Patents by Inventor Yoshiaki Yamada

Yoshiaki Yamada 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: 6995969
    Abstract: An electric double layered capacitor is provided, which can ensure a cooling capability by radiating heat to an outside air. The electric double layered capacitor comprises a capacitor cell 1 including a bag-shaped soft case in which a plurality of positive electrodes and negative electrodes, and a separator are received and laminated together with an electrolytic solution, a belt-shaped radiating fin 5a which extends from a rim of the soft case, a heat transfer frame 15 to sandwich the radiating fin 5a, and a metal hard case 21 for thermal radiation in which a plurality of the capacitor cells 1 are received/laminated through the heat transfer frames 15.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: February 7, 2006
    Assignee: Nissan Diesel Motor Co., Ltd.
    Inventors: Shuuichi Araki, Yoshiaki Yamada, Masakazu Sasaki
  • Patent number: 6991315
    Abstract: In an ink jet apparatus for manufacturing a color filter 1, ink jet heads 22 having a plurality of nozzle 27 are disposed in a linear manner. Filter element member is ejected to a motherboard 12 from a plurality of nozzles 27 four times so as to form the filter element 3 in a predetermined thickness. By doing this, it is possible to prevent difference in the thickness in a plurality of the filter elements 3 and to equalize light transparency in planar manner. Thus, in an ejecting apparatus, a color filter can be formed in more common way at low cost and more efficiently. Also, it is possible to provide an ejecting apparatus which can equalize factors such as electrooptic characteristics of the electrooptic members, color displaying characteristics by the liquid crystal apparatuses, and illuminating characteristics by an EL surface.
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: January 31, 2006
    Assignee: Seiko Epson Corporation
    Inventors: Shinichi Nakamura, Yoshiaki Yamada
  • Patent number: 6959502
    Abstract: A drying furnace contains therein hot plates which are disposed in a plurality of stages in a vertical direction, on each of which is seated a platelike workpiece. A gateway for the workpiece is disposed on a front side of the drying furnace and is normally left open to face the plurality of stages of hot plates. A chamber casing is disposed on a rear side of the drying furnace. An exhaust chamber is defined in the chamber casing and has a flow dividing plate which has formed therein a plurality of ventilation holes each facing a gap between the plurality of stages of hot plates. The exhaust chamber is forcibly exhausted by an exhaust blower.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: November 1, 2005
    Assignee: Seiko Epson Corporation
    Inventors: Shinichi Nakamura, Yoshiaki Yamada
  • Publication number: 20050231564
    Abstract: An ink jet head 22 of linear form which consists of a plurality of nozzles 27 arranged as a nozzle row 28 is provided in an ink jet device for manufacture of a color filter. Filter element material 13 from the nozzles 27 which differ from the motherboard 12 is discharged four superimposed times by the plurality of nozzles 27, and is formed to a predetermined film thickness upon a single filter element 3. It is possible to prevent the occurrence of undesirable deviations in film thickness between different ones of the filter elements 3, so that it is possible to flatten and make even the optical transparency characteristic of the resulting color filter 1.
    Type: Application
    Filed: June 14, 2005
    Publication date: October 20, 2005
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Shinichi Nakamura, Yoshiaki Yamada, Tsuyoshi Kitahara
  • Publication number: 20050231555
    Abstract: A member to be recognized for alignment is disposed in an object to be set in position and having formed therein a mark for image-wise recognition. The member is made up of a member main body formed substantially in a columnar shape and having a mirror-finished front end surface. The mark is formed into a depressed shape in substantially central part of the front end surface of the member main body.
    Type: Application
    Filed: June 13, 2005
    Publication date: October 20, 2005
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Shinichi Nakamura, Yoshiaki Yamada
  • Patent number: 6948795
    Abstract: With respect to an X coordinate shifted by a second length from an X coordinate of a reference nozzle of a first head, an X coordinate of a reference nozzle of a second head is further shifted by a length ½ times shorter than a first length. Further, with respect to an X coordinate shifted by the second length from an X coordinate of a reference nozzle of a third head, an X coordinate of a reference nozzle of a fourth head is further shifted by a length ½ times shorter than the first length. In addition, with respect to an X coordinate shifted by the second length from the X coordinate of the reference nozzle of the second head, the X coordinate of the reference nozzle of the third head is shifted by a length ¼ times or ¾ times shorter than the first length. The first length is a nozzle pitch of the head in an X-axis direction. The second length is a product of the first length and ¼ times of the number of the nozzles of the head.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: September 27, 2005
    Assignee: Seiko Epson Corporation
    Inventors: Masayuki Tashiro, Yoshiaki Yamada
  • Publication number: 20050209102
    Abstract: A thermal transfer recording medium include a support; and a heat-sensitive transfer layer on the support, and wherein the heat-sensitive transfer layer includes: a resin made from monomer which includes a glycidyl ester of an unsaturated carboxylic acid; and sulfonamide. The present invention also provides a thermal transfer recording method including transferring an image from the thermal transfer recording medium to an image receiving member.
    Type: Application
    Filed: March 17, 2005
    Publication date: September 22, 2005
    Inventors: Takayuki Sasaki, Shigeru Miyajima, Yoshiaki Yamada
  • Patent number: 6933958
    Abstract: A member to be recognized for alignment is disposed in an object to be set in position and having formed therein a mark for image-wise recognition. The member is made up of a member main body formed substantially in a columnar shape and having a mirror-finished front end surface. The mark is formed into a depressed shape in substantially central part of the front end surface of the member main body.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: August 23, 2005
    Assignee: Seiko Epson Corporation
    Inventors: Shinichi Nakamura, Yoshiaki Yamada
  • Publication number: 20050181287
    Abstract: A method of manufacturing a color filter includes a step of providing a base having a target discharge area, a step of discharging a liquid such as dispersion medium to at least a portion of the target discharge area, and a step of discharging a droplet of functional material such as a coloring ink to the target discharge area. One of the surface tension and the viscosity of the dispersion medium is lower than the one of the surface tension and the viscosity of the coloring ink. With this method of manufacturing a color filter, it is possible to suppress inadequate wetting of the edges of a pixel area with the coloring ink.
    Type: Application
    Filed: January 24, 2005
    Publication date: August 18, 2005
    Applicant: Seiko Epson Corporation
    Inventor: Yoshiaki Yamada
  • Publication number: 20050168526
    Abstract: The color element-equipped substrate of the present invention has a support base, a bank formed on the base that demarcates a pixel region, and a color element formed in the pixel region by depositing droplets of a liquid material in the pixel region. The bank demarcates the pixel region such that the pixel region has a undulated portion. In the color element-equipped substrate, the liquid material can be applied to the entire pixel region.
    Type: Application
    Filed: January 21, 2005
    Publication date: August 4, 2005
    Applicant: Seiko Epson Corporation
    Inventor: Yoshiaki Yamada
  • Publication number: 20050168918
    Abstract: An electric double layered capacitor is provided, which can ensure a cooling capability by radiating heat to an outside air. The electric double layered capacitor comprises a capacitor cell 1 including a bag-shaped soft case in which a plurality of positive electrodes and negative electrodes, and a separator are received and laminated together with an electrolytic solution, a belt-shaped radiating fin 5a which extends from a rim of the soft case, a heat transfer frame 15 to sandwich the radiating fin 5a, and a metal hard case 21 for thermal radiation in which a plurality of the capacitor cells 1 are received/laminated through the heat transfer frames 15.
    Type: Application
    Filed: March 19, 2003
    Publication date: August 4, 2005
    Applicant: NISSAN DIESEL MOTOR CO., LTD
    Inventors: Shuuichi Araki, Yoshiaki Yamada, Masakazu Sasaki
  • Patent number: 6921148
    Abstract: An ink jet head 22 of linear form which consists of a plurality of nozzles 27 arranged as a nozzle row 28 is provided in an ink jet device for manufacture of a color filter. Filter element material 13 from the nozzles 27 which differ from the motherboard 12 is discharged four superimposed times by the plurality of nozzles 27, and is formed to a predetermined film thickness upon a single filter element 3. It is possible to prevent the occurrence of undesirable deviations in film thickness between different ones of the filter elements 3, so that it is possible to flatten and make even the optical transparency characteristic of the resulting color filter 1.
    Type: Grant
    Filed: January 22, 2003
    Date of Patent: July 26, 2005
    Assignee: Seiko Epson Corporation
    Inventors: Shinichi Nakamura, Yoshiaki Yamada, Tsuyoshi Kitahara
  • Patent number: 6922185
    Abstract: An inputting device, an electronic instrument using this inputting device, and an inputting method thereof, in which displacement of an operating section in the direction slanting for the X or the Y direction is detected and the movement of a moving object such as a cursor on a display can be controlled easily and precisely, are provided. The operating section is displaced about in the horizontal direction and the vertical direction for a plane being almost parallel to the surface of a cabinet. In case that orthogonal coordinates having the X axis and the Y axis are set on the plane being almost parallel to the surface of the cabinet, horizontal direction sensors detect the displacement of the operating section in the direction slanting for the X or Y direction, in addition to in the X or Y direction. The cursor moves on the display based on the displacement of the operating section about in the horizontal direction.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: July 26, 2005
    Assignee: NEC Corporation
    Inventors: Yoshiaki Yamada, Michio Nagai, Midori Tanaka, Yoko Arimitsu, Tatsuya Uchikawa
  • Publication number: 20050110830
    Abstract: With respect to an X coordinate shifted by a second length from an X coordinate of a reference nozzle of a first head, an X coordinate of a reference nozzle of a second head is further shifted by a length ½ times shorter than a first length. Further, with respect to an X coordinate shifted by the second length from an X coordinate of a reference nozzle of a third head, an X coordinate of a reference nozzle of a fourth head is further shifted by a length ½ times shorter than the first length. In addition, with respect to an X coordinate shifted by the second length from the X coordinate of the reference nozzle of the second head, the X coordinate of the reference nozzle of the third head is shifted by a length ¼ times or ¾ times shorter than the first length. The first length is a nozzle pitch of the head in an X-axis direction. The second length is a product of the first length and ¼ times of the number of the nozzles of the head.
    Type: Application
    Filed: September 24, 2004
    Publication date: May 26, 2005
    Inventors: Masayuki Tashiro, Yoshiaki Yamada
  • Patent number: 6866356
    Abstract: The present invention provides a head drive unit capable of discharging a required amount of viscous body from a head having a pressure generating element, such as a piezoelectric element, and a method of the same, a droplet discharge unit having the head drive unit, a head drive program, and a device manufacturing method having a process of discharging the viscous body by the method as one of manufacturing processes. In the invention, a driving signal is a signal to be applied to a pressure generating element, such as a piezoelectric element, provided to a head and is generated in synchronization with a clock signal. The driving signal has a period to vary the voltage and a period to hold the voltage.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: March 15, 2005
    Assignee: Seiko Epson Corporation
    Inventors: Hidenori Usuda, Yoshiaki Yamada
  • Publication number: 20040216324
    Abstract: A drying furnace contains therein hot plates which are disposed in a plurality of stages in a vertical direction, on each of which is seated a platelike workpiece. A gateway for the workpiece is disposed on a front side of the drying furnace and is normally left open to face the plurality of stages of hot plates. A chamber casing is disposed on a rear side of the drying furnace. An exhaust chamber is defined in the chamber casing and has a flow dividing plate which has formed therein a plurality of ventilation holes each facing a gap between the plurality of stages of hot plates. The exhaust chamber is forcibly exhausted by an exhaust blower.
    Type: Application
    Filed: November 17, 2003
    Publication date: November 4, 2004
    Inventors: Shinichi Nakamura, Yoshiaki Yamada
  • Patent number: 6787913
    Abstract: A sputtering method of depositing a titanium nitride film on a titanium film in contact with a silicon at a bottom of a contact hole is provided, wherein the sputtering method is carried out at a temperature of the silicon region of not less than 450° C., so that the titanium nitride film has a compressive stress of not higher than 5×109 dyne/cm2 whereby the titanium film has such a high stability as preventing any crack upon changing the compressive stress to a tensile stress by a heat treatment.
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: September 7, 2004
    Assignee: NEC Electronics Corporation
    Inventors: Yoshiaki Yamada, Takashi Yokoyama
  • Patent number: 6777912
    Abstract: This invention allows storage electric power to be secured at a maximum by reducing variation in potential between a plurality of capacitors constituting an electric power storage device as follows. A plurality of capacitor banks are provided, in parallel, in the electric power storage device. A part of the respective capacitor banks is halted depending on the current flowing through the electric power storage device. Electric charge of the respective capacitor parallel circuits is individually discharged in the halted capacitor bank, thereby, the terminal voltage of the respective capacitor parallel circuits are equalized.
    Type: Grant
    Filed: May 3, 2002
    Date of Patent: August 17, 2004
    Assignee: Nissan Diesel Motor Co, Ltd.
    Inventors: Jun Yamada, Yoshiaki Yamada, Tsutomu Sasaki, Masakazu Sasaki
  • Publication number: 20040137159
    Abstract: An apparatus for sucking a function liquid droplet ejection head has an ejector and an arrangement for supplying the ejector with a working fluid. A cap is brought into close contact with a nozzle surface of the function liquid droplet ejection head, and the ejector is operated to thereby suck the nozzle surface through the cap by means of the working fluid.
    Type: Application
    Filed: November 11, 2003
    Publication date: July 15, 2004
    Inventors: Shinichi Nakamura, Yoshiaki Yamada
  • Publication number: 20040125159
    Abstract: A liquid drop ejecting device is provided with liquid drop ejecting heads having different specifications from each other and plural dummy load circuits which apply electric loads to the liquid drop ejecting heads, and analogue switches for switching the dummy load circuit which is connected to the liquid drop ejecting heads according to the liquid drop ejecting head to be driven. By doing this, it is possible to provide a liquid drop ejecting device and a method therefor, a layer forming device and a method for forming a layer, a method for manufacturing a device, and an electronic apparatus without deteriorating a quality of the printed image.
    Type: Application
    Filed: September 9, 2003
    Publication date: July 1, 2004
    Inventors: Hidenori Usuda, Shinichi Nakamura, Yutaka Takano, Yoshiaki Yamada