Inventor
NAKAHATA HIDEAKI
JP106 patents
⚠️ This page may combine multiple inventors who share the name “NAKAHATA HIDEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
46 patentsUS6051063AApr 18, 2000
Diamond wafer and method of producing a diamond wafer
SUMITOMO ELECTRIC INDUSTRIES51 citations96
US5446329AAug 29, 1995
Surface acoustic wave element
SUMITOMO ELECTRIC INDUSTRIES52 citations96
US5373171ADec 13, 1994
Thin film single crystal substrate
SUMITOMO ELECTRIC INDUSTRIES74 citations96
US4982243AJan 1, 1991
Schottky contact
SUMITOMO ELECTRIC INDUSTRIES62 citations96
US4952832AAug 28, 1990
Surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES88 citations96
US7772585B2Aug 10, 2010
Nitride semiconductor substrate and method of producing same
SUMITOMO ELECTRIC INDUSTRIES24 citations93
US7732236B2Jun 8, 2010
III nitride semiconductor crystal and manufacturing method thereof, III nitride semiconductor device manufacturing method thereof, and light emitting device
SUMITOMO ELECTRIC INDUSTRIES20 citations93
US5976909ANov 2, 1999
Method of forming diamond heat sink comprising synthetic diamond film
SUMITOMO ELECTRIC INDUSTRIES27 citations93
US5874775AFeb 23, 1999
Diamond heat sink including microchannel therein and methods for manufacturing diamond heat sinks
SUMITOMO ELECTRIC INDUSTRIES52 citations93
US5838090ANov 17, 1998
Surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES21 citations93
US5777422AJul 7, 1998
Diamond-ZnO surface acoustic wave device having relatively thinner ZnO piezoelectric layer
SUMITOMO ELECTRIC INDUSTRIES22 citations93
US5663595ASep 2, 1997
Diamond heat sink comprising synthetic diamond film
SUMITOMO ELECTRIC INDUSTRIES29 citations93
US5646468AJul 8, 1997
Diamond-LiTaO3 surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES20 citations93
US5565724AOct 15, 1996
Orientational material, orientational substrate and surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES38 citations93
US5565725AOct 15, 1996
Surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES19 citations93
US5497726AMar 12, 1996
Method of manufacturing a surface acoustic wave element
SUMITOMO ELECTRIC INDUSTRIES23 citations93
US5426340AJun 20, 1995
Surface acoustic wave device and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES44 citations93
US5401544AMar 28, 1995
Method for manufacturing a surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES48 citations93
US5390401AFeb 21, 1995
Method for producing a surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES40 citations93
US5355568AOct 18, 1994
Method of making a surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES32 citations93
US5343107AAug 30, 1994
Surface acoustic wave element and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES35 citations93
US5329208AJul 12, 1994
Surface acoustic wave device and method for producing the same
SUMITOMO ELECTRIC INDUSTRIES40 citations93
US5320865AJun 14, 1994
Method of manufacturing a surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES23 citations93
US5294858AMar 15, 1994
Surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES24 citations93
US5221870AJun 22, 1993
Surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES43 citations93
US5160869ANov 3, 1992
Surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES30 citations93
US6320296B1Nov 20, 2001
Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES31 citations92
US6210780B1Apr 3, 2001
Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES17 citations92
US5776246AJul 7, 1998
Diamond wafer and method of producing a diamond wafer
SUMITOMO ELECTRIC INDUSTRIES32 citations92
US5440189AAug 8, 1995
Surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES43 citations87
US7995267B2Aug 9, 2011
Wavelength converter manufacturing method and wavelength converter
SUMITOMO ELECTRIC INDUSTRIES7 citations84
US7771532B2Aug 10, 2010
Nitride semiconductor substrate and method of producing same
SUMITOMO ELECTRIC INDUSTRIES14 citations84
US7691732B2Apr 6, 2010
Manufacturing method of nitride substrate, nitride substrate, and nitride-based semiconductor device
SUMITOMO ELECTRIC INDUSTRIES8 citations84
US7528055B2May 5, 2009
Method of producing a nitride semiconductor device and nitride semiconductor device
SUMITOMO ELECTRIC INDUSTRIES15 citations84
US6642813B1Nov 4, 2003
Surface acoustic wave device utilizing a ZnO layer and a diamond layer
SUMITOMO ELECTRIC INDUSTRIES14 citations84
US5081438AJan 14, 1992
Thermistor and its preparation
SUMITOMO ELECTRIC INDUSTRIES19 citations82
US5001452AMar 19, 1991
Semiconducting diamond and process for producing the same
SUMITOMO ELECTRIC INDUSTRIES19 citations82
US10693387B2Jun 23, 2020
Transformer
SUMITOMO ELECTRIC INDUSTRIES9 citations81
US6448688B2Sep 10, 2002
Hard carbon film and surface-acoustic-wave substrate
SUMITOMO ELECTRIC INDUSTRIES13 citations74
US6356006B1Mar 12, 2002
Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES5 citations74
US6025636AFeb 15, 2000
Surface acoustic wave device incorporating single crystal LiNbO3
SUMITOMO ELECTRIC INDUSTRIES14 citations74
US5814918ASep 29, 1998
Diamond-ZnO surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US5750243AMay 12, 1998
Surface acoustic wave device and diamond base material for the same
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US5501909AMar 26, 1996
Polycrystalline diamond substrate and process for producing the same
SUMITOMO ELECTRIC INDUSTRIES8 citations74
US5235236AAug 10, 1993
Surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES17 citations74
US5162886ANov 10, 1992
Hall device
SUMITOMO ELECTRIC INDUSTRIES14 citations74
MIZUHARA NAHO
2 patentsNEC CORP
1 patentSEIKO EPSON CORP
1 patentShowing the top 50 of 106 patents by PatentIndex Score.