Inventor
NISHIBAYASHI YOSHIKI
JP80 patents
⚠️ This page may combine multiple inventors who share the name “NISHIBAYASHI YOSHIKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
46 patentsUS6030595AFeb 29, 2000
Process for the production of synthetic diamond
SUMITOMO ELECTRIC INDUSTRIES89 citations98
US6270848B1Aug 7, 2001
Heat sink material for use with semiconductor component and method for fabricating the same, and semiconductor package using the same
SUMITOMO ELECTRIC INDUSTRIES42 citations96
US6171691B1Jan 9, 2001
Heat sink material for use with semiconductor component and method for fabricating the same, and semiconductor package using the same
SUMITOMO ELECTRIC INDUSTRIES58 citations96
US6031285AFeb 29, 2000
Heat sink for semiconductors and manufacturing process thereof
SUMITOMO ELECTRIC INDUSTRIES65 citations96
US5729074AMar 17, 1998
Micro mechanical component and production process thereof
SUMITOMO ELECTRIC INDUSTRIES53 citations96
US5382809AJan 17, 1995
Semiconductor device including semiconductor diamond
SUMITOMO ELECTRIC INDUSTRIES54 citations96
US5976909ANov 2, 1999
Method of forming diamond heat sink comprising synthetic diamond film
SUMITOMO ELECTRIC INDUSTRIES27 citations93
US5903015AMay 11, 1999
Field effect transistor using diamond
SUMITOMO ELECTRIC INDUSTRIES34 citations93
US5874775AFeb 23, 1999
Diamond heat sink including microchannel therein and methods for manufacturing diamond heat sinks
SUMITOMO ELECTRIC INDUSTRIES52 citations93
US5812573ASep 22, 1998
Semiconductor lasers comprising rare earth metal-doped diamond
SUMITOMO ELECTRIC INDUSTRIES33 citations93
US5670796ASep 23, 1997
Semiconductor device consisting of a semiconductor material having a deep impurity level
SUMITOMO ELECTRIC INDUSTRIES36 citations93
US5663595ASep 2, 1997
Diamond heat sink comprising synthetic diamond film
SUMITOMO ELECTRIC INDUSTRIES29 citations93
US5500077AMar 19, 1996
Method of polishing/flattening diamond
SUMITOMO ELECTRIC INDUSTRIES33 citations93
US5417798AMay 23, 1995
Etching method
SUMITOMO ELECTRIC INDUSTRIES28 citations93
US5344526ASep 6, 1994
Method for etching diamond
SUMITOMO ELECTRIC INDUSTRIES30 citations93
US5252840AOct 12, 1993
Semiconductor device having differently doped diamond layers
SUMITOMO ELECTRIC INDUSTRIES39 citations93
US5243199ASep 7, 1993
High frequency device
SUMITOMO ELECTRIC INDUSTRIES35 citations93
US5132749AJul 21, 1992
Semiconductor device
SUMITOMO ELECTRIC INDUSTRIES56 citations93
US7710013B2May 4, 2010
Electron emitting device with projection comprising base portion and electron emission portion
SUMITOMO ELECTRIC INDUSTRIES19 citations92
US5844252ADec 1, 1998
Field emission devices having diamond field emitter, methods for making same, and methods for fabricating porous diamond
SUMITOMO ELECTRIC INDUSTRIES49 citations92
US5600156AFeb 4, 1997
Diamond semiconductor device with P-I-N type multilayer structure
SUMITOMO ELECTRIC INDUSTRIES23 citations92
US5552613ASep 3, 1996
Electron device
SUMITOMO ELECTRIC INDUSTRIES22 citations92
US5420879AMay 30, 1995
Solid state laser
SUMITOMO ELECTRIC INDUSTRIES32 citations92
US7172957B2Feb 6, 2007
Method of fabricating n-type semiconductor diamond, and semiconductor diamond
SUMITOMO ELECTRIC INDUSTRIES13 citations84
US7307377B2Dec 11, 2007
Electron emitting device with projection comprising base portion and electron emission portion
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US6876136B2Apr 5, 2005
Electron emission element
SUMITOMO ELECTRIC INDUSTRIES8 citations74
US5943555AAug 24, 1999
Micro mechanical component and production process thereof
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US5757032AMay 26, 1998
Semiconductor diamond device having improved metal-diamond contact for excellent operating stability at elevated temperature
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US5668382ASep 16, 1997
Ohmic electrode and method for forming it
SUMITOMO ELECTRIC INDUSTRIES12 citations74
US5527735AJun 18, 1996
Ohmic electrode of n-type semiconductor cubic boron nitride and method of producing same
SUMITOMO ELECTRIC INDUSTRIES6 citations74
US5500393AMar 19, 1996
Method for fabricating a schottky junction
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US5162886ANov 10, 1992
Hall device
SUMITOMO ELECTRIC INDUSTRIES14 citations74
US10822693B2Nov 3, 2020
Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate
SUMITOMO ELECTRIC INDUSTRIES1 citations73
US10304739B2May 28, 2019
Method for manufacturing semiconductor substrate, semiconductor substrate, method for manufacturing combined semiconductor substrate, combined semiconductor substrate, and semiconductor-joined substrate
SUMITOMO ELECTRIC INDUSTRIES5 citations73
US11181590B2Nov 23, 2021
Diamond magnetic sensor
SUMITOMO ELECTRIC INDUSTRIES1 citations63
US9441312B2Sep 13, 2016
Diamond single crystal, method for producing the same, and single crystal diamond tool
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7737614B2Jun 15, 2010
Diamond electron emission cathode, electron emission source, electron microscope, and electron beam exposure device
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US7476895B2Jan 13, 2009
Method of fabricating n-type semiconductor diamond, and semiconductor diamond
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US12553958B2Feb 17, 2026
Diamond magneto-optical sensor and diamond magneto-optical sensor system
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US12523721B2Jan 13, 2026
Diamond magnetic sensor unit and diamond magnetic sensor system
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US12461173B2Nov 4, 2025
Diamond magneto-optical sensor
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US12449457B2Oct 21, 2025
Diamond sensor unit
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US12286726B2Apr 29, 2025
Diamond composite body, substrate, diamond, tool including diamond, and method for manufacturing diamond
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US11692264B2Jul 4, 2023
Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US11371139B2Jun 28, 2022
Method of manufacturing diamond, diamond, diamond composite substrate, diamond joined substrate, and tool
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US11359275B2Jun 14, 2022
Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate
SUMITOMO ELECTRIC INDUSTRIES0 citations62
JAPAN FINE CERAMICS CT
4 patentsUS7147918B2Dec 12, 2006
Microfabricated diamond element and method of fabricating microfabricated diamond element
JAPAN FINE CERAMICS CT8 citations74
US6958571B2Oct 25, 2005
Electron-emitting device
JAPAN FINE CERAMICS CT7 citations73
US7026750B2Apr 11, 2006
Electron emission element
JAPAN FINE CERAMICS CT5 citations63
US6423982B2Jul 23, 2002
Diamond interconnection substrate and a manufacturing method therefor
JAPAN FINE CERAMICS CT5 citations63
Showing the top 50 of 80 patents by PatentIndex Score.