Patents by Inventor Akira Fujita

Akira Fujita 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: 6172730
    Abstract: In a liquid crystal display apparatus, a glass substrate has connection terminals and a stepped section at an edge thereof. A liquid crystal display panel is mounted on the glass substrate and is electrically connected to the connection terminals. A flexible printed board has leads and an insulating layer partly covering the leads. The connection terminals are adhered by a conductive adhesive agent to the leads, so that the stepped section of the glass substrate receives an edge of the insulating layer.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: January 9, 2001
    Assignee: NEC Corporation
    Inventor: Akira Fujita
  • Patent number: 5789439
    Abstract: The present invention relates to novel pharmaceutical use of forskolin derivatives represented by the general formula: ##STR1## wherein R.sup.1, R.sup.2 and Ac are as defined later ##STR2## (wherein R.sup.3 and R.sup.4 are each hydrogen or lower alkyl group, or R.sup.3 and R.sup.4 may be combined to represent lower alkylene group which may have oxygen or nitrogen atom in the linking chain, and n is an integer of 1 to 5); R.sup.2 represents hydrocarbon group having 2 to 3 carbon atoms; and Ac represents acetyl group.The above-mentioned forskolin derivative or a physiologically acceptable salt thereof can be used as a platelet aggregation inhibiting or controlling agent, spasmolytic agent, therapeutic agent for skin ulcer, peripheral circulation improving agent for limbs and differentiation inducing and promoting agent.
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: August 4, 1998
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Makoto Hosono, Akira Fujita, Giichi Izumi, Tochiro Tatee, Takashi Takahira, Yasuhiko Furuta, Michiko Sakai, Osamu Ishizuka, Takashi Terada, Junpei Itoh
  • Patent number: 5767573
    Abstract: A semiconductor device is disclosed which employs transfer molding to simplify a resin sealing step, reduces fabrication costs without using expensive elements, and has an improved efficiency of dissipation of heat generated by a power device and an improved product rating. The power device (101) and a control device (102) are placed in predetermined positions on horizontally positioned lead frames (103a, 103b), respectively. An insulating layer (105) of epoxy resin or the like is formed on a major surface of a heat sink (104), and a circuit pattern layer (106) formed on a major surface of the insulating layer (105) is shaped to conform to a predetermined circuit pattern. The lead frames (103a, 103b) are disposed on the circuit pattern layer (106).
    Type: Grant
    Filed: April 17, 1996
    Date of Patent: June 16, 1998
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Sukehisa Noda, Akira Fujita, Naoki Yoshimatsu, Makoto Takehara
  • Patent number: 5463251
    Abstract: There is disclosed a semiconductor device wherein a mounting substrate (3) including an insulating layer and a pattern electrode selectively provided on the insulating layer is mounted on a heat sink (6) having a major surface. A plurality of copper supports (2) each having a surface forming an angle of substantially not more than 90.degree. with the major surface of the heat sink (6) are provided on the mounting substrate (3) such that the respective surfaces are not opposed to each other, and each of the supports (2) supports a semiconductor body (1). The semiconductor bodies (1) are connected to the pattern electrode with wires (9), and a portion enclosing at least the wires (9) is filled with a silicone gel (11). This permits the semiconductor device of large capacity to be reduced in size and to have an improved durability.
    Type: Grant
    Filed: April 19, 1993
    Date of Patent: October 31, 1995
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Akira Fujita, Naoki Yoshimatsu
  • Patent number: 5447578
    Abstract: This invention provides permanent magnets that are excellent not only in magnetic properties but also corrosion resistance by using two magnetically useful phases, i.e., RE.sub.2 TM.sub.14 B phase having a high residual magnetic flux density and a low melting point RE-TM' phase or RE-TM'-B phase which enhances the sinterability and possesses a cleaning action against grain boundaries of the RE.sub.2 TM.sub.14 B main phase. Further the invention provides a method for forming an electrochemically noble composition as a starting material to prepare a two phase magnet.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: September 5, 1995
    Assignee: Kawasaki Steel Corporation
    Inventors: Yukiko Ozaki, Michio Shimotomai, Yasutaka Fukuda, Akira Fujita, Yoko Kitano, Junichi Shimomura
  • Patent number: 5437741
    Abstract: A corrosion-resistant rare earth metal-transition metal-boron permanent magnet having improved corrosion resistance and excellent magnetic properties, including RE: 10-25 at % (where RE is at least one of Y, Sc and lanthanides), B: 2-20 at % and the remainder being substantially Fe, Co and Ni. In this case, the magnet has an average crystal grain size of 0.1-50 .mu.m and includes a crystal grain boundary phase of RE(Ni.sub.1-x-y Co.sub.x Fe.sub.y) compound having a thickness of not more than 10 .mu.m.
    Type: Grant
    Filed: May 5, 1994
    Date of Patent: August 1, 1995
    Assignee: Kawasaki Steel Corporation
    Inventors: Yukiko Ozaki, Michio Shimotomai, Yasutaka Fukuda, Akira Fujita, Yoko Kitano, Junichi Shimomura
  • Patent number: 5151562
    Abstract: A system for reducing horizontal deviations of elevators in which a cage ascends or descends in an ascending/decending path while engaged with guide rails through guide shoes is provided. The system includes a displacement device, disposed between the cage and the guide shoes, for displacing the cage relative to the guide rails in a horizontal direction. A position detecting device is provided for detecting a position of the cage in an ascending/descending direction, storage device for storing error data corresponding to guide rail installation errors with respect to positions of the cage in the ascending/descending direction and control device for controlling the displacement device to correct positional deviations of the cage in the horizontal direction resulting from the guide rail installation errors in accordance with the error data stored in the storage device, the error data corresponding to the position detected by the position detecting device.
    Type: Grant
    Filed: June 12, 1991
    Date of Patent: September 29, 1992
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Akira Fujita, Hisao Kato
  • Patent number: 5093607
    Abstract: An industrial robot system comprises a control unit including programs for operating an industrial robot and a peripheral device of the industrial robot according to the programs; a memory for storing the steps of the programs which are effected when the industrial robot and peripheral device are stopped unintentionally; a detector for detecting the conditions of the industrial robot and peripheral device when the industrial robot and peripheral device are stopped unintentionally; and a restarter for starting the industrial robot and peripheral device again when the contents of the memory coincide with the conditions detected by the detectors.
    Type: Grant
    Filed: August 29, 1990
    Date of Patent: March 3, 1992
    Assignee: Mitsubishi Denki K.K.
    Inventors: Akira Fujita, Hisao Kato
  • Patent number: 5015307
    Abstract: A corrosion-resistant rare earth metal-transition metal magnet alloy having excellent coercive force, squareness, corrosion resistance and temperature characteristics is disclosed, which alloy consists of at least one of rare earth element inclusive of Y; B; occasionally at least one of Mg, Al, Si, Ca, Ti, V, Cr, Mn, Cu, Zn, Ga, Ge, Zr, Nb, Mo, In, Sn, Ta and W; and the remainder being transition metals of Fe, Co and Ni.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: May 14, 1991
    Assignee: Kawasaki Steel Corporation
    Inventors: Michio Shimotomai, Yasutaka Fukuda, Akira Fujita
  • Patent number: 4915811
    Abstract: An electrophoresis apparatus comprises a gel sheet device composed of spacers disposed between two films at side edges thereof, a gel membrane provided within a space formed between the two films by the spacers, and sample-pouring portions provided near an upper edge of the gel membrane. Two supporting members hold the gel sheet device therebetween, and a gap-forming member contacts edges of at least one surface of the gel sheet device. Each sample-pouring portion is adapted to sample pouring into a space formed by the films, a shark's teeth comb, and the upper edge face of the gel membrane. The gap-forming member remote from an upper buffer solution vessel is provided such that an inner edge of a gap-forming member portion contacting the upper portion of the gel sheet device coincides with the upper edge face of the gel membrane, or the extent of overlapping of the gap-forming member portion upon the gel membrane is 5 mm or less.
    Type: Grant
    Filed: June 17, 1988
    Date of Patent: April 10, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masayoshi Yamamoto, Akira Fujita, Shoichi Yamamoto
  • Patent number: 4883577
    Abstract: An electrophoresis device comprises a gel membrane disposed within a space formed by a pair of sheets and a pair of spacers. A shark's teeth comb is disposed at an end of the gel membrane such that a plurality of triangular sample-pouring apertures are formed by its saw-like protrusions and the end of the gel membrane. The thickness of the shark's teeth comb d and the thickness of the gel membrane G satisfy the following relation:Gx1.1<d<G+50in which unit is .mu.m.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: November 28, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Naohiko Sugimoto, Akira Fujita
  • Patent number: 4649438
    Abstract: A phase locked signal generator comprises an asynchronous oscillator for producing a square wave signal, delay circuits supplied with the output square wave signal of the asynchronous oscillator, which delay circuits are provided in a plurality of stages and the output square wave signal of the asynchronous oscillator is supplied to a delay circuit provided in an initial stage, a latch circuit supplied with the output square wave signal of the asynchronous oscillator and outputs of the delay circuits, which latch circuit simultaneously latches the outputs of the delay circuits responsive to a reference signal applied to the latch circuit, and a gate circuit for producing an input or an output of one or a plurality of delay circuits each having an input and an output of mutually opposite polarities at a time when the reference signal is applied to the latch circuit, as an output square wave signal of the phase locked signal generator.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: March 10, 1987
    Assignee: Victor Company of Japan, Ltd.
    Inventors: Kyoichi Shimizu, Akira Fujita
  • Patent number: 4639782
    Abstract: A video signal processing apparatus processes a video signal which is obtained by carrying out a dot interlaced scanning in terms of four fields so that picture element data which correspond to one field and in which the picture element data of first and third dot interlaced fields (or second and fourth dot interlaced fields) alternately exist on each line are transmitted during a time period of one field. The video signal processing apparatus comprises a luminance difference detecting part and an interpolation part. The luminance difference detecting part performs a detecting operation to detect a luminance difference between two luminance data which are belonged respectively to two mutually adjacent picture elements in the same line and are among the picture element data which correspond to one field.
    Type: Grant
    Filed: February 13, 1985
    Date of Patent: January 27, 1987
    Assignee: Victor Company of Japan, Ltd.
    Inventors: Akira Fujita, Kyoichi Shimizu
  • Patent number: 4398245
    Abstract: A transfer instruction to be executed by a data processor includes a first operand representing a transfer-in address and a second operand representing a transfer-out address. Since the number of bytes transferred at a time is determined by a particular data processor used, a plurality of number of transfers are required to transfer the total data bytes, and first and second operand addresses must be calculated for each transfer. In a pipeline controlled data processor in the present invention, a circuit for calculating the first operand address is separately provided and this circuit is utilized in the first operand address calculation for second and subsequent data transfer operation so that the address calculation step is completed in one cycle of the pipeline control.
    Type: Grant
    Filed: July 25, 1980
    Date of Patent: August 9, 1983
    Assignee: Hitachi, Ltd.
    Inventor: Akira Fujita
  • Patent number: 4251859
    Abstract: A data processing system, for executing each instruction, by carrying out a plurality of successive partial processing operations, begins to process the first partial processing operation of an instruction succeeding a defeat overlap instruction before execution of the defeat overlap instruction is finished in response to the detection that a predetermined number of machine cycles is further required for the complete execution of the defeat overlap instruction.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: February 17, 1981
    Assignee: Hitachi, Ltd.
    Inventors: Tsugio Momose, Akira Fujita, Kanji Kubo
  • Patent number: 4222890
    Abstract: A gadolinium-activated phosphate phosphor expressed by the general chemical formula:(R.sub.1-x-y Gd.sub.x M.sub.y).sub.3 (PO.sub.4).sub.(2+x-y)zwhere R denotes calcium, zinc, strontium, barium, or magnesium; M represents thallium, silver, lithium, barium, sodium, potassium, rubidium or cesium; 0.005.ltoreq.x.ltoreq.0.35; 0.ltoreq.y.ltoreq.0.3; and 0.7.ltoreq.z.ltoreq.1.9.
    Type: Grant
    Filed: January 17, 1979
    Date of Patent: September 16, 1980
    Assignee: Tokyo Shibaura Electric Co., Ltd.
    Inventors: Takeshi Takahara, Toshio Nishimura, Akira Fujita