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Katsumi Suzuki, Youichi Enomoto, Shoji Tanaka: High frequency band high temperature superconductor mixer antenna which allows a superconductor feed line to be used in a low frequency region. NEC Corporation, International Superconductivity Technology Center, Sughrue Mion Zinn Macpeak & Seas PLLC, September 22, 1998: US05812943 (74 worldwide citation)

The invention provides a wide frequency band high temperature superconductor mixer antenna which allows a superconductor feed line, which exhibits a high resistance loss in a high frequency region, to be used in a low frequency region with a low loss and which is provided with a same structure as a ...


2
Takashi Hase, Ryusuke Kita, Masato Sasaki, Tadataka Morishita: Method of manufacturing an oxide superconductor film. International Superconductivity Technology Center, Kabushiki Kaisha Kobe Seiko Sho, Sharp Kabushiki Kaisha, Oblon Spivak McClelland Maier & Neustadt, September 27, 1994: US05350738 (38 worldwide citation)

The present invention provides a method of manufacturing a high quality oxide superconductor film capable of controlling the film-forming rate and the film composition easily and forming the superconductor film safely and economically, over a wide region and homogeneously, wherein each of elements o ...


3
Hideo Suzuki, Shuichi Nagasawa, Kazunori Miyahara, Youichi Enomoto: Rapid single-flux-quantum logic circuit and rapid single-flux-quantum output conversion circuit. Fujitsu, NEC Corporation, International Superconductivity Technology Center The Juridicial Foundation, Staas & Halsey, April 20, 2004: US06724216 (25 worldwide citation)

A rapid single-flux-quantum RSFQ logic circuit includes a first circuit portion having a first end grounded and having in-series connected first and second Josephson junctions. A second circuit portion has a first end grounded and has in-series connected third and fourth Josephson junctions. A first ...


4
Kazutoshi Higashiyama, Takahisa Ushida, Izumi Hirabayashi, Shoji Tanaka: Apparatus for producing superconducting oxide film. Hitachi, NGK Spark Plug, International Superconductivity Technology Center, Antonelli Terry Stout & Kraus, March 2, 1993: US05190913 (21 worldwide citation)

An apparatus for producing a superconducting oxide film with stable properties by metal organic chemical vapor deposition, suitable for mass production, is provided with a gas analyzer comprising a differential pressure meter 38 between a raw material gas collector tube 35 provided in a transfer lin ...


5
Futoshi Furuta, Kazuo Saitoh: Superconductor semiconductor integrated circuit. Hitachi, International Superconductivity Technology Center the Jurdical Foundation, Reed Smith, Stanley P Fisher Esq, Juan Carlos A Marquez Esq, October 31, 2006: US07129869 (16 worldwide citation)

In an A/D converter having a single flux quantum circuit having a flux quantum as an information carrier, a superconducting amplifier circuit driven by an AC current, and a semiconductor circuit, the operations of the circuits are synchronized with each other and a data signal from the single flux q ...


6
Shuichi Nagasawa, Kazunori Miyahara, Youichi Enomoto: Superconducting circuit having superconductive circuit device of voltage-type logic and superconductive circuit device of fluxoid-type logic device selectively used therein. NEC Corporation, International Superconductivity Technology Center, Scully Scott Murphy & Presser, June 5, 2001: US06242939 (15 worldwide citation)

A superconducting circuit device of a voltage-type logic device is large in current driving capability and, accordingly, electric power consumption; however, the switching speed is not so fast, and a superconducting circuit device of a fluxoid-type logic device is small in current driving capability ...


7
Takahisa Ushida, Kazutoshi Higashiyama, Izumi Hirabayashi, Shoji Tanaka: Laser-assisted CVD process forming oxide superconducting films. NGK Spark Plug, International Superconductivity Technology Center, Hitachi, Sughrue Mion Zinn Macpeak & Seas, January 4, 1994: US05276012 (15 worldwide citation)

A method is disclosed of forming an oxide superconducting film comprising the steps of (1) mixing (a) the vapors of organic metal materials in such proportions as to provide a predetermined metal composition, or (b) said organic metal materials in such proportions as to provide a predetermined metal ...


8
Yasuhiro Iijima, Mariko Kimura, Takashi Saitoh: Polycrystalline thin film and method for preparing thereof, and superconducting oxide and method for preparation thereof. Fujikura, International Superconductivity Technology Center, Bell Boyd & Lloyd, October 14, 2003: US06632539 (14 worldwide citation)

The polycrystalline thin film is made of a composite oxide of a cubic crystal system which has a pyrochlore type crystalline structure of a composition represented as either AZrO or AHfO (A in the formula represents a rare earth element selected from among Y, Yb, Tm, Er, Ho, Dy, Eu, Gd, Sm, Nd, Pr, ...


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Gustavo Alvarez, Furen Wang, Jian Guo Wen, Naoki Koshizuka, Youichi Enomoto, Tadashi Utagawa, Shoji Tanaka: Oxide superconductor multilayered film and oxide superconductor josephson device. International Superconductivity Technology Center, Armstrong Westerman Hattori McLeland & Naughton, January 4, 2000: US06011981 (14 worldwide citation)

An oxide superconducting multilayered thin film structure having a laminated layer structure of oxide superconductor thin film layers and non-superconductor thin film layers constituted by a combination of material groups for making strain free interfaces among both thin film layers. For example, an ...