1
Ryoichi Sado, Takekuni Okamoto, Shigeru Matumoto: Key-board switch unit. Shin Etsu Polymer, Hopgood Calimafde Kalil Blaustein & Judlowe, November 24, 1981: US04302648 (134 worldwide citation)

The invention provides a key-board switch unit used, for example, in pocketable electronic calculators comprising a base plate having at least one pair of switch electrodes and a covering pad made of an insulating rubber and provided with at least one contact member made of an electroconductive rubb ...


2
Ryoichi Sado: Interconnectors. Shin Etsu Polymer, Toren McGeady & Stanger, October 20, 1981: US04295700 (103 worldwide citation)

A novel press-contact type interconnector is proposed which is formed by comprising (a) a rectangular connecting piece made of a film or sheet of an elastic material having anisotropical electroconductivity in the direction substantially parallel to one edge line thereof and (b) a couple of holder m ...


3
Satoshi Odashima: Anisotropically electroconductive adhesive composition. Shin Etsu Polymer, McAulay Fisher Nissen Goldberg & Kiel, August 9, 1994: US05336443 (79 worldwide citation)

An improvement is proposed in an anisotropically electroconductive adhesive composition comprising an insulating adhesive resin as a matrix and electroconductive carbon particles dispersed in the matrix used for electrically connecting oppositely facing electrode terminals on various kinds of electr ...


4
Ryoichi Sado: Key board switch unit with illumination. Shin Etsu Polymer, Hopgood Calimafde Kalil Blaustein & Judlowe, August 10, 1982: US04343975 (69 worldwide citation)

The invention provides a novel key board switch unit with illumination in the pushing areas, e.g. push buttons. Different from conventional ones, the pushing areas in the inventive unit are illuminated indirectly with the light emitted from a lamp positioned at a remote place not directly visible fr ...


5
Ryoichi Sado: Interconnectors. Shin Etsu Polymer, Toren McGeady and Stanger, September 6, 1983: US04402562 (61 worldwide citation)

A novel press-contact type interconnector is proposed which is formed by comprising (a) a rectangular connecting piece of a woven cloth, the woof fibers being conductive and the warp fibers being non-conductive, having antisotropical electroconductivity in the direction substantially parallel to one ...


6
Nogami Takashi, Mitsuhashi Masayuki: Electroconductive rubbery member and elastic connector therewith. Shin Etsu Polymer, Hopgood Calimafde Kalil Blaustein & Judlowe, May 22, 1984: US04449774 (57 worldwide citation)

The invention provides a novel electroconductive rubbery member which is a shaped body of a conductive rubbery elastomer impregnated with a powdery conductive particulate material such as carbon black or a metal powder dispersed in an insulating rubber, in which a multiplicity of conductive fibrous ...


7
Ryoichi Sado, Kazutoki Tahara: Method for manufacturing an elastic composite body with metal wires embedded therein. Shin Etsu Polymer, Hopgood Calimafde Kalil Blaustein & Judlowe, June 4, 1985: US04520562 (55 worldwide citation)

The invention provides a novel and improved method for manufacturing an elongated piece of a composite body composed of a rubber or plastic body of an elongated form and a plurality of electroconductive linear bodies embedded in or bonded on the surface of the elongated rubber or plastic body in ali ...


8
Toshiyuki Kawaguchi, Hideki Suzuki: Anisotropically electroconductive film adhesive. Shin Etsu Polymer, Hopgood Calimafde Kalil Blaustein & Judlowe, February 4, 1986: US04568592 (55 worldwide citation)

A film adhesive of a thermoplastic or thermosetting polymeric insulative material can be imparted with anisotropic electroconductivity by dispersing electroconductive fibrils of specified dimensions therein in orientation each lying within a plane substantially parallel to the surface of the film ad ...


9
Nogami Takashi, Masuda Haruhiko: Electric connector of press-contact holding type. Shin Etsu Polymer, Hopgood Calimafde Kalik Blaustein & Judlowe, October 11, 1983: US04408814 (50 worldwide citation)

The electric connector of the invention is of the so-called stratification type formed of an alternate stratification of layers of electrically conductive and insulating rubbers surrounded by zebra-like striped lateral surfaces and having a rectangular cross section in the same manner as in the conv ...


10
Ryoichi Sado: Anisotropically pressure-sensitive electroconductive composite sheets and method for the preparation thereof. Shin Etsu Polymer, McGlew and Tuttle, April 22, 1980: US04199637 (48 worldwide citation)

Anisotropically pressure-sensitive electroconductive composite sheets are provided which have a very low electric conductive resistance in the direction perpendicular to the plane of the sheet when compressed with an adequate pressure in the direction but a high insulating resistance in all directio ...