Inventor · disambiguated record
Masahiko Hata
Also filed as: HATA MASAHIKO
48 granted patents·31 pending applications·259 citations·filing 1981–2014
97Inventor score
Top patents by PatentIndex Score
79 records- 0194US7509517B2Clock transferring apparatus for synchronizing input data with internal clock and test apparatus having the sameADVANTEST CORP·Filed 2006·Granted Mar 24, 2009·37 cites·7 claims
- 0290US8633496B2Optical device and semiconductor waferHATA MASAHIKO·Filed 2011·Granted Jan 21, 2014·12 cites·17 claims
- 0385US7956366B2Monolithic light emitting device and driving method thereforSUMITOMO CHEMICAL CO·Filed 2007·Granted Jun 7, 2011·15 cites·17 claims
- 0484US5603764AProcess for crystal growth of III-V group compound semiconductorSUMITOMO CHEMICAL CO·Filed 1995·Granted Feb 18, 1997·54 cites·15 claims
- 0578US8169004B2Compound semiconductor epitaxial substrate and process for producing the sameKOHIRO KENJI·Filed 2005·Granted May 1, 2012·7 cites·5 claims
- 0677US8766318B2Semiconductor wafer, method of manufacturing a semiconductor wafer, and electronic deviceHATA MASAHIKO·Filed 2009·Granted Jul 1, 2014·5 cites·28 claims
- 0777US8431459B2Semiconductor wafer, semiconductor device, and method of manufacturing a semiconductor deviceTAKENAKA MITSURU·Filed 2009·Granted Apr 30, 2013·9 cites·5 claims
- 0875US8686472B2Semiconductor substrate, electronic device and method for manufacturing semiconductor substrateHATA MASAHIKO·Filed 2009·Granted Apr 1, 2014·4 cites·6 claims
- 0974US8835980B2Semiconductor wafer, photoelectric conversion device, method of producing semiconductor wafer, and method of producing photoelectric conversion deviceHATA MASAHIKO·Filed 2011·Granted Sep 16, 2014·1 cites·4 claims
- 1071US6569693B2Method for fabricating epitaxial substrateSUMITOMO CHEMICAL CO·Filed 2001·Granted May 27, 2003·18 cites·9 claims
- 1169US8395187B2Compound semiconductor epitaxial substrate and manufacturing method thereofNAKANO TSUYOSHI·Filed 2011·Granted Mar 12, 2013·2 cites·2 claims
- 1269US8150647B2Electric device and diagnostic apparatusHATA MASAHIKO·Filed 2010·Granted Apr 3, 2012·2 cites·9 claims
- 1368US8890213B2Semiconductor wafer, electronic device, a method of producing semiconductor wafer, and method of producing electronic deviceYAMANAKA SADANORI·Filed 2011·Granted Nov 18, 2014·2 cites·16 claims
- 1466US8716836B2Semiconductor wafer, semiconductor wafer manufacturing method, and electronic deviceTAKADA TOMOYUKI·Filed 2008·Granted May 6, 2014·2 cites·34 claims
- 1565US8350292B2Gallium nitride epitaxial crystal, method for production thereof, and field effect transistorSUMITOMO CHEMICAL CO·Filed 2008·Granted Jan 8, 2013·2 cites·13 claims
- 1664US8610450B2Method of measuring electrical characteristics of semiconductor waferFUKUHARA NOBORU·Filed 2011·Granted Dec 17, 2013·2 cites·13 claims
- 1763US9184240B2Method of producing semiconductor wafer, and semiconductor waferSUMITOMO CHEMICAL CO·Filed 2013·Granted Nov 10, 2015·1 cites·8 claims
- 1863US9112035B2Semiconductor substrate, field-effect transistor, integrated circuit, and method for fabricating semiconductor substrateYAMADA HISASHI·Filed 2012·Granted Aug 18, 2015·2 cites·10 claims
- 1962US9117658B2Method of producing semiconductor wafer, semiconductor wafer, method of producing semiconductor device and semiconductor deviceSUMITOMO CHEMICAL CO·Filed 2013·Granted Aug 25, 2015·1 cites·3 claims
- 2062US8809908B2Semiconductor wafer, semiconductor wafer manufacturing method, and electronic deviceTAKADA TOMOYUKI·Filed 2008·Granted Aug 19, 2014·1 cites·45 claims
- 2161US8901656B2Semiconductor wafer, field-effect transistor, method of producing semiconductor wafer, and method of producing field-effect transistorSUMITOMO CHEMICAL CO·Filed 2013·Granted Dec 2, 2014·1 cites·9 claims
- 2261US8772830B2Semiconductor wafer including lattice matched or pseudo-lattice matched buffer and GE layers, and electronic deviceTAKADA TOMOYUKI·Filed 2008·Granted Jul 8, 2014·1 cites·17 claims
- 2361US7951685B2Method for manufacturing semiconductor epitaxial crystal substrateSUMITOMO CHEMICAL CO·Filed 2007·Granted May 31, 2011·1 cites·8 claims
- 2460US10340375B2Epitaxial substrate for field effect transistorHATA MASAHIKO·Filed 2008·Granted Jul 2, 2019·1 cites·9 claims
- 2560US4976216AApparatus for vapor-phase growthSUMITOMO CHEMICAL CO·Filed 1988·Granted Dec 11, 1990·14 cites·4 claims
- 2658US8173094B2Method for producing polycrystalline siliconYAMABAYASHI TOSHIHARU·Filed 2006·Granted May 8, 2012·1 cites·7 claims
- 2756US2012273839A1Semiconductor wafer, method for producing semiconductor wafer, and method for producing photo-electric conversion deviceHATA MASAHIKO·Filed 2012·Application pending·0 cites
- 2855US8835906B2Sensor, semiconductor wafer, and method of producing semiconductor waferHATA MASAHIKO·Filed 2011·Granted Sep 16, 2014·0 cites·20 claims
- 2953US4425683ASeparable slide fastenerYOSHIDA KOGYO KK·Filed 1981·Granted Jan 17, 1984·12 cites·4 claims
- 3052US5332451AEpitaxially grown compound-semiconductor crystalSUMITOMO CHEMICAL CO·Filed 1992·Granted Jul 26, 1994·21 cites·17 claims
- 3151US7904765B2Test apparatus and test methodADVANTEST CORP·Filed 2007·Granted Mar 8, 2011·2 cites·16 claims
- 3250US8729677B2Semiconductor substrate, electronic device and method for manufacturing semiconductor substrateYAMANAKA SADANORI·Filed 2009·Granted May 20, 2014·0 cites·18 claims
- 3350US2011180903A1Semiconductor substrate, electronic device and method for manufacturing semiconductor substrateSUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 3450US2011186911A1Semiconductor substrate, electronic device and method for manufacturing semiconductor substrateSUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 3550US2011180849A1Semiconductor substrate, electronic device and method for manufacturing semiconductor substrateSUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 3650US2011227199A1Method for producing semiconductor substrate, semiconductor substrate, method for manufacturing electronic device, and reaction apparatusSUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 3749US8709904B2Method for producing semiconductor substrate, semiconductor substrate, method for manufacturing electronic device, and reaction apparatusTAKADA TOMOYUKI·Filed 2009·Granted Apr 29, 2014·0 cites·21 claims
- 3849US6864159B2Method for fabricating III-V compound semiconductorSUMITOMO CHEMICAL CO·Filed 2002·Granted Mar 8, 2005·2 cites·10 claims
- 3949US4450694AWarp-knit stringer tape for slide fastenerYOSHIDA KOGYO KK·Filed 1981·Granted May 29, 1984·6 cites·4 claims
- 4049US2011006368A1Semiconductor wafer, method of manufacturing a semiconductor wafer, and electronic deviceSUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 4149US2011186816A1Semiconductor device wafer, semiconductor device, design system, manufacturing method and design methodSUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 4248US8507952B2Semiconductor wafer, semiconductor device, and method for producing semiconductor waferYAMANAKA SADANORI·Filed 2012·Granted Aug 13, 2013·0 cites·24 claims
- 4348US2011012175A1Semiconductor wafer, semiconductor wafer manufacturing method, and electronic deviceSUMITOMO CHEMICAL CO·Filed 2008·Application pending·0 cites
- 4448US2011006399A1Semiconductor wafer and semiconductor wafer manufacturing methodSUMITOMO CHEMICAL CO·Filed 2008·Application pending·0 cites
- 4547US7595259B2Method for manufacturing compound semiconductor substrate with pn junctionSUMITOMO CHEMICAL CO·Filed 2005·Granted Sep 29, 2009·0 cites·7 claims
- 4647US2015047708A1Organic-inorganic hybrid photoelectric conversion deviceSUMITOMO CHEMICAL CO·Filed 2013·Application pending·0 cites
- 4746US2009320746A1Method for producing group iii-v compound semiconductorSUMITOMO CHEMICAL CO·Filed 2008·Application pending·0 cites
- 4845US8901605B2Semiconductor wafer, semiconductor device, and method of producing semiconductor waferSUMITOMO CHEMICAL CO·Filed 2013·Granted Dec 2, 2014·0 cites·15 claims
- 4945US2015155165A1Method of producing composite wafer and composite waferSUMITOMO CHEMICAL CO·Filed 2014·Application pending·0 cites
- 5044US2015137317A1Semiconductor wafer, method of producing a semiconductor wafer and method of producing a composite waferSUMITOMO CHEMICAL CO·Filed 2014·Application pending·0 cites
Showing the top 50 of 79 patent records by PatentIndex Score.
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