Inventor
YOKOYAMA TAKAHIRO
JP50 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO ELECTRON LTD
10 patentsUS11615964B2Mar 28, 2023
Etching method
TOKYO ELECTRON LTD2 citations72
US11551937B2Jan 10, 2023
Etching method
TOKYO ELECTRON LTD2 citations72
US12142484B2Nov 12, 2024
Etching method
TOKYO ELECTRON LTD0 citations62
US11600501B2Mar 7, 2023
Etching method and plasma processing apparatus
TOKYO ELECTRON LTD0 citations62
US11367610B2Jun 21, 2022
Film forming and process container cleaning method
TOKYO ELECTRON LTD1 citations62
US12387941B2Aug 12, 2025
Etching method and plasma processing apparatus
TOKYO ELECTRON LTD0 citations61
US11417535B2Aug 16, 2022
Etching method and plasma processing apparatus
TOKYO ELECTRON LTD0 citations61
US11710644B2Jul 25, 2023
Etching method and plasma processing apparatus
TOKYO ELECTRON LTD0 citations55
US11495468B2Nov 8, 2022
Etching method and etching apparatus
TOKYO ELECTRON LTD0 citations52
US11456180B2Sep 27, 2022
Etching method
TOKYO ELECTRON LTD0 citations51
RENESAS TECH CORP
7 patentsUS7646642B2Jan 12, 2010
Semiconductor device
RENESAS TECH CORP20 citations91
US7514737B2Apr 7, 2009
Semiconductor memory device
RENESAS TECH CORP9 citations84
US6741510B2May 25, 2004
Semiconductor memory device capable of performing burn-in test at high speed
RENESAS TECH CORP14 citations83
US7064398B2Jun 20, 2006
Semiconductor memory device
RENESAS TECH CORP10 citations74
US6781869B2Aug 24, 2004
Semiconductor memory
RENESAS TECH CORP10 citations74
US7791122B2Sep 7, 2010
Semiconductor memory device
RENESAS TECH CORP2 citations63
US6891743B2May 10, 2005
Semiconductor memory device having a capacitive plate to reduce soft errors
RENESAS TECH CORP6 citations63
DAIKIN IND LTD
6 patentsUS11750131B2Sep 5, 2023
Motor drive method and motor drive apparatus
DAIKIN IND LTD2 citations73
US11313343B2Apr 26, 2022
Hydroelectric power generation system
DAIKIN IND LTD3 citations72
US11041476B2Jun 22, 2021
Hydroelectric power generation system
DAIKIN IND LTD4 citations72
US11736050B2Aug 22, 2023
Motor drive method and motor drive apparatus
DAIKIN IND LTD0 citations62
US11824472B2Nov 21, 2023
Motor drive apparatus and cooling apparatus
DAIKIN IND LTD0 citations51
US11898532B2Feb 13, 2024
Hydropower generation system and power generator control method
DAIKIN IND LTD0 citations50
SENJU METAL INDUSTRY CO
5 patentsUS11123824B2Sep 21, 2021
Solder alloy
SENJU METAL INDUSTRY CO1 citations62
US11241760B2Feb 8, 2022
Solder alloy, solder paste, solder ball, resin flux-cored solder and solder joint
SENJU METAL INDUSTRY CO0 citations61
US10500680B2Dec 10, 2019
Solder alloy, solder ball, and solder joint
SENJU METAL INDUSTRY CO1 citations60
US12583061B2Mar 24, 2026
Solder alloy, solder paste, and solder joint
SENJU METAL INDUSTRY CO0 citations58
US11992902B2May 28, 2024
Solder alloy and solder joint
SENJU METAL INDUSTRY CO0 citations52
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS5982236ANov 9, 1999
High-frequency power amplifier
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations92
US6046501AApr 4, 2000
RF-driven semiconductor device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations83
US6429471B1Aug 6, 2002
Compound semiconductor field effect transistor and method for the fabrication thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US5942772AAug 24, 1999
Semiconductor device and method of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52