 claims
- 4452US5026601AZirconia-base sintered bodies having coating filmsNGK SPARK PLUG CO·Filed 1988·Granted Jun 25, 1991·12 cites·9 claims
- 4551US10186498B2Semiconductor leadframes and packages with solder dams and related methodsSEMICONDUCTOR COMPONENTS IND LLC·Filed 2015·Granted Jan 22, 2019·0 cites·20 claims
- 4651US5439854ATiC-base/SiC whisker composite ceramic cutting toolsNGK SPARK PLUG CO·Filed 1993·Granted Aug 8, 1995·9 cites·24 claims
- 4750US5863606AMethod for producing diamond coated memberNGK SPARK PLUG CO·Filed 1997·Granted Jan 26, 1999·11 cites·14 claims
- 4850US5049531ASilicon nitride sintered bodyNGK SPARK PLUG CO·Filed 1989·Granted Sep 17, 1991·10 cites·9 claims
- 4949US7650614B2Electrical device cabinetFUNAI ELECTRIC CO·Filed 2007·Granted Jan 19, 2010·0 cites·5 claims
- 5049US6615571B1Apparatus and method for assembling optical cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Sep 9, 2003·3 cites·4 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →