Inventor · disambiguated record
Masataka Watanabe
Also filed as: WATANABE MASATAKA
48 granted patents·11 pending applications·329 citations·filing 1985–2022
98Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES14SHINETSU HANDOTAI KK10SHINETSU CHEMICAL CO9NEC CORP4DYDEN CORP3
Top patents by PatentIndex Score
59 records- 0195US9523871B2Semiconductor optical modulator and method for manufacturing semiconductor optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Dec 20, 2016·10 cites·12 claims
- 0292US6386001B1Optical fiber manufacture method including elongating a preform in a vertical direction and a horizontal directionSHINETSU CHEMICAL CO·Filed 1999·Granted May 14, 2002·44 cites·8 claims
- 0385US10824044B2Mach-Zehnder modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Nov 3, 2020·2 cites·9 claims
- 0484US6546759B1Glass base material manufacturing apparatus with super imposed back-and-forth burner movementSHINETSU CHEMICAL CO·Filed 2000·Granted Apr 15, 2003·18 cites·28 claims
- 0584US5097897AHeat exchanging deviceSANYO ELECTRIC CO·Filed 1989·Granted Mar 24, 1992·67 cites·8 claims
- 0683US9885936B2Mach-Zehnder modulator, method for fabricating Mach-Zehnder modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Feb 6, 2018·2 cites·6 claims
- 0782US9753350B2Mach-Zehnder modulator, method of making optical waveguide structureSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Sep 5, 2017·2 cites·20 claims
- 0881US10248000B2Semiconductor optical element and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Apr 2, 2019·3 cites·9 claims
- 0981US7648867B2Method for fabricating a semiconductor deviceEUDYNA DEVICES INC·Filed 2008·Granted Jan 19, 2010·9 cites·9 claims
- 1079US6779362B2Method of making an optical fiber preform where a second elongation is based on a mark on a glass rodSHINETSU CHEMICAL CO·Filed 2002·Granted Aug 24, 2004·7 cites·8 claims
- 1170US6666957B2Magnetron sputtering system and photomask blank production method based on the sameSHINETSU CHEMICAL CO·Filed 2001·Granted Dec 23, 2003·8 cites·21 claims
- 1265US9698023B2Traveling-wave amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Jul 4, 2017·1 cites·10 claims
- 1363US6396321B1Semiconductor integrated circuit equipped with function for controlling the quantity of processing per unit time length by detecting internally arising delayNEC CORP·Filed 2000·Granted May 28, 2002·11 cites·12 claims
- 1461US11353728B2Optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jun 7, 2022·0 cites·14 claims
- 1560US6848276B2Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatusSHINETSU CHEMICAL CO·Filed 2002·Granted Feb 1, 2005·1 cites·7 claims
- 1659US6790129B2Method for polishing angular substratesSHINETSU CHEMICAL CO·Filed 2002·Granted Sep 14, 2004·7 cites·13 claims
- 1758US9136475B2Organic EL element and method for producing samePANASONIC CORP·Filed 2012·Granted Sep 15, 2015·1 cites·14 claims
- 1858US6641958B2Phase shift mask blank, phase shift mask, and methods of manufactureSHINETSU CHEMICAL CO·Filed 2001·Granted Nov 4, 2003·6 cites·16 claims
- 1957US2005132753A1Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatusFiled 2005·Application pending·0 cites
- 2057US2023263608A1Attachment for a skull of a rat and method for installing the attachmentTOTAH NELSON·Filed 2022·Application pending·0 cites
- 2156US11215757B2Spot size converter and manufacturing method of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jan 4, 2022·0 cites·11 claims
- 2256US7055345B2Glass base material manufacturing apparatus and glass base material manufacturing methodTOBISAKA YUUJI·Filed 2003·Granted Jun 6, 2006·3 cites·22 claims
- 2355US7122280B2Angular substratesSHINETSU CHEMICAL CO·Filed 2002·Granted Oct 17, 2006·4 cites·14 claims
- 2454US6672112B2OVD apparatus including air-regulating structureSHINETSU CHEMICAL CO·Filed 2003·Granted Jan 6, 2004·1 cites·21 claims
- 2553US2003202984A1Active oxygen scavenger and cancer chemopreventer from GrifolaFiled 2003·Application pending·0 cites
- 2652US10121761B2Hetero-bipolar transistor and method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Nov 6, 2018·0 cites·20 claims
- 2752US2023148933A1Electric signal transmission device and electric signal transmission device operation methodUNIV TOKYO·Filed 2021·Application pending·0 cites
- 2849US8003421B2Method for manufacturing compound semiconductor substrate, compound semiconductor substrate and light emitting deviceSHINETSU HANDOTAI KK·Filed 2009·Granted Aug 23, 2011·0 cites·8 claims
- 2948US10725241B2Asymmetrical spot-size converter and method of manufacturing spot-size converterSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Jul 28, 2020·0 cites·6 claims
- 3048US2022344599A1Metal complex and electron transporting material comprising sameDYDEN CORP·Filed 2020·Application pending·0 cites
- 3148US2001000229A1Active oxygen scavenger and cancer chemopreventer from GrifolaFiled 2000·Application pending·0 cites
- 3246US11251143B2Semiconductor device and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Feb 15, 2022·0 cites·8 claims
- 3346US11063223B2Organic electron transport material and organic electroluminescent element using sameDYDEN CORP·Filed 2016·Granted Jul 13, 2021·0 cites·3 claims
- 3446US9679996B2Semiconductor device having buried region beneath electrode and method to form the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Jun 13, 2017·0 cites·16 claims
- 3546US2016141220A1Hetero-bipolar transistor and method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Application pending·0 cites
- 3644US6457106B1Shared memory control system and shared memory control methodNEC CORP·Filed 1998·Granted Sep 24, 2002·15 cites·8 claims
- 3744US6184049B1Method for fabricating compound semiconductor epitaxial wafer and vapor phase growth apparatus using the sameSHINETSU HANDOTAI KK·Filed 1998·Granted Feb 6, 2001·7 cites·5 claims
- 3844US2007061620A1Embedded system and program and key interruption control methodNEC SOFTWARE LTD·Filed 2006·Application pending·0 cites
- 3944US2020082641A1Three dimensional representation generating systemMIND IN A DEVICE CO LTD·Filed 2019·Application pending·0 cites
- 4043US2020159175A1Device control systemMIND IN A DEVICE CO LTD·Filed 2019·Application pending·0 cites
- 4142US6526094B1PWM CircuitNEC CORP·Filed 1998·Granted Feb 25, 2003·6 cites·6 claims
- 4242US6256708B1Auxiliary buffer for direct map cacheNEC CORP·Filed 1997·Granted Jul 3, 2001·14 cites·5 claims
- 4341US8168196B2Grifola frondosa-derived substance having anti-influenza virus activity and method for producing the sameWATANABE MASATAKA·Filed 2007·Granted May 1, 2012·0 cites·7 claims
- 4441US4866230AMethod of and apparatus for controlling floating zone of semiconductor rodSHIN ETU HANDOTAI COMPANY LIMI·Filed 1987·Granted Sep 12, 1989·8 cites·12 claims
- 4540US6057592ACompound semiconductor epitaxial waferSHINETSU HANDOTAI KK·Filed 1997·Granted May 2, 2000·10 cites·7 claims
- 4640US6048397AGaAsP epitaxial wafer and a method for manufacturing itSHINETSU HANDOTAI KK·Filed 1997·Granted Apr 11, 2000·9 cites·1 claims
- 4740US5912476ACompound semiconductor epitaxial waferSHINETSU HANDOTAI KK·Filed 1996·Granted Jun 15, 1999·10 cites·13 claims
- 4840US4876438AControl of the power to the heater and the speed of movement of a crystal rod by control of the crystal rod diameterSHIN ETU HANDOTAI CO LTD·Filed 1988·Granted Oct 24, 1989·9 cites·30 claims
- 4938US9127376B2Method for manufacturing nitride semiconductor self-supporting substrate and nitride semiconductor self-supporting substrateTAKAMIZAWA SHOICHI·Filed 2007·Granted Sep 8, 2015·0 cites·17 claims
- 5038US4931945AMethod of controlling floating zoneSHINETSU HANDOTAI KK·Filed 1988·Granted Jun 5, 1990·6 cites·10 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →