Inventor
TANAKA MASANAO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA MASANAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JAPAN VILENE CO LTD
14 patentsUS7923143B2Apr 12, 2011
Battery separator and battery comprising same
JAPAN VILENE CO LTD47 citations93
US5290645AMar 1, 1994
Battery separator and a battery
JAPAN VILENE CO LTD31 citations91
US6607859B1Aug 19, 2003
Alkaline battery separator and process for producing the same
JAPAN VILENE CO LTD32 citations90
US7402539B2Jul 22, 2008
Battery separator
JAPAN VILENE CO LTD9 citations82
US6348286B1Feb 19, 2002
Alkaline battery separator and process for producing the same
JAPAN VILENE CO LTD15 citations82
US6037079AMar 14, 2000
Alkaline battery separator and process for producing the same
JAPAN VILENE CO LTD15 citations80
US6423445B1Jul 23, 2002
Alkaline battery separators
JAPAN VILENE CO LTD13 citations74
US6586137B1Jul 1, 2003
Battery separator
JAPAN VILENE CO LTD9 citations72
US6355375B2Mar 12, 2002
Alkaline battery separator and process for producing the same
JAPAN VILENE CO LTD10 citations71
US6030727AFeb 29, 2000
Alkaline battery separator and process for producing the same
JAPAN VILENE CO LTD7 citations71
US6183913B1Feb 6, 2001
Alkaline battery separator and process for producing the same
JAPAN VILENE CO LTD1 citations51
US12291806B2May 6, 2025
Non-woven fabric and separator for electrochemical elements
JAPAN VILENE CO LTD0 citations50
USRE41203EApr 6, 2010
Alkaline battery separator and process for producing the same
JAPAN VILENE CO LTD0 citations50
US11862810B2Jan 2, 2024
Separator for electrochemical element
JAPAN VILENE CO LTD0 citations44