Inventor
HIROTA KAZUMI
15 patents
Patents
15 patentsUS4225553ASep 30, 1980
Method of manufacturing low-rigid, wrinkle-free articles
TOYO SEIKAN KAISHA LTD62 citations96
US4762579AAug 9, 1988
Process for producing easily openable closure
TOYO SEIKAN KAISHA LTD36 citations92
US4734303AMar 29, 1988
Deep-draw-formed vessel and process for preparation thereof
TOYO SEIKAN KAISHA LTD42 citations92
US4686152AAug 11, 1987
Packaging material comprising iron foil, and container and container lid composed thereof
TOYO SEIKAN KAISHA LTD39 citations92
US4650088AMar 17, 1987
Hermetic sealed container with pull tab
TOYO SEIKAN KAISHA LTD28 citations92
US4501375AFeb 26, 1985
Easily-openable heat-seal lid
TOYO SEIKAN KAISHA LTD38 citations92
US4361020ANov 30, 1982
Drawing apparatus
TOYO SEIKAN KAISHA LTD33 citations92
US4403710ASep 13, 1983
Easily-openable heat seal lid
TOYO SEIKAN KAISHA LTD29 citations91
US4385035AMay 24, 1983
Apparatus for continuously sterilizing flat flexible packages
TOYO SEIKAN KAISHA LTD46 citations90
US4366662AJan 4, 1983
Process for preparation of cans and canned provisions
TOYO SEIKAN KAISHA LTD24 citations82
US4365499ADec 28, 1982
Method of manufacturing formed articles, equipment for practicing same, and formed articles manufactured by the method
TOYO SEIKAN KAISHA LTD26 citations82
US4428494AJan 31, 1984
Easily-openable heat seal lid
TOYO SEIKAN KAISHA LTD26 citations81
US5048317ASep 17, 1991
Method of manufacturing draw-formed container
TOYO SEIKAN KAISHA LTD14 citations73
US4365498ADec 28, 1982
Method of manufacturing formed articles, equipment for practicing same, and formed articles manufactured by the method
TOYO SEIKAN KAISHA LTD9 citations73
US4358919ANov 16, 1982
Method and apparatus of making a hermetically sealed container
TOYO SEIKAN KAISHA LTD16 citations72