Inventor
KAI YOSHIAKI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “KAI YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
18 patentsUS5182132AJan 26, 1993
Magnetic recording medium and method for making it
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD53 citations96
US6829135B2Dec 7, 2004
Layered product, capacitor, electronic component and method and apparatus manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US5188747AFeb 23, 1993
Fluorine-containing lubricant compounds
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92
US5082709AJan 21, 1992
Thin film-type magnetic disk
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD34 citations92
US5137784AAug 11, 1992
Magnetic record medium with a magnetic layer coated with successive layers of carbon, organic amine, and fluoro lubricant
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations91
US5443888AAug 22, 1995
Magnetic recording medium having a carbon protective layer and partially fluorinated alkyl carboxylic acid lubricant layer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations82
US5669964ASep 23, 1997
Fluoralkycarboxylic acid and derivative thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US5266724ANov 30, 1993
Fluorine-containing compounds
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations74
US5057623AOct 15, 1991
Organic fluorine compound
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US5604032AFeb 18, 1997
Fluorine-containing carboxylic acid amine salt and a magnetic recording medium with the same thereon
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations73
US5510513AApr 23, 1996
Fluorine containing diester of alkyl-or alkenylsuccinic acid, preparation thereof and magnetic recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations72
US5252400AOct 12, 1993
Fluorine-containing compounds
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations72
US5578387ANov 26, 1996
Fluorine-containing alkylsuccinic acid diester, process for preparing the same and use thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations71
US5391814AFeb 21, 1995
Fluorine-containing alkylsuccinic acid diester, process for preparing the same and use thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations71
US4647507AMar 3, 1987
Magnetic recording material
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations68
US5820665AOct 13, 1998
Fluoroalkylcarboxylic acid and derivative thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7006344B2Feb 28, 2006
Capacitor comprising bis(4-mercaptophenyl) sulfide derivative
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations61
US4189639AFeb 19, 1980
Process for analyzing charged particles
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations61
TOSHIBA MACHINE CO LTD
5 patentsUS7029214B2Apr 18, 2006
Linear guide apparatus
TOSHIBA MACHINE CO LTD24 citations92
US6264409B1Jul 24, 2001
Tool holder clamp device for spindle and spindle apparatus
TOSHIBA MACHINE CO LTD26 citations92
US6682277B2Jan 27, 2004
Tool, tool holder, and machine tool
TOSHIBA MACHINE CO LTD20 citations88
US6840896B2Jan 11, 2005
Attachment of machine tool and machine tool
TOSHIBA MACHINE CO LTD13 citations83
US7131797B2Nov 7, 2006
Tool holder
TOSHIBA MACHINE CO LTD15 citations81