Inventor · disambiguated record
Kazutoshi Katayama
Also filed as: KATAYAMA KAZUTOSHI
15 granted patents·25 pending applications·183 citations·filing 1998–2023
91Inventor score
Top patents by PatentIndex Score
40 records- 0196US6433944B1Master carrier for magnetic transfer and method for transferFUJI PHOTO FILM CO LTD·Filed 1999·Granted Aug 13, 2002·125 cites·17 claims
- 0284US6740407B1Magnetic recording medium and magnetic recording mode using floppy diskFUJI PHOTO FILM CO LTD·Filed 2000·Granted May 25, 2004·20 cites·1 claims
- 0379US6391419B1Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2000·Granted May 21, 2002·14 cites·17 claims
- 0471US9761261B2Magnetic recording medium and magnetic coating composition for magnetic recording mediumFUJIFILM CORP·Filed 2015·Granted Sep 12, 2017·3 cites·15 claims
- 0566US6911272B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jun 28, 2005·6 cites·10 claims
- 0664US10081701B2Composition for magnetic recording medium and magnetic recording mediumFUJIFILM CORP·Filed 2014·Granted Sep 25, 2018·0 cites·11 claims
- 0764US8394481B2Optical information recording medium and azo metal complex dyeWATANABE KOUSUKE·Filed 2007·Granted Mar 12, 2013·1 cites·11 claims
- 0862US8315017B2Magnetic recording medium, magnetic signal reproduction system and magnetic signal reproduction methodKATAYAMA KAZUTOSHI·Filed 2010·Granted Nov 20, 2012·2 cites·9 claims
- 0958US9562167B2Magnetic recording medium and magnetic coating composition for magnetic recording mediumFUJIFILM CORP·Filed 2015·Granted Feb 7, 2017·0 cites·13 claims
- 1057US11869545B2Magnetic tape management device, magnetic tape cartridge, magnetic tape, magnetic tape system, magnetic tape management method, and programFUJIFILM CORP·Filed 2023·Granted Jan 9, 2024·0 cites·18 claims
- 1156US7001474B2Method for manufacturing optical disc and method for transporting multi-layered optical discFUJI PHOTO FILM CO LTD·Filed 2002·Granted Feb 21, 2006·2 cites·4 claims
- 1254US7491486B2Optical information recording mediumFUJIFILM CORP·Filed 2004·Granted Feb 17, 2009·2 cites·29 claims
- 1351US2008081284A1Optical information recording mediumFUJIFILM CORP·Filed 2007·Application pending·0 cites
- 1451US2008199808A1Optical information recording medium and method of recording informationFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 1551US2008199809A1Optical information recording medium and method of recording informationFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 1651US2008199807A1Optical information recording medium, method of recording information and method of using compoundFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 1750US2008014401A1Optical information-recording medium and method for producing the sameFUJIFILM CORP·Filed 2007·Application pending·0 cites
- 1849US2009035505A1Optical information recording medium and metal complexFUJIFILM CORP·Filed 2007·Application pending·0 cites
- 1949US2008310293A1Optical information recording medium and method of recording informationFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 2049US2009052299A1Optical information recording medium and information recording methodFUJIFILM CORP·Filed 2007·Application pending·0 cites
- 2148US2008081285A1Optical information recording medum and azo-metal complex dyeFUJIFILM CORP·Filed 2007·Application pending·0 cites
- 2248US2008081286A1Optical information recording medium and azo-metal complex dyeFUJIFILM CORP·Filed 2007·Application pending·0 cites
- 2347US6149989AMagnetic recording particulate mediumFUJI PHOTO FILM CO LTD·Filed 1998·Granted Nov 21, 2000·8 cites·20 claims
- 2447US2008206672A1Optical Information Recording MediumFUJIFILM CORP·Filed 2006·Application pending·0 cites
- 2547US2009029092A1Optical information recording mediumFUJIFILM CORP·Filed 2006·Application pending·0 cites
- 2647US2009130366A1Optical Information-Recording Medium and Information-Recording MethodFUJIFILM CORP·Filed 2006·Application pending·0 cites
- 2747US2005008901A1Magnetic recording medium including a magnetic layer containing a nonmagnetic oxideFUJI PHOTO FILM CO LTD·Filed 2004·Application pending·0 cites
- 2846US2004197606A1Magnetic recording medium including a magnetic layer containing a nonmagnetic oxideFUJI PHOTO FILM CO LTD·Filed 2004·Application pending·0 cites
- 2946US2007286059A1Optical Information Recording Medium and Optical Information Recording MethodFUJIFILM CORP·Filed 2005·Application pending·0 cites
- 3046US2017349691A1Composition for magnetic recording medium and magnetic recording mediumFUJIFILM CORP·Filed 2017·Application pending·0 cites
- 3145US2007190283A1Optical information recording medium and manufacturing method thereofIMAI TAKASHI·Filed 2005·Application pending·0 cites
- 3245US2014374645A1Magnetic recording medium and coating composition for magnetic recording mediumFUJIFILM CORP·Filed 2014·Application pending·0 cites
- 3344US2003134151A1Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2002·Application pending·0 cites
- 3443US2008182059A1Optical Recording Medium and Method of Producing the SameFUJIFILM CORP·Filed 2006·Application pending·0 cites
- 3543US2005094546A1Optical recording medium and information-recording methodFUJI PHOTO FILM CO LTD·Filed 2004·Application pending·0 cites
- 3642US6994892B2Method of manufacturing optical recording mediumFUJI PHOTO FILM CO LTD·Filed 2003·Granted Feb 7, 2006·0 cites·19 claims
- 3739US2008123512A1Optical Recording MediumKATAYAMA KAZUTOSHI·Filed 2005·Application pending·0 cites
- 3838US2021056991A1Magnetic tape, magnetic tape cartridge, and magnetic recording and reproducing apparatusFUJIFILM CORP·Filed 2020·Application pending·0 cites
- 3935US9984711B2Magnetic recording medium and coating composition for magnetic recording mediumFUJIFILM CORP·Filed 2015·Granted May 29, 2018·0 cites·17 claims
- 4033US2016064025A1Magnetic recording mediumFUJIFILM CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →