Patents by Inventor Eisuke Maruyama

Eisuke Maruyama 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: 8959752
    Abstract: A transformer core manufacturing apparatus for manufacturing an annular transformer core having thin plates formed of magnetic materials laminated includes an uncoiler unit which allows a plurality of uncoilers each having a thin plate magnetic material coiled hoop-like to uncoil the magnetic material, a carrier unit for guiding a plurality of the magnetic materials uncoiled from the plurality of the uncoilers as a single group of magnetic body, a first alignment unit for aligning the carried group of the single magnetic body in a width direction, a cut-off unit for cutting the magnetic body aligned by the first alignment unit in a predetermined dimension, a laminating unit for laminating a plurality of the groups of the magnetic body cut by the cut-off unit, a second alignment unit for aligning the magnetic body laminated on the laminating unit, and a control unit for controlling operations of the above cited units.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: February 24, 2015
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Shunsuke Ikeda, Junichi Ishizuki, Takashi Kurata, Eisuke Maruyama
  • Publication number: 20120277082
    Abstract: A cutting device of the present invention includes an upper blade, an upper blade fixing plate, a lower blade and a lower blade fixing plate, the upper blade is attached by being bolt-clamped and fixed to the upper blade fixing plate from the outer side and the lower blade is attached by being bolt-clamped and fixed to the lower blade fixing plate from the outer side in a direction opposite to an upper blade attaching direction, thereby to solve problems that cutting of an amorphous sheet material is adversely affected by worn-out upper and lower blades and a time is taken to insert a spacer for adjustment of a clearance between the upper and lower blades.
    Type: Application
    Filed: January 20, 2012
    Publication date: November 1, 2012
    Inventors: Kazutaka NISHIMURA, Junichi ISHIZUKI, Eisuke MARUYAMA, Katsuaki INOUE
  • Publication number: 20120047718
    Abstract: Transformer core manufacturing apparatus and method having magnetic thin plates aligned with high accuracy are provided for manufacturing the transformer core using the thin and lightweight magnetic plates.
    Type: Application
    Filed: July 20, 2011
    Publication date: March 1, 2012
    Inventors: Shunsuke Ikeda, Junichi Ishizuki, Takashi Kurata, Eisuke Maruyama
  • Patent number: 7948347
    Abstract: At least two or more flat rectangular wires having been fed separately or simultaneously (two or more are superimposed) are integrated by being pinched in a width direction and a thickness direction by at least two or more pairs of rollers and are rolled and formed simultaneously in a forming part to be formed into two or more flat rectangular electric wires. The two formed electric wires are stacked in layers in a wind-up part while being wound into a disk shape to provide a multi-stage coil. Two or more systems up to the forming part of the winding apparatus may be disposed in a planar layout. Each system may supply one flat rectangular electric wire separately, and the supplied electric wires may be stacked in layers in the wind-up part while being superimposed. The coil may be molded entirely.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: May 24, 2011
    Assignee: Hitachi Industrial Equipment Systems Co.,
    Inventors: Eisuke Maruyama, Toshio Ogata, Jyunichi Ishizuki
  • Publication number: 20100295647
    Abstract: At least two or more flat rectangular wires having been fed separately or simultaneously (two or more are superimposed) are integrated by being pinched in a width direction and a thickness direction by at least two or more pairs of rollers and are rolled and formed simultaneously in a forming part to be formed into two or more flat rectangular electric wires. The two formed electric wires are stacked in layers in a wind-up part while being wound into a disk shape to provide a multi-stage coil. Two or more systems up to the forming part of the winding apparatus may be disposed in a planar layout. Each system may supply one flat rectangular electric wire separately, and the supplied electric wires may be stacked in layers in the wind-up part while being superimposed. The coil may be molded entirely.
    Type: Application
    Filed: August 3, 2010
    Publication date: November 25, 2010
    Inventors: Eisuke Maruyama, Toshio Ogata, Jyunichi Ishizuki
  • Patent number: 7793880
    Abstract: At least two or more flat rectangular wires having been fed separately or simultaneously (two or more are superimposed) are integrated by being pinched in a width direction and a thickness direction by at least two or more pairs of rollers and are rolled and formed simultaneously in a forming part to be formed into two or more flat rectangular electric wires. The two formed electric wires are stacked in layers in a wind-up part while being wound into a disk shape to provide a multi-stage coil. Two or more systems up to the forming part of the winding apparatus may be disposed in a planar layout. Each system may supply one flat rectangular electric wire separately, and the supplied electric wires may be stacked in layers in the wind-up part while being superimposed. The coil may be molded entirely.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: September 14, 2010
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Eisuke Maruyama, Toshio Ogata, Jyunichi Ishizuki
  • Publication number: 20090284338
    Abstract: At least two or more flat rectangular wires having been fed separately or simultaneously (two or more are superimposed) are integrated by being pinched in a width direction and a thickness direction by at least two or more pairs of rollers and are rolled and formed simultaneously in a forming part to be formed into two or more flat rectangular electric wires. The two formed electric wires are stacked in layers in a wind-up part while being wound into a disk shape to provide a multi-stage coil. Two or more systems up to the forming part of the winding apparatus may be disposed in a planar layout. Each system may supply one flat rectangular electric wire separately, and the supplied electric wires may be stacked in layers in the wind-up part while being superimposed. The coil may be molded entirely.
    Type: Application
    Filed: February 12, 2009
    Publication date: November 19, 2009
    Inventors: Eisuke Maruyama, Toshio Ogata, Jyunichi Ishizuki
  • Patent number: 4360127
    Abstract: An apparatus for supplying fluid of predetermined quantity comprises a supplying passage for supplying fluid, an opening and closing valve provided within the supplying passage, mechanism for opening the opening and closing valve, locking mechanism for locking the opening and closing valve in an open state, negative pressure generating mechanism for generating negative pressure upon supply of the fluid outside through the supplying passage, lock releasing mechanism for releasing the lock of the locking mechanism by the introduction of the negative pressure generated by the negative pressure generating mechanism atmosphere introducing mechanism for introducing atmosphere into the lock releasing mechanism to neutralize the negative pressure, solenoid valve for interrupting the atmosphere introduction by the atmosphere introducing mechanism, measuring device for measuring the flow rate of the fluid supplied through the supplying passage, and control signal transmitting device for transmitting and supplying the c
    Type: Grant
    Filed: October 17, 1980
    Date of Patent: November 23, 1982
    Assignees: Tokico Ltd., Tokico Yuki Ltd.
    Inventors: Eisuke Maruyama, Hiromitsu Kobayashi, Masakazu Mitsuhashi, Hiromichi Takeuchi, Yoshiki Futamura, Naohito Suzuki
  • Patent number: 4359074
    Abstract: A fuel supplying apparatus comprises a fuel supplying nozzle having an ejection pipe for ejecting fuel and a supplying passage for supplying the fuel to the ejection pipe, an opening and closing valve provided in the supply passage, a nozzle lever for opening the opening and closing valve, locking mechanism for locking the opening and closing valve in an open state, negative pressure generating mechanism for generating negative pressure upon supply of the fuel outside through the ejection pipe, lock releasing mechanism for releasing the lock of the locking mechanism by the introduction of the negative pressure generated by the negative pressure generating mechanism, atmosphere introducing mechanism for introducing atmosphere into the lock releasing mechanism to neutralize the negative pressure, solenoid valve for interrupting the introduction of the atmosphere by the atmosphere introducing mechanism when no current is introduced, and allowing the introduction of the atmosphere by the atmosphere introducing me
    Type: Grant
    Filed: October 17, 1980
    Date of Patent: November 16, 1982
    Assignees: Tokico Ltd., Tokico Yuki Ltd.
    Inventors: Eisuke Maruyama, Hiromitsu Kobayashi, Masakazu Mitsuhashi, Hiromichi Takeuchi, Yoshiki Futamura, Naohito Suzuki
  • Patent number: D809457
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: February 6, 2018
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Miki Yamazaki, Manabu Dohi, Eisuke Maruyama, Ryosuke Mikoshiba, Kenichi Souma
  • Patent number: D809458
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: February 6, 2018
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Miki Yamazaki, Manabu Dohi, Eisuke Maruyama, Ryosuke Mikoshiba, Kenichi Souma