Inventor

SUMIYAMA SHINICHI

JP9 patents

⚠️ This page may combine multiple inventors who share the name “SUMIYAMA SHINICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PANASONIC CORP

4 patents

US9627657B2Apr 18, 2017

Cylindrical alkaline storage battery

PANASONIC CORP2 citations71

US7820326B2Oct 26, 2010

Alkaline battery

PANASONIC CORP0 citations49

US9893347B2Feb 13, 2018

Alloy powder for electrode, negative electrode for alkaline storage battery using the same, and alkaline storage battery

PANASONIC CORP0 citations39

US9755226B2Sep 5, 2017

Nickel-hydrogen storage battery and battery pack

PANASONIC CORP0 citations38

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

2 patents

US6566009B1May 20, 2003

Alkaline battery

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD60 citations94

US7244529B2Jul 17, 2007

Alkaline dry battery

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations61

IZUMI HIDEKATSU

1 patent

US8080336B2Dec 20, 2011

Alkaline dry battery

IZUMI HIDEKATSU2 citations54

SUMIYAMA SHINICHI

1 patent

US8080339B2Dec 20, 2011

Gelled negative electrode for alkaline battery and alkaline battery

SUMIYAMA SHINICHI0 citations42

PANASONIC IP MAN CO LTD

1 patent

US9997776B2Jun 12, 2018

Alloy powder for electrodes, negative electrode for nickel-metal hydride storage batteries including the same, and nickel-metal hydride storage battery including the same

PANASONIC IP MAN CO LTD0 citations39