P

Inventor

YAMAMOTO YOSHIYUKI

JP103 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO YOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO ELECTRIC INDUSTRIES

29 patents
US6316826B1Nov 13, 2001

Semiconductor mounting package

SUMITOMO ELECTRIC INDUSTRIES71 citations96
US6129145AOct 10, 2000

Heat dissipator including coolant passage and method of fabricating the same

SUMITOMO ELECTRIC INDUSTRIES81 citations96
US5677372AOct 14, 1997

Diamond reinforced composite material

SUMITOMO ELECTRIC INDUSTRIES96 citations96
US5642779AJul 1, 1997

Heat sink and a process for the production of the same

SUMITOMO ELECTRIC INDUSTRIES50 citations96
US5878110AMar 2, 1999

X-ray generation apparatus

SUMITOMO ELECTRIC INDUSTRIES41 citations93
US5791045AAug 11, 1998

Process for the production of a diamond heat sink

SUMITOMO ELECTRIC INDUSTRIES24 citations93
US5682063AOct 28, 1997

Substrate for semiconductor device

SUMITOMO ELECTRIC INDUSTRIES21 citations93
US5657365AAug 12, 1997

X-ray generation apparatus

SUMITOMO ELECTRIC INDUSTRIES44 citations93
US6641861B2Nov 4, 2003

Heatsink and fabrication method thereof

SUMITOMO ELECTRIC INDUSTRIES19 citations92
US6361857B1Mar 26, 2002

Heatsink and fabrication method thereof

SUMITOMO ELECTRIC INDUSTRIES30 citations92
US6335863B1Jan 1, 2002

Package for semiconductors, and semiconductor module that employs the package

SUMITOMO ELECTRIC INDUSTRIES32 citations92
US5785754AJul 28, 1998

Substrate, semiconductor device, element-mounted device and preparation of substrate

SUMITOMO ELECTRIC INDUSTRIES28 citations92
US6103401AAug 15, 2000

Window for an optical use and a process for the production of the same

SUMITOMO ELECTRIC INDUSTRIES22 citations90
US7995267B2Aug 9, 2011

Wavelength converter manufacturing method and wavelength converter

SUMITOMO ELECTRIC INDUSTRIES7 citations84
US7481879B2Jan 27, 2009

Diamond single crystal substrate manufacturing method and diamond single crystal substrate

SUMITOMO ELECTRIC INDUSTRIES8 citations84
US7390695B2Jun 24, 2008

Diamond substrate and manufacturing method thereof

SUMITOMO ELECTRIC INDUSTRIES12 citations84
US7524372B2Apr 28, 2009

Method for manufacturing diamond single crystal substrate

SUMITOMO ELECTRIC INDUSTRIES5 citations74
US5499601AMar 19, 1996

Method for vapor phase synthesis of diamond

SUMITOMO ELECTRIC INDUSTRIES10 citations74
US10822693B2Nov 3, 2020

Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate

SUMITOMO ELECTRIC INDUSTRIES1 citations73
US5788766AAug 4, 1998

Window and preparation thereof

SUMITOMO ELECTRIC INDUSTRIES10 citations73
US11758813B2Sep 12, 2023

Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module, optical sensor, and method for manufacturing thermoelectric conversion material

SUMITOMO ELECTRIC INDUSTRIES2 citations72
US10600676B2Mar 24, 2020

Group III nitride composite substrate and method for manufacturing the same, and method for manufacturing group III nitride semiconductor device

SUMITOMO ELECTRIC INDUSTRIES2 citations72
US9923063B2Mar 20, 2018

Group III nitride composite substrate and method for manufacturing the same, laminated group III nitride composite substrate, and group III nitride semiconductor device and method for manufacturing the same

SUMITOMO ELECTRIC INDUSTRIES3 citations72
US9917004B2Mar 13, 2018

Group III nitride composite substrate and method for manufacturing the same, and method for manufacturing group III nitride semiconductor device

SUMITOMO ELECTRIC INDUSTRIES2 citations72
US11282997B2Mar 22, 2022

Thermoelectric conversion material, thermoelectric conversion element and production method of thermoelectric conversion material

SUMITOMO ELECTRIC INDUSTRIES0 citations63
US7892356B2Feb 22, 2011

Diamond composite substrate and process for producing the same

SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7807126B2Oct 5, 2010

Diamond single crystal substrate

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
US7407549B2Aug 5, 2008

Diamond single crystal composite substrate and method for manufacturing the same

SUMITOMO ELECTRIC INDUSTRIES2 citations63

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

7 patents

TORAY INDUSTRIES

7 patents

NIPPON STEEL CORP

1 patent

KOJIMA PRESS KOGYO KK

1 patent

TOSHIBA KK

1 patent

RIKAGAKU KENKYUSHO

1 patent

YOKOHAMA RUBBER CO LTD

1 patent

PANASONIC CORP

1 patent

YAMAHA MOTOR CO LTD

1 patent

Showing the top 50 of 103 patents by PatentIndex Score.