Inventor
OHMURA HITOSHI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “OHMURA HITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO KOHAN CO LTD
19 patentsUS5993994ANov 30, 1999
Surface treated steel sheet for battery containers, a battery container, and a battery produced thereof
TOYO KOHAN CO LTD27 citations91
US5587248ADec 24, 1996
Corrosion resistant nickel plating steel sheet or strip and manufacturing method thereof
TOYO KOHAN CO LTD24 citations89
US5968682AOct 19, 1999
Coated metal sheet for battery containers, battery containers and batteries produced thereof
TOYO KOHAN CO LTD20 citations88
US6528181B1Mar 4, 2003
Surface-treated steel sheet having lowered contact resistance and connecting terminal members made by using the same
TOYO KOHAN CO LTD13 citations84
US6692869B1Feb 17, 2004
Surface-treated steel sheet for battery case, method of production thereof, battery case formed by the steel sheet and battery using the case
TOYO KOHAN CO LTD17 citations83
US6087040AJul 11, 2000
Battery case having surface-treated steel sheet
TOYO KOHAN CO LTD13 citations82
US6979515B2Dec 27, 2005
Surface-treated steel plate for battery case and battery case
TOYO KOHAN CO LTD7 citations73
US6270922B1Aug 7, 2001
Surface-treated steel plate for battery case, battery case and battery using the case
TOYO KOHAN CO LTD12 citations73
US6261718B1Jul 17, 2001
Surface-treated steel sheet for battery container
TOYO KOHAN CO LTD4 citations73
US6248456B1Jun 19, 2001
Surface-treated steel plate having low contact resistance and connection terminal member made of the steel plate
TOYO KOHAN CO LTD14 citations73
US6136107AOct 24, 2000
Surface treated steel sheet for battery containers, a battery container, and a battery produced thereof
TOYO KOHAN CO LTD6 citations72
US5679181AOct 21, 1997
Method for manufacturing a corrosion resistant nickel plating steel sheet or strip
TOYO KOHAN CO LTD15 citations70
US5792553AAug 11, 1998
Coated metal sheet for battery containers, battery containers and batteries produced thereof
TOYO KOHAN CO LTD12 citations69
US7150939B2Dec 19, 2006
Surface-treated steel sheet for battery container, a battery container, and a battery using same
TOYO KOHAN CO LTD5 citations62
US6485863B2Nov 26, 2002
Battery container with surface treated steel sheet
TOYO KOHAN CO LTD3 citations62
US6551721B1Apr 22, 2003
Surface-treated steel sheet for battery case, battery case comprising the same, methods for producing them, and battery
TOYO KOHAN CO LTD2 citations60
US8043741B2Oct 25, 2011
Surface-treated steel plate for battery case and battery case
TOYO KOHAN CO LTD0 citations52
US7923145B2Apr 12, 2011
Surface treated steel sheet for battery case, battery case and battery using the case
TOYO KOHAN CO LTD1 citations52
US6022631AFeb 8, 2000
Nickelled steel sheet proofed against tight adhesion during annealing and process for production thereof
TOYO KOHAN CO LTD1 citations52