Inventor
YOSHIMURA MASASHI
JP73 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIMURA MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
12 patentsUS5369065ANov 29, 1994
Silicon nitride sintered body and process for producing the same
SUMITOMO ELECTRIC INDUSTRIES32 citations92
US7905958B2Mar 15, 2011
Group III-nitride semiconductor crystal and manufacturing method thereof, and group III-nitride semiconductor device
SUMITOMO ELECTRIC INDUSTRIES10 citations84
US6844282B2Jan 18, 2005
Silicon nitride based composite sintered product and method for production thereof
SUMITOMO ELECTRIC INDUSTRIES6 citations74
US5459111AOct 17, 1995
Composite ceramics sintered body
SUMITOMO ELECTRIC INDUSTRIES8 citations74
US5424256AJun 13, 1995
Silicon nitride sintered body
SUMITOMO ELECTRIC INDUSTRIES17 citations73
US6599637B1Jul 29, 2003
Silicon nitride composite substrate
SUMITOMO ELECTRIC INDUSTRIES8 citations71
US7348286B2Mar 25, 2008
Ceramic composite material and method of its manufacture
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US7288151B2Oct 30, 2007
Method of manufacturing group-III nitride crystal
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7132061B2Nov 7, 2006
Electroconductive silicon nitride based composite sintered body and method for preparation thereof
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7008893B2Mar 7, 2006
Silicon nitride-based composite sintered body and producing method thereof
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US6911162B2Jun 28, 2005
Conductive silicon nitride composite sintered body and a process for the production thereof
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US5585055ADec 17, 1996
Method of manufacturing a composite ceramics sintered body
SUMITOMO ELECTRIC INDUSTRIES2 citations63
UNIV OSAKA
9 patentsUS7948673B2May 24, 2011
Optical wavelength conversion element having a cesium-lithium-borate crystal
UNIV OSAKA14 citations83
US9834859B2Dec 5, 2017
Method for producing group III nitride crystal, group III nitride crystal, and semiconductor device
UNIV OSAKA9 citations82
US11155931B2Oct 26, 2021
Method for manufacturing a group III-nitride crystal comprising supplying a group III-element oxide gas and a nitrogen element-containing gas at a supersaturation ratio of greater than 1 and equal to or less than 5
UNIV OSAKA2 citations71
US7959729B2Jun 14, 2011
Method for producing group-III-element nitride single crystals and apparatus used therein
UNIV OSAKA2 citations63
US10927476B2Feb 23, 2021
Production method for group III nitride crystal
UNIV OSAKA1 citations62
US11795573B2Oct 24, 2023
Method of manufacturing group III nitride crystal by reacting an oxidizing gas containing nitrogen with a group III element droplet and growing a group III nitride crystal on a seed substrate
UNIV OSAKA0 citations61
US11753739B2Sep 12, 2023
Method for manufacturing a group III-nitride crystal comprising supplying a group III-element oxide gas and a nitrogen element-containng gas at a supersation ratio of greater than 1 and equal to or less than 5
UNIV OSAKA0 citations61
US11396716B2Jul 26, 2022
Group-III nitride substrate containing carbon at a surface region thereof
UNIV OSAKA0 citations61
US10202710B2Feb 12, 2019
Process for producing group III nitride crystal and apparatus for producing group III nitride crystal
UNIV OSAKA1 citations60
TAIKO KIKAI IND CO LTD
5 patentsUS6371744B1Apr 16, 2002
Dry screw vacuum pump having spheroidal graphite cast iron rotors
TAIKO KIKAI IND CO LTD21 citations90
US7214036B2May 8, 2007
Screw type vacuum pump
TAIKO KIKAI IND CO LTD17 citations84
US6315535B1Nov 13, 2001
Screw vacuum pump having valve controlled cooling chambers
TAIKO KIKAI IND CO LTD16 citations77
US6375443B1Apr 23, 2002
Screw rotor type wet vacuum pump
TAIKO KIKAI IND CO LTD11 citations74
US6964560B2Nov 15, 2005
Vacuum pump
TAIKO KIKAI IND CO LTD5 citations63
JAPAN SCIENCE & TECH CORP
4 patentsUS6843849B1Jan 18, 2005
Method and apparatus for growing high quality single crystal
JAPAN SCIENCE & TECH CORP12 citations84
US7006539B1Feb 28, 2006
Nonlinear optical crystal
JAPAN SCIENCE & TECH CORP8 citations74
US6551528B1Apr 22, 2003
Wavelength conversion crystal and method for generating laser beam, and apparatus for generating laser beam
JAPAN SCIENCE & TECH CORP9 citations74
US7029528B2Apr 18, 2006
Method for flattening surface of oxide crystal to ultra high degree
JAPAN SCIENCE & TECH CORP3 citations63
PANASONIC CORP
3 patentsUS11713516B2Aug 1, 2023
Group III nitride crystal, group III nitride substrate, and method of manufacturing group III nitride crystal
PANASONIC CORP0 citations61
US11713517B2Aug 1, 2023
Group-III nitride substrate
PANASONIC CORP0 citations61
US11624128B2Apr 11, 2023
Group III nitride crystal, group III nitride substrate, and method of manufacturing group III nitride crystal
PANASONIC CORP0 citations61
KOMATSU MFG CO LTD
2 patentsBANDO CHEMICAL IND
2 patentsMAXELL HOLDINGS LTD
2 patentsUS10586353B2Mar 10, 2020
Plant information acquisition system, plant information acquisition device, plant information acquisition method, crop management system and crop management method
MAXELL HOLDINGS LTD6 citations71
US10098545B2Oct 16, 2018
Lens information management system for surface condition measurement and analysis and information management method for surface condition measurement and analysis
MAXELL HOLDINGS LTD2 citations64
VICTOR COMPANY OF JAPAN
1 patentAGENCY IND SCIENCE TECHN
1 patentTOYODA GOSEI KK
1 patentDISCO CORP
1 patentHITACHI MAXELL
1 patentMAXELL LTD
1 patentMITSUBISHI ELECTRIC CORP
1 patentPANASONIC HOLDINGS CORP
1 patentSATOH ISSEI
1 patentMORI YUSUKE
1 patentOSAKA IND PROMOTION ORG
1 patentShowing the top 50 of 73 patents by PatentIndex Score.