P

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 patents
US5182132AJan 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 patents

PANASONIC CORP

2 patents