Inventor
IZUMI YOICHI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “IZUMI YOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
23 patentsUS7358008B2Apr 15, 2008
Electrochemical device including electrolyte
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations92
US6858347B2Feb 22, 2005
Paste type positive electrode for alkaline storage battery, and nickel-metal hydride storage battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US6261720B1Jul 17, 2001
Positive electrode active material for alkaline storage batteries
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US6153334ANov 28, 2000
Active materials for the positive electrode in alkaline storage battery and the manufacturing method of them
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations92
US6706442B1Mar 16, 2004
Alkaline storage battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US5879429AMar 9, 1999
Method for producing hydrogen storage alloy electrode
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations83
US7294433B2Nov 13, 2007
Closed alkaline storage battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations82
US6573006B2Jun 3, 2003
Non-sintered type positive electrode for alkaline storage battery and alkaline storage battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US5389468AFeb 14, 1995
Alkaline storage battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations74
US7438990B2Oct 21, 2008
Electrochemical device including electrolyte
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations73
US6284215B1Sep 4, 2001
Manufacturing method of active materials for the positive electrode in alkaline storage batteries
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations73
US6255019B1Jul 3, 2001
Cathode active material for alkaline storage battery and cathode using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73
US6129902AOct 10, 2000
Manufacturing method of active materials for the positive electrode in alkaline storage batteries
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations73
US6042753AMar 28, 2000
Active materials for the positive electrode in alkaline storage batteries
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations73
US5837317ANov 17, 1998
Method of producing hydrogen storage alloy for battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US5962156AOct 5, 1999
Nickel-metal hydride storage battery and alloy for configuring negative electrode of the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations69
US6156456ADec 5, 2000
Positive electrode active material for alkaline storage battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US7431819B2Oct 7, 2008
Method and apparatus for releasing metal-resin joint
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62
US7335445B2Feb 26, 2008
Positive electrode active material for alkaline storage battery, positive electrode and alkaline storage battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
US6783892B2Aug 31, 2004
Positive electrode active material for alkaline storage batteries, and positive electrode and alkaline storage battery using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US7153607B2Dec 26, 2006
Alkaline zinc secondary cell and method for preparation thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations61
US7022434B2Apr 4, 2006
Nickel-metal hydride storage battery and production method thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations61
US7326499B2Feb 5, 2008
Alkaline storage battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52