Inventor
HATA AKIO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “HATA AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKISUI CHEMICAL CO LTD
6 patentsUS5139892AAug 18, 1992
Magnetic recording media with resin containing vinyl chloride copolymer
SEIKISUI CHEMICAL CO LTD12 citations81
US4861683AAug 29, 1989
Quaternary-containing resin used for magnetic recording media
SEIKISUI CHEMICAL CO LTD20 citations81
US5028676AJul 2, 1991
Resin for magnetic recording media from vinyl chloride with quanternary and phosphoric monomers
SEIKISUI CHEMICAL CO LTD10 citations72
US5008357AApr 16, 1991
Resin for magnetic recording media from vinyl chloride polymer with quaternary groups
SEIKISUI CHEMICAL CO LTD10 citations72
US5037893AAug 6, 1991
Resin used for magnetic recording media derived from vinyl chloride and quaternary monomer
SEIKISUI CHEMICAL CO LTD1 citations61
US4996272AFeb 26, 1991
Resin used for magnetic recording media and a method for the production of the same
SEIKISUI CHEMICAL CO LTD0 citations51
TOKUYAMA SEKISUI IND CORP
4 patentsUS4465615AAug 14, 1984
Electroconductive resin composition and a videodisc record
TOKUYAMA SEKISUI IND CORP9 citations69
US4396660AAug 2, 1983
Electroconductive resin composition and a videodisc record
TOKUYAMA SEKISUI IND CORP7 citations69
US4404337ASep 13, 1983
Process for inhibiting the formation of scale in the suspension polymerization of vinyl chloride
TOKUYAMA SEKISUI IND CORP4 citations61
US4517350AMay 14, 1985
Process for removing polymer scale adhering to a polymerization vessel
TOKUYAMA SEKISUI IND CORP1 citations50
VICTOR COMPANY OF JAPAN
4 patentsUS4592862AJun 3, 1986
Conductive resin composition and information record
VICTOR COMPANY OF JAPAN6 citations60
US4548739AOct 22, 1985
High density information records made of conductive resin compositions comprising a specifically-treated vinyl chloride-base resin
VICTOR COMPANY OF JAPAN2 citations60
US4906499AMar 6, 1990
High density information record medium comprising a polymer material having a lubricant uniformly dispersed therein
VICTOR COMPANY OF JAPAN0 citations50
US4631717ADec 23, 1986
High density information records of an electrostatic capacitance type
VICTOR COMPANY OF JAPAN1 citations50