Inventor
YAMASAKI KAZUYA
JP21 patents
⚠️ This page may combine multiple inventors who share the name “YAMASAKI KAZUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PANASONIC IP MAN CO LTD
11 patentsUS11923550B2Mar 5, 2024
Catalyst layer for fuel cell, and fuel cell
PANASONIC IP MAN CO LTD0 citations62
US11682770B2Jun 20, 2023
Catalyst layer for fuel cell, membrane electrode assembly, and fuel cell
PANASONIC IP MAN CO LTD0 citations62
US11145873B2Oct 12, 2021
Membrane electrode assembly and fuel cell comprising core-shell catalyst
PANASONIC IP MAN CO LTD1 citations61
US10388966B2Aug 20, 2019
Electrode catalyst material, and fuel cell
PANASONIC IP MAN CO LTD1 citations61
US12462986B2Nov 4, 2025
Electrolytic capacitor and method for producing same
PANASONIC IP MAN CO LTD0 citations60
US12424390B2Sep 23, 2025
Electrolytic capacitor and method for producing same
PANASONIC IP MAN CO LTD0 citations60
US12068487B2Aug 20, 2024
Cathode catalyst layer for fuel cell and fuel cell
PANASONIC IP MAN CO LTD0 citations51
US11569519B2Jan 31, 2023
Membrane electrode assembly and fuel cell
PANASONIC IP MAN CO LTD0 citations51
US11011769B2May 18, 2021
Fuel cell catalyst layer, membrane electrode assembly, and fuel cell
PANASONIC IP MAN CO LTD0 citations50
US12125646B2Oct 22, 2024
Capacitor element and electrolytic capacitor
PANASONIC IP MAN CO LTD0 citations49
US10714761B2Jul 14, 2020
Catalyst layer for fuel cell, and fuel cell
PANASONIC IP MAN CO LTD0 citations40
PANASONIC CORP
5 patentsUS7877856B2Feb 1, 2011
Method of manufacturing a speaker
PANASONIC CORP11 citations83
US7548632B2Jun 16, 2009
Speaker, module using the same, electronic equipment and device, and speaker producing method
PANASONIC CORP11 citations83
US7583812B2Sep 1, 2009
Electro-acoustic converter and electronic device using the same
PANASONIC CORP7 citations73
US8023685B2Sep 20, 2011
Electroacoustic transducer and electronic device using the same
PANASONIC CORP2 citations62
US7634102B2Dec 15, 2009
Speaker and device using the same
PANASONIC CORP3 citations61
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS7362877B2Apr 22, 2008
Electric acoustic converter and electronic device using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92
USD533163SDec 5, 2006
Speaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations91
USD577712SSep 30, 2008
Speaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US5889732AMar 30, 1999
Sounder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations72