Inventor · disambiguated record
Masayoshi Nagata
Also filed as: NAGATA MASAYOSHI
31 granted patents·1 pending application·881 citations·filing 1973–2008
97Inventor score
Top patents by PatentIndex Score
32 records- 0197US3960559AMethod of making a semiconductor device utilizing a light-sensitive etching agentFUJI PHOTO FILM CO LTD·Filed 1973·Granted Jun 1, 1976·474 cites·14 claims
- 0296US4349617AFunction separated type electrophotographic light-sensitive members and process for production thereofFUJI PHOTO FILM CO LTD·Filed 1980·Granted Sep 14, 1982·68 cites·27 claims
- 0391US5573129ACollapsible container for a liquidFUJI PHOTO FILM CO LTD·Filed 1994·Granted Nov 12, 1996·130 cites·8 claims
- 0485US4403025AElectrophotographic photoreceptorFUJI PHOTO FILM CO LTD·Filed 1981·Granted Sep 6, 1983·18 cites·10 claims
- 0583US4469768AElectrophotographic light-sensitive material comprising a charge-generating material and a charge-transporting materialFUJI PHOTO FILM CO LTD·Filed 1982·Granted Sep 4, 1984·16 cites·14 claims
- 0682US6906990B2Phase-change optical disk and optical disk apparatusSONY CORP·Filed 2002·Granted Jun 14, 2005·18 cites·7 claims
- 0777US4477550AElectrophotographic photoreceptor with hydrazoneFUJI PHOTO FILM CO LTD·Filed 1983·Granted Oct 16, 1984·17 cites·10 claims
- 0876US4062685ANon-silver halide light-sensitive material sensitized by colloidal elementsFUJI PHOTO FILM CO LTD·Filed 1976·Granted Dec 13, 1977·11 cites·16 claims
- 0975US7221633B2Disk data reproduction device using NRZI modulated dataSONY CORP·Filed 2002·Granted May 22, 2007·10 cites·3 claims
- 1072US7663998B2Information reproduction device and read clock monitoring methodSONY CORP·Filed 2005·Granted Feb 16, 2010·2 cites·6 claims
- 1172US4500622AElectrophotographic light-sensitive printing materialsFUJI PHOTO FILM CO LTD·Filed 1982·Granted Feb 19, 1985·17 cites·8 claims
- 1270US7430157B2Recording device, recording method, reproducing device, and reproducing methodSONY CORP·Filed 2004·Granted Sep 30, 2008·8 cites·10 claims
- 1369US6487144B2Disk recording medium including data pre-formatted-data-recorded header having first and second identical address numbers radially displaced from each other on opposite sides of groove or land track center line, and disk drive unit for use with the recording mediumSONY CORP·Filed 2000·Granted Nov 26, 2002·8 cites·9 claims
- 1466US3992208APhoto-sensitive etchant and method for forming metal image using sameFUJI PHOTO FILM CO LTD·Filed 1974·Granted Nov 16, 1976·14 cites·15 claims
- 1564US4396694AOrganic electrophotographic sensitive materialsFUJI PHOTO FILM CO LTD·Filed 1981·Granted Aug 2, 1983·7 cites·9 claims
- 1662US6587415B1Drive unit having blank/written area identification capabilitySONY CORP·Filed 2000·Granted Jul 1, 2003·5 cites·4 claims
- 1761US6809998B2Optical disk drive and method for processing data using the sameSONY CORP·Filed 2001·Granted Oct 26, 2004·4 cites·11 claims
- 1859US8097231B2Method and system for producing activated carbonNAGATA MASAYOSHI·Filed 2008·Granted Jan 17, 2012·1 cites·11 claims
- 1958US4245027ALight-sensitive image recording material and dry process for recording light image using the sameFUJI PHOTO FILM CO LTD·Filed 1978·Granted Jan 13, 1981·14 cites·25 claims
- 2056US4254214APhotographic materials for non-silver images and process for forming non-silver imagesFUJI PHOTO FILM CO LTD·Filed 1978·Granted Mar 3, 1981·6 cites·22 claims
- 2154US6909681B2Optical disk and optical disk apparatusSONY CORP·Filed 2002·Granted Jun 21, 2005·3 cites·8 claims
- 2254US4395473AElectrophotographic sensitive materials containing barbituric acid or thiobarbituric acid derivatiesFUJI PHOTO FILM CO LTD·Filed 1981·Granted Jul 26, 1983·9 cites·11 claims
- 2353US6716508B2Optical recording mediumSONY CORP·Filed 2001·Granted Apr 6, 2004·2 cites·2 claims
- 2450US4076530ADry photographic copying method for producing Te imagesFUJI PHOTO FILM CO LTD·Filed 1976·Granted Feb 28, 1978·4 cites·16 claims
- 2547US8038976B2Method and system for producing activated carbonFUJIFILM CORP·Filed 2008·Granted Oct 18, 2011·0 cites·7 claims
- 2645US7440376B2Operation condition setting systemSONY CORP·Filed 2005·Granted Oct 21, 2008·0 cites·6 claims
- 2742US4172180AHeat sensitive color forming and heat sensitive electrical conductivity increasing composition and heat sensitive image recording sheet using the sameFUJI PHOTO FILM CO LTD·Filed 1978·Granted Oct 23, 1979·6 cites·13 claims
- 2841US6909683B2Optical disc and optical disc drive apparatusSONY CORP·Filed 2001·Granted Jun 21, 2005·0 cites·9 claims
- 2941US6196484B1Photographic 120-size film rollFUJI PHOTO FILM CO LTD·Filed 1999·Granted Mar 6, 2001·2 cites·7 claims
- 3041US2006153043A1Recording medium, recording apparatus, reproducing apparatus, recording method, and reproducing methodNISHINO MASATOSHI·Filed 2004·Application pending·0 cites
- 3138US4421838AProcesses for preparing photoconductive elements and electrophotosensitive materialsFUJI PHOTO FILM CO LTD·Filed 1981·Granted Dec 20, 1983·3 cites·48 claims
- 3237US4594303AElectrophotographic photoreceptorFUJI PHOTO FILM CO LTD·Filed 1985·Granted Jun 10, 1986·4 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →