Inventor
YOKOYAMA SHOICHI
JP29 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA SHOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
8 patentsUS6390183B2May 21, 2002
Heat exchanger
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations92
US6142220ANov 7, 2000
Finned heat exchanger
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US6000466ADec 14, 1999
Heat exchanger tube for an air-conditioning apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD48 citations92
US6227289B1May 8, 2001
Finned heat exchanger
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations91
US5207270AMay 4, 1993
Fin-tube heat exchanger
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations91
US5203403AApr 20, 1993
Fin-tube heat exchanger
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations90
US5117902AJun 2, 1992
Fin tube heat exchanger
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations90
US4907646AMar 13, 1990
Heat exchanger
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations70
NOF CORP
3 patentsUS6998465B2Feb 14, 2006
Process for producing boric ester compound, electrolyte for electrochemical device, and secondary battery
NOF CORP12 citations82
US7230057B2Jun 12, 2007
Boron-containing compound, ion-conductive polymer and polyelectrolyte for electrochemical devices
NOF CORP8 citations72
US6833220B1Dec 21, 2004
Electrolyte for secondary battery and secondary battery
NOF CORP12 citations69