Inventor · disambiguated record
Masakazu Muroyama
Also filed as: MUROYAMA MASAKAZU
27 granted patents·11 pending applications·493 citations·filing 1985–2023
97Inventor score
Files withSONY CORP29SONY GROUP CORP3ITOU HIROYUKI1MUROYAMA MASAKAZU1SONY SEMICONDUCTOR SOLUTIONS CORP1
Top patents by PatentIndex Score
38 records- 0191US6900066B2Cold cathode field emission device and process for the production thereof, and cold cathode field emission display and process for the production thereofSONY CORP·Filed 2003·Granted May 31, 2005·29 cites·24 claims
- 0288US5779521AMethod and apparatus for chemical/mechanical polishingSONY CORP·Filed 1996·Granted Jul 14, 1998·80 cites·6 claims
- 0383US10886335B2Imaging element, stacked-type imaging element, imaging apparatus and electronic apparatusSONY CORP·Filed 2017·Granted Jan 5, 2021·2 cites·18 claims
- 0480US6991949B2Manufacturing method of an electron emitting apparatusSONY CORP·Filed 2002·Granted Jan 31, 2006·16 cites·68 claims
- 0580US5728308AMethod of polishing a semiconductor substrate during production of a semiconductor deviceSONY CORP·Filed 1996·Granted Mar 17, 1998·56 cites·14 claims
- 0678US7166482B2Cold cathode field emission device and process for the production thereof, and cold cathode field emission display and process for the production thereofSONY CORP·Filed 2005·Granted Jan 23, 2007·3 cites·1 claims
- 0777US5709588APolishing slurry and polishing process using the sameSONY CORP·Filed 1996·Granted Jan 20, 1998·48 cites·8 claims
- 0875US2023354627A1Imaging element, stacked-type imaging element, imaging apparatus and electronic apparatusSONY GROUP CORP·Filed 2023·Application pending·0 cites
- 0973US5248629AProcess for fabricating capacitor for semiconductor storage deviceSONY CORP·Filed 1992·Granted Sep 28, 1993·34 cites·5 claims
- 1069US6126514APolishing slurry and polishing method using the sameSONY CORP·Filed 1999·Granted Oct 3, 2000·20 cites·5 claims
- 1169US5767016AMethod of forming a wiring layer on a semiconductor by polishing with treated slurrySONY CORP·Filed 1995·Granted Jun 16, 1998·35 cites·5 claims
- 1266US2021134887A1Imaging element, stacked-type imaging element, imaging apparatus and electronic apparatusSONY CORP·Filed 2020·Application pending·0 cites
- 1363US5578530AManufacturing method of semiconductor device which includes forming a silicon nitride layer using a Si, N, and F containing compoundSONY CORP·Filed 1995·Granted Nov 26, 1996·28 cites·24 claims
- 1462US5260232ARefractory metal plug forming methodSONY CORP·Filed 1992·Granted Nov 9, 1993·30 cites·10 claims
- 1560US5470800AMethod for forming an interlayer filmSONY CORP·Filed 1993·Granted Nov 28, 1995·32 cites·5 claims
- 1656US6580155B1Semiconductor deviceSONY CORP·Filed 2000·Granted Jun 17, 2003·7 cites·3 claims
- 1755US9450186B26,12-dioxaanthanthrene derivative, organic semiconductor element, and method for manufacturing organic semiconductor elementSONY CORP·Filed 2013·Granted Sep 20, 2016·0 cites·9 claims
- 1854US7195943B2Cold cathode field emission device and process for the production thereof, and cold cathode field emission display and process for the production thereofSONY CORP·Filed 2005·Granted Mar 27, 2007·0 cites·3 claims
- 1954US7169628B2Cold cathode field emission device and process for the production thereof, and cold cathode field emission display and process for the production thereofSONY CORP·Filed 2005·Granted Jan 30, 2007·0 cites·1 claims
- 2054US7118927B2Cold cathode field emission device and process for the production thereof, and cold cathode field emission display and process for the production thereofSONY CORP·Filed 2005·Granted Oct 10, 2006·0 cites·3 claims
- 2154US5320708ADry etching methodSONY CORP·Filed 1992·Granted Jun 14, 1994·23 cites·8 claims
- 2254US2024347554A1Imaging element and imaging deviceSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2022·Application pending·0 cites
- 2351US10892302B2Photoelectric conversion element, imaging element, stacked-type imaging element, and solid-state imaging apparatusSONY CORP·Filed 2017·Granted Jan 12, 2021·0 cites·15 claims
- 2450US2024065011A1Imaging element, stacked imaging element, and imaging deviceSONY GROUP CORP·Filed 2021·Application pending·0 cites
- 2547US4656089AMagnetic recording mediumSONY CORP·Filed 1985·Granted Apr 7, 1987·10 cites·6 claims
- 2646US6066573AMethod of producing dielectric filmSONY CORP·Filed 1998·Granted May 23, 2000·11 cites·8 claims
- 2746US2013061923A1Photoelectric conversion device and method for manufacturing the sameMUROYAMA MASAKAZU·Filed 2011·Application pending·0 cites
- 2845US2010283386A1Display device and composition for producing display device, and display deviceSONY CORP·Filed 2008·Application pending·0 cites
- 2944US5700736AMethod for making semiconductor deviceSONY CORP·Filed 1995·Granted Dec 23, 1997·9 cites·6 claims
- 3043US5028497AMagnetic recording medium utilizing a fungicideSONY CORP·Filed 1989·Granted Jul 2, 1991·8 cites·13 claims
- 3141US2023124165A1Imaging element and imaging deviceSONY GROUP CORP·Filed 2021·Application pending·0 cites
- 3238US5264074AFlattening method for interlayer insulating filmSONY CORP·Filed 1992·Granted Nov 23, 1993·9 cites·6 claims
- 3336US2001036689A1Low dielectric constant insulating film resin composition, method of forming low dielectric constant insulating film, and method of producing semiconductor deviceFiled 2001·Application pending·0 cites
- 3436US2002036452A1Electron emission device, cold cathode field emission device and method for the production thereof, and cold cathode field emission display and method for the production thereofFiled 2000·Application pending·0 cites
- 3536US2002079802A1Electron-emitting device, cold cathode field emission device and method for production thereof, And cold cathode field emission display and method for production thereofFiled 2001·Application pending·0 cites
- 3633US2006175950A1Field electron emission film, field electron emission electrode and field electron emission displayITOU HIROYUKI·Filed 2003·Application pending·0 cites
- 3731US5314710AInsulation layer forming methodSONY CORP·Filed 1992·Granted May 24, 1994·3 cites·14 claims
- 3830US6169023B1Method for making semiconductor deviceSONY CORP·Filed 1997·Granted Jan 2, 2001·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →