Patents by Inventor Susumu Yamamoto

Susumu Yamamoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5480601
    Abstract: Method for producing an elongated sintered article, characterized by the steps including filling powder material in a pipe, carrying out plastic deformation of the pipe filled with the powder material, and heating the pipe filled with the powder material to burn and/or sinter the powder material.The method of the present invention is advantageously applicable to production of wire or rod of ceramics, particularly so called new ceramics or fine ceramics, sintered alloys or their combination, which are difficult of shaping or moulding by conventional process such as wire-drawing, rolling or extrusion of powder material and are difficult of machining or processing after the powder material is sintered.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: January 2, 1996
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Susumu Yamamoto, Teruyuki Murai, Nozomu Kawabe, Masaaki Tobioka
  • Patent number: 5441010
    Abstract: An evaporation material is used in manufacturing a VTR tape, a vertical magnetic recording thin film or the like. The evaporation material is a wire comprising a cobalt metal, a cobalt nickel alloy containing not more than 30 weight % of nickel, or a cobalt-chromium alloy containing not more than 30 weight % of chromium. This wire has a diameter of at least 1.0, mm and not more than 10 mm, a tensile strength of at least 400 MPa and not more than 1500 MPa, and a elongation and a reduction of area of at least 5%. The evaporation material has a prescribed crystal structure, with a face centered cubic lattice ratio of at least 0.1 and not more than 1.
    Type: Grant
    Filed: January 4, 1994
    Date of Patent: August 15, 1995
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Yukihiro Oishi, Susumu Yamamoto, Teruyuki Murai, Nozomu Kawabe
  • Patent number: 5436362
    Abstract: In a method of producing dialkylcarbonate, alcoholic compound and cyclo-carbonate are subjected to a catalytic reaction each other at a reaction temperature of 20.degree. to 200.degree. C. and under a pressure of 0 to 40 kg/cm.sup.2 G, which keeps the reaction system liquid, in the presence of ion exchanged zeolite which is ion-exchanged with alkali metal ion and/or alkaline earth metal ion.
    Type: Grant
    Filed: December 16, 1993
    Date of Patent: July 25, 1995
    Assignee: Chiyoda Corporation
    Inventors: Tadami Kondoh, Yoshimi Okada, Fumiaki Tanaka, Sachio Asaoka, Susumu Yamamoto
  • Patent number: 5424282
    Abstract: A process for producing a composite oxide superconducting wire is disclosed, which comprises the steps of compacting material powder for an oxide superconductor in a noble metal pipe; heating the metal pipe filled with the material powder at a temperature ranging between an upper limit corresponding to the lowest melting point of any one of constituent components in the material powder and a lower limit which is lower by 100.degree. C. than said upper limit to sinter the material powder and cooling the product at a cooling velocity of less than 50.degree. C./min, and further including a series of wire-drawing, annealing and sintering steps. Furthermore, an intermediate layer of noble metal can be interposed between the oxide superconductor and the metal pipe.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: June 13, 1995
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Susumu Yamamoto, Teruyuki Murai, Nozomu Kawabe, Tomoyuki Awazu, Shuji Yazu, Tetsuji Jodai
  • Patent number: 5409890
    Abstract: Improvement in a process for producing a sintered elongated article by the steps comprising filling a metal pipe with a material powder, carrying out plastic deformation of the metal pipe and then subjecting the material powder in deformed metal pipe to sintering. In the invention, the step of the plastic deformation includes at least one deformation satge carried out under a hot condition.
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: April 25, 1995
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Susumu Yamamoto, Nozomu Kawabe, Tomoyuki Awazu, Teruyuki Murai
  • Patent number: 5391760
    Abstract: Disclosed herein is a process for producing N-alkylpyrazoles represented by the formula (1), which comprises reacting an alkali metal or an alkali metal-containing base with N- unsubstituted pyrazoles represented by the formula (2), to form an alkali metal salt thereof and, subsequently, reacting the obtained alkali metal salt with an alkylating agent.
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: February 21, 1995
    Assignee: Nissan Chemical Industries Ltd.
    Inventors: Hiroshi Murakami, Susumu Yamamoto, Yoshihiro Iwasawa, Fumio Suzuki, Isao Hashiba
  • Patent number: 5371302
    Abstract: The invention relates to a process for preparing prilled bisphenol A by granulation which comprises adding compounds soluble in molten bisphenol A, not affecting adversely the melt color of bisphenol A to any significant extent, and have a melting point of 60.degree. C. or more to bisphenol A and granulating and also to a process which comprises adding the reaction mother liquor or cyrstallization mother liquor produced in the manufacturing step of bisphenol A to bisphenol A or the adduct of bispheol A and phenol or a mixture of bispheol A and phenol, removing the phenol, and granulating. The processes yield prilled bispheol A which have high strength and resist powdering.
    Type: Grant
    Filed: April 13, 1993
    Date of Patent: December 6, 1994
    Assignees: Nippon Steel Chemical Co., Ltd., Chiyoda Corp.
    Inventors: Hiroshi Yanai, Tadayoshi Matsuo, Masanori Nagase, Tsohikazu Maruyama, Toshihiko Furukawa, Katsuhiko Sakura, Yoshiaki Matsui, Takamasa Minami, Nobuo Moriya, Sachio Asaoka, Kouji Sakashita, Nobuyuki Suda, Keiji Shimoda, Susumu Yamamoto, Makoto Nomura
  • Patent number: 5344713
    Abstract: A method for manufacturing a steel wire material for reinforcing an optical fiber is proposed. In this method, a steel wire is firstly subjected to a chemical conversion treatment. The wire is then drawn with a reduction of area of 30% or more. As a result, a coating capable of effectively restraining the production of hydrogen is formed on the surface of the wire.
    Type: Grant
    Filed: July 31, 1992
    Date of Patent: September 6, 1994
    Assignee: Sumitomo Electric Industries Ltd.
    Inventors: Teruyuki Murai, Susumu Yamamoto
  • Patent number: 5341223
    Abstract: An indication input system for use in with facsimile machines and similar devices. The input system having a coordinate input device which displays an organizational chart expressing the relationship of a plurality of functions, and registers the coordinates of a point when indicated on the organizational chart, a memory for storing a data table including the plurality of functions, a plurality of key domains which define the coordinate boundary of each function, and related data which defines the relationship between the plurality of functions as expressed on said organizational chart, and a controller which determines which functions have been selected when a point is indicated on the coordinate input means, and sequentially effects the execution of the selected functions and the functions related to the selected functions.
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: August 23, 1994
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Nobuyuki Shigeeda, Susumu Yamamoto, Masahiko Katsurabayashi, Tadahiko Ikegaya
  • Patent number: 5338721
    Abstract: A superconducting composite comprising a compound oxide type superconductor and an outer metal pipe on which said superconductor is supported, characterized in that (i) said outer metal pipe is made of at least one of metals selected from a group comprising gold, silver and platinum metals and their alloys or (ii) an intermediate layer made of these precious metals is interposed between the compound oxide and the metal pipe.The composite may be in a form of a solid pipe or a hollow pipe having a superconducting thin layer deposited on an inner surface of the metal pipe.
    Type: Grant
    Filed: May 18, 1992
    Date of Patent: August 16, 1994
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Susumu Yamamoto, Teruyuki Murai, Nozomu Kawabe, Tomoyuki Awazu, Shuji Yazu, Tetsuji Jodai
  • Patent number: 5337156
    Abstract: A facsimile in which various kinds of management reports on its operation conditions are output. In the facsimile, when outputting a management report about the facsimile itself, the contents of the management report are once converted into code data and the code data are then stored in a code storage unit. After that, the stored code data are output from an image recording unit in the same manner as the code data of an image received from outside in the code storage unit is output.
    Type: Grant
    Filed: June 19, 1992
    Date of Patent: August 9, 1994
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Toshifumi Nakamura, Gen Okabe, Susumu Yamamoto
  • Patent number: 5313572
    Abstract: A filing system scans original documents and converts the information on the documents into picture information which is then condensed and stored in a file storage block. If an index for the files is specified, an index of the picture information is stored in a file image memory having a plurality of fixed memory areas. Coordinates of an area of the original document enclosing the picture information on the original document can be specified, and tables in memory indicate the correspondence between specified areas, the corresponding fixed memory areas in the file image memory, and the addresses of the corresponding stored files. To retrieve the files, an operator can either press certain areas on a document with a stylus pen, provide an identifier of the files, or place marks on an index document prepared by the filing system.
    Type: Grant
    Filed: October 12, 1990
    Date of Patent: May 17, 1994
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Susumu Yamamoto, Masahiko Katsurabayashi, Nobuyuki Shigeeda, Tadahiko Ikegaya, Katsuhiko Orita
  • Patent number: 5304602
    Abstract: A process for producing a sintered ceramic wire, particularly a superconducting wire, by the steps of filling a metal pipe with a material powder of ceramic, wire drawing the metal pipe filled with the material powder by means of roller dies and then subjecting a composite of the metal pipe and the material powder to a heating operation to sinter the ceramic powder.
    Type: Grant
    Filed: April 18, 1988
    Date of Patent: April 19, 1994
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Susumu Yamamoto, Teruyuki Murai, Nozomu Kawabe, Shuji Yazu, Tetsuji Jodai
  • Patent number: 5300699
    Abstract: This invention relates to a process for preparing bisphenol A of good heat stability by heat-treating bisphenol A containing a very small amount of impurities in a molten state at 185.degree. to 220.degree. C. for 5 to 60 minutes in an oxygen-free atmosphere and the process yields bisphenol A of good heat stability which shows reduced coloration when heated. Bisphenol A prepared by this process has excellent properties relating to color and is particularly suitable as raw material for the manufacture of polycarbonates where the requirement for color is strict.
    Type: Grant
    Filed: April 13, 1993
    Date of Patent: April 5, 1994
    Assignees: Nippon Steel Chemical Co., Ltd., Chiyoda Corp.
    Inventors: Toshihiko Furukawa, Katsuhiko Sakura, Kiyoshi Hashimoto, Nobuaki Egashira, Nobuo Moriya, Sachio Asaoka, Nobuyuki Suda, Susumu Yamamoto
  • Patent number: 5263129
    Abstract: An apparatus for producing and utilizing sheets of manuals containing data corresponding to operating procedures for electronic devices. Data related to an electronic device is input into the production portion and stored in the apparatus. Relevant area data and character code strings are converted to frame and image data, which is combined and printed onto a manual sheet. The printed data, which corresponds to the desired operating procedure, can then be read into the utilization portion of the device. The data is matched with corresponding function data, which is read out to operate the electronic device in accordance with the operating procedures.
    Type: Grant
    Filed: September 24, 1990
    Date of Patent: November 16, 1993
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Tadahiko Ikegaya, Susumu Yamamoto, Nobuyuki Shigeeda, Masahiko Katsurabayashi
  • Patent number: 5252288
    Abstract: Method for producing an elongated sintered article, characterized by the steps including filling powder material in a pipe, carrying out plastic deformation of the pipe filled with the powder material, and heating the pipe filled with the powder material to burn and/or sinter the powder material.The method of the present invention is advantageously applicable to production of wire or rod of ceramics, particularly so called new ceramics or fine ceramics, sintered alloys or their combination, which are difficult to shape or mold by conventional process such as wire-drawing, rolling or extrusion of powder material which is difficult to mold and machine after the powder material is sintered.
    Type: Grant
    Filed: May 15, 1992
    Date of Patent: October 12, 1993
    Assignee: Sumitomo Electric Industries, Inc.
    Inventors: Susumu Yamamoto, Teruyuki Murai, Nozomu Kawabe, Masaaki Tobioka
  • Patent number: 5244874
    Abstract: Improvement in a method for producing a superconducting wire of compound oxide such as YBa.sub.2 Cu.sub.3 O.sub.7-.delta. by the steps comprising filling a metal pipe with a material powder, carrying out plastic deformation of the metal pipe and then subjecting the material powder in deformed metal pipe to sintering operation. The present invention is characterized in that the heat-treatment is carried out in the coexist of silver oxide: Ag.sub.2 O placed inside the metal pipe.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: September 14, 1993
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Susumu Yamamoto, Nozomu Kawabe, Tomoyuki Awazu
  • Patent number: 5232906
    Abstract: The present invention relates to a sintered oxide superconducting wire and a method of fabricating the same. The sintered superconducting wire is made by packing powders of metal oxides, or a mixture of metal oxides and metal carbonates, each having an oxidation potential (.DELTA.G.degree.) higher than or equal to that of copper in a metallic cylinder, drawing said packed cylinder and sintering said drawn cylinder in air to form said wire.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: August 3, 1993
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Susumu Yamamoto, Nozomu Kawabe, Teruyuki Murai
  • Patent number: 5220438
    Abstract: A facsimile apparatus having a memory for storing received data therein and a recorder for printing out image signals, comprises a retaining unit for causing the memory to retain the received data after the image signal has been printed out, an operation unit for instructing to erase the stored data in the memory, and a deletion order storage unit for storing an order of deletion of the stored data, whereby the received data stored in the memory is retained until the operation unit instructs to erase the received data.
    Type: Grant
    Filed: September 25, 1991
    Date of Patent: June 15, 1993
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Susumu Yamamoto
  • Patent number: 5220028
    Abstract: There are disclosed halogeno-4-methylpyrazoles represented by the formula (I): ##STR1## wherein R represents an alkyl group having 1 to 4 carbon atoms, a substituted or unsubstituted phenyl group or a substituted or unsubstituted pyridyl group; X represents a hydrogen atom or a halogen atom; and Y represents a halogen atom, and a process for preparing the same which comprises reacting 1-substituted-4-methylpyrazoles of the formula (II): ##STR2## wherein R has the same meaning as defined above, with a halogen.
    Type: Grant
    Filed: April 14, 1992
    Date of Patent: June 15, 1993
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Yoshihiro Iwasawa, Susumu Yamamoto, Kenji Suzuki, Hiroshi Murakami, Fumio Suzuki