Inventor · disambiguated record
Masao Ikeda
Also filed as: IKEDA MASAO
70 granted patents·19 pending applications·911 citations·filing 1974–2023
99Inventor score
Files withSONY CORP40SUMITOMO BAKELITE CO7PANASONIC IP MAN CO LTD5YOKOYAMA HIROYUKI5SUMITOMO ELECTRIC INDUSTRIES4
Top patents by PatentIndex Score
89 records- 0196US7119487B2Semiconductor light emitting device with stacked light emitting elementsSONY CORP·Filed 2001·Granted Oct 10, 2006·49 cites·31 claims
- 0292US5993542AMethod for growing nitride III-V compound semiconductor layers and method for fabricating a nitride III-V compound semiconductor substrateSONY CORP·Filed 1997·Granted Nov 30, 1999·85 cites·23 claims
- 0391US7786488B2Nitride semiconductor wafer and method of processing nitride semiconductor waferSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Granted Aug 31, 2010·12 cites·10 claims
- 0491US7528540B2Light emitting device and optical device using the sameSONY CORP·Filed 2005·Granted May 5, 2009·11 cites·12 claims
- 0591US6956322B2Semiconductor light emitting device with stacked light emitting elementsSONY CORP·Filed 2003·Granted Oct 18, 2005·34 cites·15 claims
- 0690US7535082B2Nitride semiconductor wafer and method of processing nitride semiconductor waferSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted May 19, 2009·11 cites·4 claims
- 0790US6111277ASemiconductor device as well as light emitting semiconductor deviceSONY CORP·Filed 1998·Granted Aug 29, 2000·122 cites·17 claims
- 0890US5279744AMethod for purification of an amino acid using ion exchange resinAJINOMOTO KK·Filed 1991·Granted Jan 18, 1994·56 cites·4 claims
- 0989US6875082B2Nitride semiconductor wafer and method of processing nitride semiconductor waferSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Apr 5, 2005·32 cites·11 claims
- 1089US6870193B2Semiconductor light emitting device and its manufacturing methodSONY CORP·Filed 2003·Granted Mar 22, 2005·22 cites·17 claims
- 1189US6501154B2Semiconductor substrate made of a nitride III-V compound semiconductor having a wurtzite-structured crystal structureSONY CORP·Filed 1998·Granted Dec 31, 2002·79 cites·8 claims
- 1288US8008165B2Nitride semiconductor wafer and method of processing nitride semiconductor waferSUMITOMO ELECTRIC INDUSTRIES·Filed 2010·Granted Aug 30, 2011·6 cites·2 claims
- 1388US6509579B2Semiconductor deviceSONY CORP·Filed 2001·Granted Jan 21, 2003·45 cites·20 claims
- 1487US7149235B2Multi-beam semiconductor laser deviceSONY CORP·Filed 2005·Granted Dec 12, 2006·9 cites·16 claims
- 1586US6312967B1Semiconductor device and manufacture method thereof, as well as light emitting semiconductor deviceSONY CORP·Filed 2000·Granted Nov 6, 2001·46 cites·13 claims
- 1685US8786941B2Semiconductor optical amplifierKURAMOTO MASARU·Filed 2011·Granted Jul 22, 2014·6 cites·7 claims
- 1782US6991952B2Method of manufacturing semiconductor deviceSONY CORP·Filed 2003·Granted Jan 31, 2006·17 cites·10 claims
- 1881US7964419B2Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing methodSONY CORP·Filed 2008·Granted Jun 21, 2011·4 cites·13 claims
- 1979US10646228B2Endoscopic clip device and clipSUMITOMO BAKELITE CO·Filed 2015·Granted May 12, 2020·5 cites·24 claims
- 2079US8081669B2Method of driving laser diode device and laser diode equipmentYOKOYAMA HIROYUKI·Filed 2010·Granted Dec 20, 2011·4 cites·14 claims
- 2176US8615027B2Laser diode, optical disk device and optical pickupOOTA MAKOTO·Filed 2009·Granted Dec 24, 2013·4 cites·7 claims
- 2273US6836498B2Semiconductor laser, semiconductor device and nitride series III-V group compound substrate, as well as manufacturing method thereofSONY CORP·Filed 2001·Granted Dec 28, 2004·14 cites·18 claims
- 2373US4740977ASemiconductor laser deviceSONY CORP·Filed 1986·Granted Apr 26, 1988·20 cites·6 claims
- 2472US8591525B2Hemorrhoid ligation apparatus, ligation kit containing the apparatus and method for ligating hemorrhoidIKEDA MASAO·Filed 2008·Granted Nov 26, 2013·8 cites·9 claims
- 2572US4082744A4-benzazonine derivatives and process for preparation thereofNIHON IYAKUHIN KOGYO CO LTD·Filed 1976·Granted Apr 4, 1978·9 cites·16 claims
- 2671US8442079B2Mode-locked semiconductor laser device and driving method thereofOKI TOMOYUKI·Filed 2011·Granted May 14, 2013·2 cites·10 claims
- 2770US7339195B2Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing methodSONY CORP·Filed 2003·Granted Mar 4, 2008·6 cites·18 claims
- 2870US6577662B1Semiconductor laser, and manufacturing method thereof, semiconductor device and manufacturing method thereofSONY CORP·Filed 2000·Granted Jun 10, 2003·9 cites·12 claims
- 2968US8329483B2Bi-section semiconductor laser device, method for manufacturing the same, and method for driving the sameWATANABE HIDEKI·Filed 2010·Granted Dec 11, 2012·1 cites·9 claims
- 3067US6603147B1Semiconductor light emitting deviceSONY CORP·Filed 2000·Granted Aug 5, 2003·16 cites·5 claims
- 3166US8277463B2Medical device and method of fixing internal organSUZUKI YUTAKA·Filed 2007·Granted Oct 2, 2012·6 cites·24 claims
- 3265US8575626B2Bi-section semiconductor laser device, method for manufacturing the same, and method for driving the sameWATANABE HIDEKI·Filed 2012·Granted Nov 5, 2013·1 cites·8 claims
- 3365US7439546B2Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing methodSONY CORP·Filed 2006·Granted Oct 21, 2008·1 cites·6 claims
- 3464US10492794B2Clip cartridgeSUMITOMO BAKELITE CO·Filed 2017·Granted Dec 3, 2019·1 cites·20 claims
- 3563US10363397B2Catheter, catheter manipulation part, and catheter manufacturing methodSUMITOMO BAKELITE CO·Filed 2014·Granted Jul 30, 2019·3 cites·18 claims
- 3662US5041335AUndercoat composition and a metal substrate coated with a resin compositionSEIKISUI CHEMICAL CO LTD·Filed 1988·Granted Aug 20, 1991·19 cites·7 claims
- 3761US8080434B2Nondestructive testing method for oxide semiconductor layer and method for making oxide semiconductor layerYAMAGUCHI NORIHIKO·Filed 2009·Granted Dec 20, 2011·1 cites·13 claims
- 3859US8303607B2Medical deviceSUZUKI YUTAKA·Filed 2008·Granted Nov 6, 2012·2 cites·11 claims
- 3959US2024010097A1Charging control apparatus, charging control system, charging service providing method, and information presenting methodPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 4059US2024010088A1Automated valet parking method and automated valet parking systemPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 4158US6950451B2Multi-beam semiconductor laser elementSONY CORP·Filed 2002·Granted Sep 27, 2005·4 cites·8 claims
- 4256US10903376B2Light receiving/emitting element, solar cell, optical sensor, light emitting diode, and surface emitting laser elementSONY CORP·Filed 2018·Granted Jan 26, 2021·0 cites·5 claims
- 4356US8111723B2Method of driving a laser diodeYOKOYAMA HIROYUKI·Filed 2009·Granted Feb 7, 2012·0 cites·30 claims
- 4456US7372080B2Gan semiconductor deviceSONY CORP·Filed 2003·Granted May 13, 2008·4 cites·12 claims
- 4556US2023400322A1Computer-readable medium, information display device, and information display methodPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 4654US8587004B2Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing methodSONY CORP·Filed 2013·Granted Nov 19, 2013·0 cites·5 claims
- 4754US7125732B2Semiconductor light emitting device and its manufacturing methodSONY CORP·Filed 2004·Granted Oct 24, 2006·2 cites·14 claims
- 4853USRE45973ESemiconductor optical amplifierSONY CORP·Filed 2015·Granted Apr 12, 2016·0 cites·23 claims
- 4953US2010044390A1Biochemical containerSUMITOMO BAKELITE CO·Filed 2007·Application pending·0 cites
- 5053US2014079086A1Laser diode, optical disk device and optical pickupUNIV TOHOKU·Filed 2013·Application pending·0 cites
Showing the top 50 of 89 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →