1
Armel Jack: Self-packaged hypodermic syringe. Iso Nuclear, Sandoe Hopgood & Calimafde, August 13, 1974: US3828775 (62 worldwide citation)

The invention contemplates a self-packaged hypodermic syringe wherein the body of the syringe is itself an important part of the package. Removable end seals complete the packaged article and respectively provide actuating access to the plunger at the rear end, and to the needle at the forward end. ...


2
Hasegawa Hiroyuki, Baba Keizo, Kamada Takemi: Separable optical fiber connector and the method of manufacturing the same. Nippon Electric Company, Sandoe Hopgood & Calimafde, January 21, 1975: US3861781 (60 worldwide citation)

A separable optical fiber connector and method for manufacturing the connector are disclosed. The end portion of a thermoplastic coated optical fiber is inserted into an axial through hole in a terminal member. The through hole includes a first portion of a relatively large diameter equal to the dia ...


3
Smith Frederick J: Self-biasing technique for mos substrate voltage. Standard Microsystems, Sandoe Hopgood & Calimafde, April 23, 1974: US3806741 (56 worldwide citation)

A circuit that senses and corrects the value of the threshold voltage of an MOS integrated circuit is disclosed in which an error signal corresponding to the deviation of the threshold voltage from a desired level is developed. That signal controls the magnitude of a bias voltage that is applied to ...


4
Dewey Rainville: Double injection mold with neck gating. Rainville Company, Sandoe Hopgood & Calimafde, March 30, 1976: US03947176 (55 worldwide citation)

A parison for blow molding is applied to a core rod by successive injection operations in different injection molds. The material for the first layer is injected into the end of the mold cavity remote from the neck portion of the core rod, in the usual manner. The second layer is injected into the s ...


5
Lozano Ernesto B: Method and means for protecting documents. Sandoe Hopgood & Calimafde, April 8, 1975: US3876496 (51 worldwide citation)

A safety paper composition is provided for protective documents in which a stabilized dye in the colloidal size range is dispersed. The dye which is substantially masked from view is sensitive to liquid ink eradicators such as bleach solutions and organic solvents in which the dye is soluble. A dye ...


6
Tsunemitsu Hideo, Shiba Hiroshi: Method for producing a thin film passive circuit element. Sandoe Hopgood & Calimafde, January 21, 1975: US3862017 (41 worldwide citation)

A thin film of a high resistivity metal such as Ta, Ti, Mo or Nb is formed on a substrate. The side faces of the thin resistive film are surrounded by, and at least a greater part of the top surface of the thin resistive film is covered with an insulating substance which is a compound, such as an ox ...


7
Takuo Kitamura: Micro-program control system. Nippon Electric Co, Sandoe Hopgood & Calimafde, September 5, 1972: US3689895 (38 worldwide citation)

A micro-program control system for computing apparatus provides a time shared concurrent utilization of a fixed, or semi-fixed memory containing a plurality of micro-programs. Micro-instructions of each micro-program are read out in repetitive, sequential manner from the memory and entered into cont ...


8
Nagao Hiroyuki: Light-sensible semiconductor device. Nippon Electric Company, Sandoe Hopgood & Calimafde, June 11, 1974: US3816847 (38 worldwide citation)

A light-sensible semiconductor device comprises a hermetic sealing case provided with a thin planar glass plate as the top surface member. A light-sensible semiconductor chip is fixed in position within the hermetic sealing case in proximity to the planar glass plate, and a light converging lens is ...


9
Sudvaniemi Osmo A: Multiple pipette. Sandoe Hopgood & Calimafde, December 24, 1974: US3855868 (36 worldwide citation)

A multiple pipette has inside its body a piston mover rod which is provided with a push button at its upper end and surrounded by a spiral spring. Once the rod has been pressed downwardly, the spring returns the rod to its original position so that liquid is sucked into containers connected with the ...


10
Koizumi Ken, Sumimoto Toru, Matsushita Shigeo, Furukawa Motaoaki: Ion exchange process for manufacturing integrated optical circuits. Nippon Selfoc Company, Sandoe Hopgood & Calimafde, December 31, 1974: US3857689 (32 worldwide citation)

An integrated circuit is constructed by first forming a mask that defines a desired optical circuit pattern on a transparent glass substrate. The mask may be made of Ti, Ta, Nb, Zr, Cr, Al or an oxide thereof. An ion exchange is then promoted by contacting the substrate with molten salt containing m ...



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