Inventor · disambiguated record
Sadanori Yamanaka
Also filed as: YAMANAKA SADANORI
19 granted patents·5 pending applications·57 citations·filing 2002–2016
91Inventor score
Files withSUMITOMO CHEMICAL CO8TAKADA TOMOYUKI5YAMANAKA SADANORI5HATA MASAHIKO4AGENCY IND SCIENCE TECHN1
Top patents by PatentIndex Score
24 records- 0190US8633496B2Optical device and semiconductor waferHATA MASAHIKO·Filed 2011·Granted Jan 21, 2014·12 cites·17 claims
- 0282US7459326B2Method for producing and epitaxial substrate for compound semiconductor light-emitting deviceSUMITOMO CHEMICAL CO·Filed 2006·Granted Dec 2, 2008·8 cites·9 claims
- 0371US7897993B2GaN based luminescent device on a metal substrateSUMITOMO CHEMICAL CO·Filed 2005·Granted Mar 1, 2011·4 cites·4 claims
- 0468US8890213B2Semiconductor 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
- 0567US7098484B2Epitaxial substrate for compound semiconductor light-emitting device, method for producing the same and light-emitting deviceSUMITOMO CHEMICAL CO·Filed 2003·Granted Aug 29, 2006·13 cites·7 claims
- 0666US8716836B2Semiconductor wafer, semiconductor wafer manufacturing method, and electronic deviceTAKADA TOMOYUKI·Filed 2008·Granted May 6, 2014·2 cites·34 claims
- 0763US8097887B2Light emitting device having a monotone decreasing functionYAMANAKA SADANORI·Filed 2007·Granted Jan 17, 2012·2 cites·18 claims
- 0862US8809908B2Semiconductor wafer, semiconductor wafer manufacturing method, and electronic deviceTAKADA TOMOYUKI·Filed 2008·Granted Aug 19, 2014·1 cites·45 claims
- 0961US8772830B2Semiconductor 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
- 1057US6727171B2Diamond pn junction diode and method for the fabrication thereofFiled 2003·Granted Apr 27, 2004·8 cites·4 claims
- 1155US8835906B2Sensor, semiconductor wafer, and method of producing semiconductor waferHATA MASAHIKO·Filed 2011·Granted Sep 16, 2014·0 cites·20 claims
- 1253US6756086B2Method for the fabrication of a diamond semiconductorAGENCY IND SCIENCE TECHN·Filed 2002·Granted Jun 29, 2004·4 cites·3 claims
- 1350US8729677B2Semiconductor substrate, electronic device and method for manufacturing semiconductor substrateYAMANAKA SADANORI·Filed 2009·Granted May 20, 2014·0 cites·18 claims
- 1449US2011186816A1Semiconductor device wafer, semiconductor device, design system, manufacturing method and design methodSUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 1548US8507952B2Semiconductor wafer, semiconductor device, and method for producing semiconductor waferYAMANAKA SADANORI·Filed 2012·Granted Aug 13, 2013·0 cites·24 claims
- 1648US2011012175A1Semiconductor wafer, semiconductor wafer manufacturing method, and electronic deviceSUMITOMO CHEMICAL CO·Filed 2008·Application pending·0 cites
- 1748US2011006399A1Semiconductor wafer and semiconductor wafer manufacturing methodSUMITOMO CHEMICAL CO·Filed 2008·Application pending·0 cites
- 1845US8901605B2Semiconductor wafer, semiconductor device, and method of producing semiconductor waferSUMITOMO CHEMICAL CO·Filed 2013·Granted Dec 2, 2014·0 cites·15 claims
- 1942US8878250B2Electronic device and method for producing electronic deviceHATA MASAHIKO·Filed 2012·Granted Nov 4, 2014·0 cites·9 claims
- 2042US8691674B2Method for producing group 3-5 nitride semiconductor and method for producing light-emitting deviceYAMANAKA SADANORI·Filed 2006·Granted Apr 8, 2014·0 cites·15 claims
- 2142US2012086044A1Light emitting device and method of producing light emitting deviceHATA MASAHIKO·Filed 2011·Application pending·0 cites
- 2239US8823141B2Semiconductor wafer, method of producing semiconductor wafer, electronic device, and method of producing electronic deviceTAKADA TOMOYUKI·Filed 2010·Granted Sep 2, 2014·0 cites·18 claims
- 2339US2012319171A1Semiconductor wafer, semiconductor device, and a method of producing a semiconductor waferTAKADA TOMOYUKI·Filed 2012·Application pending·0 cites
- 2437US9761686B2Semiconductor wafer, method of producing semiconductor wafer, and heterojunction bipolar transistorSUMITOMO CHEMICAL CO·Filed 2016·Granted Sep 12, 2017·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →