Inventor · disambiguated record
Masaru Shinkai
Also filed as: SHINKAI MASARU
42 granted patents·10 pending applications·418 citations·filing 1983–2017
98Inventor score
Top patents by PatentIndex Score
52 records- 0194US9950524B2PZT-film laminated structure, liquid discharge head, liquid discharge device, liquid discharge apparatus, and method of making PZT-film laminated structureSHINKAI MASARU·Filed 2016·Granted Apr 24, 2018·7 cites·7 claims
- 0293US6841049B2Optical device substrate film-formation apparatus, optical disk substrate film-formation method, substrate holder manufacture method, substrate holder, optical disk and a phase-change recording type of optical diskRICOH KK·Filed 2000·Granted Jan 11, 2005·47 cites·41 claims
- 0392US7601481B2Multilayer phase-change information recording medium, and method for recording and reproducing using the sameRICOH KK·Filed 2005·Granted Oct 13, 2009·16 cites·17 claims
- 0490US9401471B2Electromechanical transducing device and manufacturing method thereof, and liquid droplet discharging head and liquid droplet discharging apparatusMIZUKAMI SATOSHI·Filed 2011·Granted Jul 26, 2016·8 cites·5 claims
- 0590US7438965B2Phase-change information recording medium, manufacturing method for the same, sputtering target, method for using the phase-change information recording medium and optical recording apparatusRICOH KK·Filed 2005·Granted Oct 21, 2008·10 cites·23 claims
- 0689US5164632AElectron emission element for use in a display deviceRICOH KK·Filed 1991·Granted Nov 17, 1992·67 cites·3 claims
- 0788US9969161B2Electromechanical transducer element, liquid discharge head, liquid discharge device, and liquid discharge apparatusSHINKAI MASARU·Filed 2017·Granted May 15, 2018·3 cites·10 claims
- 0887US8727505B2Electromechanical transducer element, droplet discharge head, and droplet discharge deviceMIZUKAMI SATOSHI·Filed 2012·Granted May 20, 2014·5 cites·9 claims
- 0986US8733906B2Electromechanical conversion element, liquid drop ejection head, liquid drop ejection device, and image forming apparatusMIZUKAMI SATOSHI·Filed 2012·Granted May 27, 2014·4 cites·12 claims
- 1085US5534063AApparatus for removing image forming substance from sheet and sheet processing apparatusRICOH KK·Filed 1994·Granted Jul 9, 1996·33 cites·17 claims
- 1183US6846611B2Phase-change optical recording mediumRICOH KK·Filed 2002·Granted Jan 25, 2005·17 cites·15 claims
- 1282US9196821B2Electromechanical transducer, droplet ejection head, and method for manufacturing electromechanical transducerAOYAMA TSUTOH·Filed 2014·Granted Nov 24, 2015·4 cites·6 claims
- 1381US8960867B2Electromechanical conversion element, manufacturing method thereof, piezoelectric type actuator, liquid droplet jetting head, and inkjet recording apparatusISHIMORI MASAHIRO·Filed 2013·Granted Feb 24, 2015·3 cites·11 claims
- 1481US5642550AApparatus for removing image forming substance from image holding memberRICOH KK·Filed 1995·Granted Jul 1, 1997·29 cites·5 claims
- 1580US8084113B2Multi-layered phase-change optical recording mediumSEKIGUCHI HIROYOSHI·Filed 2007·Granted Dec 27, 2011·4 cites·8 claims
- 1680US7613091B2Method for identifying double-layer disc and optical disc apparatusRICOH KK·Filed 2006·Granted Nov 3, 2009·4 cites·8 claims
- 1780US7464390B2Optical information recording medium, and recording and reproducing apparatus of the sameRICOH KK·Filed 2006·Granted Dec 9, 2008·4 cites·16 claims
- 1880US7260053B2Optical recording medium, process for manufacturing the same, sputtering target for manufacturing the same, and optical recording process using the sameRICOH KK·Filed 2003·Granted Aug 21, 2007·14 cites·39 claims
- 1979US8926069B2Piezoelectric thin film element and method of manufacturing the same, droplet discharge head and inkjet recording device using the piezoelectric thin film elementISHIMORI MASAHIRO·Filed 2013·Granted Jan 6, 2015·3 cites·12 claims
- 2079US7242657B2Phase change type optical recording medium and recording method thereforRICOH KK·Filed 2003·Granted Jul 10, 2007·13 cites·13 claims
- 2174US7384678B2Optical recording medium and process for producing the same, sputtering target, using process of optical recording medium, and optical recording apparatusRICOH KK·Filed 2006·Granted Jun 10, 2008·2 cites·54 claims
- 2273US8034426B2Two-layered optical recording mediumRICOH CO LTD·Filed 2006·Granted Oct 11, 2011·2 cites·19 claims
- 2373US8000198B2Phase-change type optical recording medium and reproduction method and apparatus for such a recording mediumRICOH CO LTD·Filed 2006·Granted Aug 16, 2011·2 cites·7 claims
- 2473US7773478B2Optical recording medium, multi-layered optical recording medium, and optical recording method and recording apparatus using the sameRICOH KK·Filed 2006·Granted Aug 10, 2010·2 cites·16 claims
- 2572US7894315B2Optical disk, recording method, recording medium, and optical disk unit, for recording information on multilayer optical diskRICOH CO LTD·Filed 2006·Granted Feb 22, 2011·2 cites·8 claims
- 2669US7848196B2Power determining method, single-sided multilayer optical disk, recording method, computer program product, computer-readable medium, and optical disk apparatusRICOH CO LTD·Filed 2006·Granted Dec 7, 2010·1 cites·11 claims
- 2769US4808786AWire electrode type electric discharge machining device with preventable application of external force to its lower armMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Feb 28, 1989·16 cites·12 claims
- 2868US8449965B2Multilayer optical recording medium and optical recording methodSEKIGUCHI HIROYOSHI·Filed 2006·Granted May 28, 2013·1 cites·6 claims
- 2967US4559433AWire cut electrical discharge machining apparatus with electric feeders in a tubular guideMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Dec 17, 1985·12 cites·11 claims
- 3064US7005172B2Optical information recording medium and method for producing the sameRICOH KK·Filed 2003·Granted Feb 28, 2006·4 cites·23 claims
- 3163US9586401B2Piezoelectric thin film element, inkjet recording head, and inkjet image-forming apparatusSHINKAI MASARU·Filed 2014·Granted Mar 7, 2017·1 cites·13 claims
- 3263US7273534B2Optical device substrate film-formation apparatus, optical disk substrate film-formation method, substrate holder manufacture method, substrate holder, optical disk and a phase-change recording type of optical diskRICOH KK·Filed 2004·Granted Sep 25, 2007·4 cites·30 claims
- 3363US5835837AApparatus for removing image forming substance from image holding memberRICOH KK·Filed 1997·Granted Nov 10, 1998·19 cites·85 claims
- 3462US4777340AWire electrical discharge machining apparatusMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Oct 11, 1988·13 cites·11 claims
- 3561US5897726AMethod of and an apparatus for removing image forming substance from an image supporting bodyRICOH KK·Filed 1997·Granted Apr 27, 1999·16 cites·50 claims
- 3656US7491436B2Optical information recording mediumRICOH KK·Filed 2005·Granted Feb 17, 2009·0 cites·6 claims
- 3749US7920454B2Optical recording medium, and method and apparatus for optical recording and reproducing thereofRICOH CO LTD·Filed 2005·Granted Apr 5, 2011·0 cites·20 claims
- 3849US6156127AMethod and apparatus for removing image forming substance from image holding memberRICOH KK·Filed 1998·Granted Dec 5, 2000·8 cites·52 claims
- 3948US7767284B2Optical recording medium, and, method for manufacturing the same, and method and apparatus for optical recording and reproducing thereofRICOH KK·Filed 2005·Granted Aug 3, 2010·0 cites·2 claims
- 4048US5896612AMethod and apparatus for removing image forming substance from image holding memberRICOH KK·Filed 1997·Granted Apr 27, 1999·8 cites·87 claims
- 4148US2005254410A1Optical recording medium, manufacturing method of the same, and sputtering targetKIBE TAKESHI·Filed 2005·Application pending·0 cites
- 4248US2007237064A1Dual-layer recordable optical recording mediumFUJII TOSHISHIGE·Filed 2007·Application pending·0 cites
- 4347US2006292493A1Optical recording medium, and recording and reproducing method and optical recording and reproducing apparatus of optical recording mediumSHINOTSUKA MICHIAKI·Filed 2006·Application pending·0 cites
- 4447US2006228531A1Dual-layer phase-change information recording medium and recording and reading method using the sameIWASA HIROYUKI·Filed 2006·Application pending·0 cites
- 4547US2006233095A1Dual-layer phase-change information recording medium and recording method thereofIWASA HIROYUKI·Filed 2006·Application pending·0 cites
- 4646US2007009703A1Optical recording medium and two layered optical recording medium, recording and reproducing method and recording and reproducing apparatus using mediaSHINKAI MASARU·Filed 2006·Application pending·0 cites
- 4745US6080255AMethod of and an apparatus for removing image forming substance from an image supporting bodyRICOH KK·Filed 1998·Granted Jun 27, 2000·8 cites·53 claims
- 4844US2005270959A1Recording method for optical recording medium, and optical recording apparatusIWASA HIROYUKI·Filed 2005·Application pending·0 cites
- 4943US2005221050A1Two-layered optical recording medium, method for manufacturing the same, and, method and apparatus for optical recording and reproducing using the sameSHINOTSUKA MICHIAKI·Filed 2005·Application pending·0 cites
- 5037US7439007B2Phase change information recording medium having multiple layers and recording and playback method for the mediumRICOH KK·Filed 2003·Granted Oct 21, 2008·2 cites·19 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →