Inventor · disambiguated record
Masashi Shirata
Also filed as: SHIRATA MASASHI
27 granted patents·16 pending applications·132 citations·filing 2001–2021
93Inventor score
Top patents by PatentIndex Score
43 records- 0198US9748026B2Hexagonal ferrite magnetic powder for magnetic recording, method for producing hexagonal ferrite magnetic particles, and magnetic recording mediumFUJIFILM CORP·Filed 2015·Granted Aug 29, 2017·103 cites·8 claims
- 0292US11721461B2Particles of magnetoplumbite-type hexagonal ferrite, method for manufacturing the same, and radio wave absorberFUJIFILM CORP·Filed 2020·Granted Aug 8, 2023·2 cites·7 claims
- 0387US9957167B2Method of manufacturing hexagonal ferrite powder, hexagonal ferrite powder, magnetic recording medium and method of manufacturing magnetic recording mediumFUJIFILM CORP·Filed 2016·Granted May 1, 2018·2 cites·18 claims
- 0486US10102874B2Method of manufacturing hexagonal ferrite powder, hexagonal ferrite powder, and magnetic recording mediumFUJIFILM CORP·Filed 2015·Granted Oct 16, 2018·2 cites·14 claims
- 0583US11090716B2ϵ-iron oxide type ferromagnetic powder and magnetic recording mediumFUJIFILM CORP·Filed 2017·Granted Aug 17, 2021·1 cites·16 claims
- 0682US11222661B2Hexagonal strontium ferrite powder, magnetic recording medium, and magnetic recording and reproducing apparatusFUJIFILM CORP·Filed 2020·Granted Jan 11, 2022·2 cites·11 claims
- 0781US7974467B2Image-taking systemFUJIFILM CORP·Filed 2006·Granted Jul 5, 2011·7 cites·6 claims
- 0881US6797459B2Silver halide emulsion and method of preparing the sameFUJI PHOTO FILM CO LTD·Filed 2002·Granted Sep 28, 2004·6 cites·8 claims
- 0974US10373638B2Hexagonal ferrite powder and magnetic recording mediumFUJIFILM CORP·Filed 2017·Granted Aug 6, 2019·1 cites·9 claims
- 1072US10734144B2Production method for metal oxide particles, metal oxide powder, and magnetic recording mediumFUJIFILM CORP·Filed 2017·Granted Aug 4, 2020·2 cites·10 claims
- 1170US11170812B2Magnetic recording medium including specified compound, magnetic recording and reproducing apparatus, and composition for magnetic recording mediumFUJIFILM CORP·Filed 2019·Granted Nov 9, 2021·2 cites·19 claims
- 1270US7651782B2Method for producing metallic nanoparticles, metallic nanoparticles, and dispersion of the sameFUJIFILM CORP·Filed 2007·Granted Jan 26, 2010·2 cites·4 claims
- 1367US12160984B2Radio wave absorberFUJIFILM CORP·Filed 2021·Granted Dec 3, 2024·0 cites·19 claims
- 1466US11459244B2Particles of β-iron oxyhydroxide-based compound, manufacturing method of the same, manufacturing method of particles of ϵ-iron oxide-based compound, and manufacturing method of magnetic recording mediumFUJIFILM CORP·Filed 2019·Granted Oct 4, 2022·0 cites·10 claims
- 1565US11705156B2Hexagonal strontium ferrite powder, magnetic recording medium, and magnetic recording and reproducing apparatusFUJIFILM CORP·Filed 2021·Granted Jul 18, 2023·0 cites·16 claims
- 1660US9589584B2Magnetic powder for magnetic recording, magnetic recording medium, and method of manufacturing magnetic powder for magnetic recordingFUJIFILM CORP·Filed 2014·Granted Mar 7, 2017·0 cites·9 claims
- 1757US9589585B2Magnetic powder for magnetic recording, magnetic recording medium, and method of manufacturing magnetic powder for magnetic recordingFUJIFILM CORP·Filed 2014·Granted Mar 7, 2017·0 cites·10 claims
- 1852US9773518B2Magnetic recording mediumFUJIFILM CORP·Filed 2014·Granted Sep 26, 2017·0 cites·20 claims
- 1952US2011232729A1Solar battery element and method for producing the solar battery elementFUJIFILM CORP·Filed 2011·Application pending·0 cites
- 2051US7990057B2Surface emitting-type electroluminescent deviceFUJIFILM CORP·Filed 2007·Granted Aug 2, 2011·0 cites·3 claims
- 2151US2011088782A1Photoelectric conversion semiconductor layer, method for producing the same, photoelectric conversion device and solar batteryFUJIFILM CORP·Filed 2010·Application pending·0 cites
- 2250US11574652B2Recording device and recording methodUNIV TOKYO·Filed 2021·Granted Feb 7, 2023·0 cites·20 claims
- 2350US11562839B2Core-shell particle and manufacturing method and fired product of the same, epsilon type iron oxide compound particle and manufacturing method of the same, and magnetic recording medium and manufacturing method of the sameFUJIFILM CORP·Filed 2018·Granted Jan 24, 2023·0 cites·5 claims
- 2449US11315595B2Recording method, recording device, reproduction method, reproduction device, and high-speed response elementUNIV TOKYO·Filed 2020·Granted Apr 26, 2022·0 cites·11 claims
- 2549US2010193740A1Method of producing an electroluminescence phosphorFUJIFILM CORP·Filed 2010·Application pending·0 cites
- 2648US11488627B2Ferromagnetic powder for magnetic recording and magnetic recording mediumFUJIFILM CORP·Filed 2019·Granted Nov 1, 2022·0 cites·16 claims
- 2747US11348711B2Core-shell particle, fired product of core-shell particle, manufacturing method of core-shell particle, epsilon type iron oxide-based compound particle, manufacturing method of epsilon type iron oxide-based compound particle, magnetic recording medium, and manufacturing method of magnetic recording mediumFUJIFILM CORP·Filed 2018·Granted May 31, 2022·0 cites·17 claims
- 2847US11244701B2Hexagonal strontium ferrite powder for magnetic recording and magnetic recording mediumFUJIFILM CORP·Filed 2018·Granted Feb 8, 2022·0 cites·22 claims
- 2946US2009115328A1Surface emitting-type electroluminescent deviceYAMASHITA SEIJI·Filed 2007·Application pending·0 cites
- 3045US2005140272A1Method of producing an electroluminescence phosphorFUJI PHOTO FILM CO LTD·Filed 2004·Application pending·0 cites
- 3144US11100949B2Magnetic recording mediumFUJIFILM CORP·Filed 2018·Granted Aug 24, 2021·0 cites·6 claims
- 3244US2016203894A1Production method for metal oxide particles, metal oxide powder, and magnetic recording mediumFUJIFILM CORP·Filed 2016·Application pending·0 cites
- 3344US2009026926A1Transparent conductive film and dispersion-type electroluminescence device using said filmFUJIFILM CORP·Filed 2006·Application pending·0 cites
- 3443US2011133125A1Inorganic phosphor particleSHIRATA MASASHI·Filed 2009·Application pending·0 cites
- 3543US2009218942A1Dispersion type electroluminescent elementFUJIFILM CORP·Filed 2006·Application pending·0 cites
- 3642US8558447B2Dispersion-type electroluminescence deviceSHIRATA MASASHI·Filed 2010·Granted Oct 15, 2013·0 cites·5 claims
- 3742US2009186243A1Inorganic phosphorSHIRATA MASASHI·Filed 2009·Application pending·0 cites
- 3841US2011140594A1Inorganic electroluminescent deviceSHIRATA MASASHI·Filed 2009·Application pending·0 cites
- 3939US2018358043A1Magnetic recording mediumFUJIFILM CORP·Filed 2018·Application pending·0 cites
- 4039US2018358044A1Magnetic recording mediumFUJIFILM CORP·Filed 2018·Application pending·0 cites
- 4138US2011232760A1Photoelectric conversion device and solar cellFUJIFILM CORP·Filed 2011·Application pending·0 cites
- 4236US2017287515A1Hexagonal ferrite powder, magnetic recording medium, and method of hexagonal ferrite powderFUJIFILM CORP·Filed 2017·Application pending·0 cites
- 4334US2002001784A1Silver halide photographic emulsionFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Masashi Shirata 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 →