Inventor · disambiguated record
Masaki Katayama
Also filed as: KATAYAMA MASAKI
29 granted patents·270 citations·filing 1990–2020
96Inventor score
Top patents by PatentIndex Score
29 records- 0191US6747678B1Audio system, its control method and storage mediumYAMAHA CORP·Filed 2000·Granted Jun 8, 2004·60 cites·13 claims
- 0283US7095865B2Audio amplifier unitYAMAHA CORP·Filed 2003·Granted Aug 22, 2006·30 cites·9 claims
- 0381US9674609B2Speaker device and audio signal processing methodYAMAHA CORP·Filed 2014·Granted Jun 6, 2017·7 cites·29 claims
- 0480US5956935AHigh tensile steel filament member for rubber product reinforcementTOKYO ROPE MFG CO·Filed 1996·Granted Sep 28, 1999·49 cites·9 claims
- 0579US8494189B2Virtual sound source localization apparatusKATAYAMA MASAKI·Filed 2008·Granted Jul 23, 2013·11 cites·7 claims
- 0676US8199921B2Sound field controlling deviceKATAYAMA MASAKI·Filed 2007·Granted Jun 12, 2012·9 cites·6 claims
- 0775US7050869B1Audio system conducting digital signal processing, a control method thereof, a recording media on which the control method is recordedYAMAHA CORP·Filed 2000·Granted May 23, 2006·11 cites·9 claims
- 0873US7929709B2Sound image localization apparatusYAMAHA CORP·Filed 2006·Granted Apr 19, 2011·6 cites·2 claims
- 0971US10959016B2Speaker position detection system, speaker position detection device, and speaker position detection methodYAMAHA CORP·Filed 2018·Granted Mar 23, 2021·2 cites·17 claims
- 1069US6511716B1Method of surface treatment for recording mediumFUJITSU LTD·Filed 2001·Granted Jan 28, 2003·7 cites·8 claims
- 1167US7133730B1Audio apparatus, controller, audio system, and method of controlling audio apparatusYAMAHA CORP·Filed 2000·Granted Nov 7, 2006·12 cites·6 claims
- 1266US6249402B1Magnetic head sliderFUJITSU LTD·Filed 1999·Granted Jun 19, 2001·18 cites·6 claims
- 1366US5173341ARubber-reinforcing steel wires and method of manufacturing the sameTOKYO ROPE MFG CO·Filed 1990·Granted Dec 22, 1992·23 cites·20 claims
- 1465US11242440B2Polyolefin microporous membrane and production method thereofASAHI CHEMICAL IND·Filed 2018·Granted Feb 8, 2022·0 cites·10 claims
- 1565US9294861B2Audio signal processing deviceYAMAHA CORP·Filed 2013·Granted Mar 22, 2016·2 cites·6 claims
- 1664US8116468B2Stereophonic sound reproduction deviceKATAYAMA MASAKI·Filed 2005·Granted Feb 14, 2012·3 cites·4 claims
- 1763US5999368AMagnetic head slider provided with a hard material layer for improved impact resistance and for avoiding cracking of an air bearing surface during production of the magnetic head sliderFUJITSU LTD·Filed 1998·Granted Dec 7, 1999·16 cites·26 claims
- 1862US12247110B2Polyolefin microporous membraneASAHI KASEI BATTERY SEPARATOR CORP·Filed 2020·Granted Mar 11, 2025·0 cites·13 claims
- 1949US10038963B2Speaker device and audio signal processing methodYAMAHA CORP·Filed 2017·Granted Jul 31, 2018·0 cites·10 claims
- 2049US9356572B2Sound processing apparatus, sound system and sound processing methodYAMAHA CORP·Filed 2012·Granted May 31, 2016·0 cites·11 claims
- 2148US8848943B2Signal processing device, signal processing method, and sound emitting systemKATAYAMA MASAKI·Filed 2009·Granted Sep 30, 2014·0 cites·9 claims
- 2245US8594336B2Sound image localization apparatusKATAYAMA MASAKI·Filed 2011·Granted Nov 26, 2013·0 cites·2 claims
- 2345US8121297B2Signal processing device and sound image orientation apparatusKATAYAMA MASAKI·Filed 2006·Granted Feb 21, 2012·0 cites·6 claims
- 2444US10075803B2Speaker deviceYAMAHA CORP·Filed 2017·Granted Sep 11, 2018·0 cites·15 claims
- 2539US8553893B2Sound processing device, speaker apparatus, and sound processing methodKATAYAMA MASAKI·Filed 2009·Granted Oct 8, 2013·0 cites·8 claims
- 2639US6317293B1Magnetic head sliderFUJITSU LTD·Filed 1999·Granted Nov 13, 2001·4 cites·10 claims
- 2738US9247371B2Sound processing apparatusYAMAHA CORP·Filed 2012·Granted Jan 26, 2016·0 cites·7 claims
- 2837US8340322B2Acoustic processing deviceKATAYAMA MASAKI·Filed 2010·Granted Dec 25, 2012·0 cites·5 claims
- 2930US6284120B1Method of electroplating and electrodeposit structureFUJITSU LTD·Filed 1999·Granted Sep 4, 2001·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →