Inventor
HATA MASAHIKO
JP48 patents
⚠️ This page may combine multiple inventors who share the name “HATA MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
20 patentsUS5603764AFeb 18, 1997
Process for crystal growth of III-V group compound semiconductor
SUMITOMO CHEMICAL CO54 citations94
US5332451AJul 26, 1994
Epitaxially grown compound-semiconductor crystal
SUMITOMO CHEMICAL CO21 citations92
US7956366B2Jun 7, 2011
Monolithic light emitting device and driving method therefor
SUMITOMO CHEMICAL CO15 citations81
US6569693B2May 27, 2003
Method for fabricating epitaxial substrate
SUMITOMO CHEMICAL CO18 citations80
US5569954AOct 29, 1996
Epitaxial Inx Ga.sub.(1-x) As having a slanted crystallographic plane azimuth
SUMITOMO CHEMICAL CO8 citations72
US4976216ADec 11, 1990
Apparatus for vapor-phase growth
SUMITOMO CHEMICAL CO14 citations71
US6864159B2Mar 8, 2005
Method for fabricating III-V compound semiconductor
SUMITOMO CHEMICAL CO2 citations63
US8350292B2Jan 8, 2013
Gallium nitride epitaxial crystal, method for production thereof, and field effect transistor
SUMITOMO CHEMICAL CO2 citations61
US5982024ANov 9, 1999
High concentration doped semiconductor
SUMITOMO CHEMICAL CO5 citations61
US5441913AAug 15, 1995
Process of making a semiconductor epitaxial substrate
SUMITOMO CHEMICAL CO3 citations61
US5064778ANov 12, 1991
Vapor-phase epitaxial growth method
SUMITOMO CHEMICAL CO2 citations58
US8022440B2Sep 20, 2011
Compound semiconductor epitaxial substrate and manufacturing method thereof
SUMITOMO CHEMICAL CO0 citations52
US7923752B2Apr 12, 2011
Thin-film crystal wafer having pn junction and method for fabricating the wafer
SUMITOMO CHEMICAL CO0 citations52
US8901605B2Dec 2, 2014
Semiconductor wafer, semiconductor device, and method of producing semiconductor wafer
SUMITOMO CHEMICAL CO0 citations51
US8901656B2Dec 2, 2014
Semiconductor wafer, field-effect transistor, method of producing semiconductor wafer, and method of producing field-effect transistor
SUMITOMO CHEMICAL CO1 citations51
US7595259B2Sep 29, 2009
Method for manufacturing compound semiconductor substrate with pn junction
SUMITOMO CHEMICAL CO0 citations51
US9184240B2Nov 10, 2015
Method of producing semiconductor wafer, and semiconductor wafer
SUMITOMO CHEMICAL CO1 citations50
US7951685B2May 31, 2011
Method for manufacturing semiconductor epitaxial crystal substrate
SUMITOMO CHEMICAL CO1 citations50
US9117658B2Aug 25, 2015
Method of producing semiconductor wafer, semiconductor wafer, method of producing semiconductor device and semiconductor device
SUMITOMO CHEMICAL CO1 citations49
US6191014B1Feb 20, 2001
Method for manufacturing compound semiconductor
SUMITOMO CHEMICAL CO0 citations45
HATA MASAHIKO
9 patentsUS8633496B2Jan 21, 2014
Optical device and semiconductor wafer
HATA MASAHIKO12 citations83
US8766318B2Jul 1, 2014
Semiconductor wafer, method of manufacturing a semiconductor wafer, and electronic device
HATA MASAHIKO5 citations73
US8686472B2Apr 1, 2014
Semiconductor substrate, electronic device and method for manufacturing semiconductor substrate
HATA MASAHIKO4 citations73
US8150647B2Apr 3, 2012
Electric device and diagnostic apparatus
HATA MASAHIKO2 citations62
US10340375B2Jul 2, 2019
Epitaxial substrate for field effect transistor
HATA MASAHIKO1 citations60
US8835980B2Sep 16, 2014
Semiconductor wafer, photoelectric conversion device, method of producing semiconductor wafer, and method of producing photoelectric conversion device
HATA MASAHIKO1 citations51
US8878250B2Nov 4, 2014
Electronic device and method for producing electronic device
HATA MASAHIKO0 citations41
US8835906B2Sep 16, 2014
Sensor, semiconductor wafer, and method of producing semiconductor wafer
HATA MASAHIKO0 citations40
US8779471B2Jul 15, 2014
Field-effect transistor, semiconductor wafer, method for producing field-effect transistor and method for producing semiconductor wafer
HATA MASAHIKO0 citations40
TAKADA TOMOYUKI
5 patentsUS8716836B2May 6, 2014
Semiconductor wafer, semiconductor wafer manufacturing method, and electronic device
TAKADA TOMOYUKI2 citations61
US8809908B2Aug 19, 2014
Semiconductor wafer, semiconductor wafer manufacturing method, and electronic device
TAKADA TOMOYUKI1 citations51
US8772830B2Jul 8, 2014
Semiconductor wafer including lattice matched or pseudo-lattice matched buffer and GE layers, and electronic device
TAKADA TOMOYUKI1 citations51
US8709904B2Apr 29, 2014
Method for producing semiconductor substrate, semiconductor substrate, method for manufacturing electronic device, and reaction apparatus
TAKADA TOMOYUKI0 citations41
US8823141B2Sep 2, 2014
Semiconductor wafer, method of producing semiconductor wafer, electronic device, and method of producing electronic device
TAKADA TOMOYUKI0 citations40
YAMANAKA SADANORI
3 patentsUS8890213B2Nov 18, 2014
Semiconductor wafer, electronic device, a method of producing semiconductor wafer, and method of producing electronic device
YAMANAKA SADANORI2 citations60
US8729677B2May 20, 2014
Semiconductor substrate, electronic device and method for manufacturing semiconductor substrate
YAMANAKA SADANORI0 citations50
US8507952B2Aug 13, 2013
Semiconductor wafer, semiconductor device, and method for producing semiconductor wafer
YAMANAKA SADANORI0 citations50