Patents by Inventor Shoji Kusumoto

Shoji Kusumoto 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).

  • Publication number: 20190304697
    Abstract: A multi-layer ceramic electronic component includes a ceramic body including: a multi-layer unit including a capacitance forming unit including ceramic layers laminated in a first direction and internal electrodes disposed therebetween, a side surface facing in a second direction orthogonal to the first direction, an end surface facing in a third direction orthogonal to the above directions, a drawn portion extending from the capacitance forming unit in the third direction, the internal electrodes being drawn to the end surface, and a cover that covers the capacitance forming unit and the drawn portion in the first direction; and a side margin that covers the side surface. The drawn portion includes a first region and a second region disposed between the cover and the first region, an end portion of each internal electrode in the second region being positioned inward in the second direction relative to that in the first region.
    Type: Application
    Filed: March 15, 2019
    Publication date: October 3, 2019
    Inventors: TOMOAKI NAKAMURA, MIKIO TAHARA, KOICHIRO MORITA, TETSUHIKO FUKUOKA, SHOJI KUSUMOTO
  • Publication number: 20190221368
    Abstract: A multi-layer ceramic capacitor includes: a multi-layer unit including a capacitance forming unit including internal electrodes laminated in a first direction, a drawn portion extending from the capacitance forming unit in a second direction, and a cover that covers the capacitance forming unit and the drawn portion in the first direction, the multi-layer unit having a main surface facing in the first direction, an end surface facing in the second direction, and a side surface facing in a third direction; and a side margin provided to the side surface, the side surface including a first straight portion including an outer edge of the main surface and extending in the second direction, a second straight portion including an outer edge of the end surface and extending in the first direction, and a corner portion that connects the first and second straight portions with each other, the corner portion being curved.
    Type: Application
    Filed: January 3, 2019
    Publication date: July 18, 2019
    Inventors: RYO ONO, TETSUHIKO FUKUOKA, SHOJI KUSUMOTO, AKIHIKO KONO
  • Publication number: 20190164693
    Abstract: A multi-layer ceramic electronic component includes a ceramic body including a multi-layer unit, a side margin, and ridges. The multi-layer unit includes a capacitance forming unit including ceramic layers laminated in a first direction and internal electrodes disposed between the ceramic layers, a cover that covers the capacitance forming unit in the first direction, and a side surface facing in a second direction orthogonal to the first direction. The side margin covers the side surface. The ridges are rounded and extend in a third direction orthogonal to the first and second directions. The capacitance forming unit includes a first region disposed at a center portion in the first direction, and a second region disposed between the cover and the first region, end portions of the internal electrodes in the second direction in the second region being positioned inward in the second direction relative to those in the first region.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 30, 2019
    Inventors: RYO ONO, TETSUHIKO FUKUOKA, SHOJI KUSUMOTO, AKIHIKO KONO
  • Publication number: 20180294097
    Abstract: A multi-layer ceramic capacitor includes a multi-layer unit and a side margin. The multi-layer unit includes ceramic layers laminated in a first direction, internal electrodes disposed between the ceramic layers, a main surface oriented in the first direction, a surface layer portion in a range from the main surface to a predetermined depth, and a center portion adjacent to the surface layer portion in the first direction. The side margin covers the multi-layer unit from a second direction orthogonal to the first direction. The ceramic layers have an average dimension in the first direction that is 0.4 ?m or less. Each of the internal electrodes includes an oxidized region adjacent to the side margin. The oxidized region in the surface layer portion has a dimension in the second direction that is equal to or more than two times the average dimension of the ceramic layers in the first direction.
    Type: Application
    Filed: March 12, 2018
    Publication date: October 11, 2018
    Inventors: RYO ONO, TETSUHIKO FUKUOKA, SHOJI KUSUMOTO, AKIHIKO KONO
  • Publication number: 20180151295
    Abstract: A multi-layer ceramic capacitor includes: a body including first and second end surfaces facing each other in a uniaxial direction, a first internal electrode drawn to the first end surface, a second internal electrode drawn to the second end surface, a capacitance forming unit including the first and second internal electrodes, and first and second end margins; a first external electrode; and a second external electrode, the multi-layer ceramic capacitor having a dimension of 0.4 mm or less in the uniaxial direction, the multi-layer ceramic capacitor satisfying the following condition: R??4.4*ln(S)+2.3, where R (%) represents a proportion of a total dimension of the first and second end margins in the uniaxial direction to a dimension of the body in the uniaxial direction, and S (mm2) represents an area of a cross section of the capacitance forming unit, the cross section being orthogonal to the uniaxial direction.
    Type: Application
    Filed: November 28, 2017
    Publication date: May 31, 2018
    Inventors: Daisuke Iwai, Shoji Kusumoto, Yoshinori Shibata, Michio Oshima, Atsuhiro Yanagisawa, Yasushi Inoue
  • Publication number: 20180114645
    Abstract: A multi-layer ceramic capacitor includes a body including a multi-layer unit and a side margin, and an external electrode. The multi-layer unit includes ceramic layers laminated in a first direction, first and second internal electrodes alternately disposed between the ceramic layers, an end surface oriented in a second direction orthogonal to the first direction, the first internal electrode being drawn from the end surface, an end margin disposed between the end surface and the second internal electrode, and a side surface oriented in a third direction orthogonal to the former directions, the internal electrodes being exposed to the side surface. The side margin covers the side surface. The external electrode includes an entry portion and covers the body from the side of the end surface, the entry portion being disposed on the end margin and entering a gap between the side surface and the side margin from the end surface.
    Type: Application
    Filed: October 18, 2017
    Publication date: April 26, 2018
    Inventors: Ryo Ono, Tetsuhiko Fukuoka, Shoji Kusumoto, Akihiko Kono
  • Patent number: 9517476
    Abstract: According to an aspect of the present invention, there is provided a centrifuge including: a driving unit which rotates a rotor on which a sample is held; an input/output unit which displays information thereon and receives an input from a user therethrough; and a control unit which controls a rotation speed of the rotor to an input set rotation speed; wherein, when the rotor is rotating, the input/output unit displays first time information corresponding to a time when the rotor has been accelerated to the set rotation speed.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: December 13, 2016
    Assignee: HITACHI KOKI CO., LTD.
    Inventors: Hisanobu Ooyama, Hiroyuki Takahashi, Shoji Kusumoto, Shinichi Haruki, Yuki Shimizu
  • Patent number: 9517475
    Abstract: A centrifuge including: a rotor configured to be rotatably driven; a rotor chamber accommodating the rotor therein; and a protector provided at an outer periphery of the rotor chamber, wherein the protector includes at least one metal plate which is wound in an overlapping state.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: December 13, 2016
    Assignee: HITACHI KOKI CO., LTD.
    Inventors: Shoji Kusumoto, Yoshitaka Imoto
  • Patent number: 9433948
    Abstract: A centrifuge including a temperature sensor measuring ambient temperature is provided. Centrifugation operation is available or not is determined in accordance with a type of a rotor, the ambient temperature, or operation conditions set by a user. When it is inoperable, a display device displays that it is inoperable so as to invite the user to select necessity of modification of the operation conditions. Upon the display, modified operation conditions which are candidates of operable operation conditions are displayed to let the user select a candidate. To operate under the selected setting operation conditions, the display device displays that the operation is working under modified conditions.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: September 6, 2016
    Assignee: HITACHI KOKI CO., LTD.
    Inventors: Shoji Kusumoto, Tatsuya Konno, Ryou Murayama, Yuki Hodotsuka, Yuki Shimizu
  • Publication number: 20140296051
    Abstract: A centrifuge including: a rotor configured to be rotatably driven; a rotor chamber accommodating the rotor therein; and a protector provided at an outer periphery of the rotor chamber, wherein the protector includes at least one metal plate which is wound in an overlapping state.
    Type: Application
    Filed: March 18, 2014
    Publication date: October 2, 2014
    Applicant: HITACHI KOKI CO., LTD.
    Inventors: Shoji Kusumoto, Yoshitaka Imoto
  • Publication number: 20140024516
    Abstract: A centrifuge including a temperature sensor measuring ambient temperature is provided. Centrifugation operation is available or not is determined in accordance with a type of a rotor, the ambient temperature, or operation conditions set by a user. When it is inoperable, a display device displays that it is inoperable so as to invite the user to select necessity of modification of the operation conditions. Upon the display, modified operation conditions which are candidates of operable operation conditions are displayed to let the user select a candidate. To operate under the selected setting operation conditions, the display device displays that the operation is working under modified conditions.
    Type: Application
    Filed: July 15, 2013
    Publication date: January 23, 2014
    Inventors: Shoji KUSUMOTO, Tatsuya KONNO, Ryou MURAYAMA, Yuki HODOTSUKA, Yuki SHIMIZU
  • Patent number: 8562502
    Abstract: A centrifugal separator includes: a rotor configured to hold a sample to be separated; a driving device configured to rotate the rotor and including a driving shaft; a chamber configured to contain the rotor and including a through hole through which the driving shaft is passed; a seal member configured to fitted over the through hole of the chamber and the driving shaft; a drain hole configured to discharge liquid in the chamber to an exterior; and an undulated part configured to guide a flow of the liquid and is provided on an upper surface of the seal member.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: October 22, 2013
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Ryou Murayama, Shoji Kusumoto, Yuki Shimizu
  • Publication number: 20110294642
    Abstract: A centrifugal separator includes: a rotor configured to hold a sample to be separated; a driving device configured to rotate the rotor and including a driving shaft; a chamber configured to contain the rotor and including a through hole through which the driving shaft is passed; a seal member configured to fitted over the through hole of the chamber and the driving shaft; a drain hole configured to discharge liquid in the chamber to an exterior; and an undulated part configured to guide a flow of the liquid and is provided on an upper surface of the seal member.
    Type: Application
    Filed: May 23, 2011
    Publication date: December 1, 2011
    Applicant: HITACHI KOKI CO., LTD.
    Inventors: Ryou MURAYAMA, Shoji KUSUMOTO, Yuki SHIMIZU
  • Publication number: 20110207590
    Abstract: According to an aspect of the present invention, there is provided a centrifuge including: a driving unit which rotates a rotor on which a sample is held; an input/output unit which displays information thereon and receives an input from a user therethrough; and a control unit which controls a rotation speed of the rotor to an input set rotation speed; wherein, when the rotor is rotating, the input/output unit displays first time information corresponding to a time when the rotor has been accelerated to the set rotation speed.
    Type: Application
    Filed: October 30, 2009
    Publication date: August 25, 2011
    Applicant: HITACHI KOKI CO., LTD.
    Inventors: Hisanobu Ooyama, Hiroyuki Takahashi, Shoji Kusumoto, Shinichi Haruki, Yuki Shimizu
  • Patent number: 7883456
    Abstract: A centrifugal machine includes a vibration preventive mechanism part containing a support member and a damping portion disposed in the support member so as to be connectable or contactable to the drive device. The damping portion includes a magnet member and a friction member disposed on the support member and, owing to the magnetic force of the magnet member, the friction member is contacted with a first arm member. The magnet member can be magnetized by an electromagnetic coil and, owing to the magnetic force of the magnet member, the friction member can be contacted with the first arm member. On receiving a vibration change from a drive device, the vibration preventive mechanism part can dampen the vibration change using the damping portion.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: February 8, 2011
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Shoji Kusumoto, Shinki Ohtsu
  • Patent number: 7651456
    Abstract: According to an aspect of the invention, there is provided a rotor for a centrifuge which includes an annular portion having a plurality of storing portions each holding a sample vessel that contains a sample to be separated, the annular portion being provided with an end face portion at which holes of the storing portions are opened so as to be aligned in a circumferential direction thereof. Concave portions are disposed each between a corresponding pair of the adjacent holes on the end face portion.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: January 26, 2010
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Yuki Shimizu, Shoji Kusumoto, Kenichi Nemoto
  • Publication number: 20090023571
    Abstract: A centrifugal machine comprises a box member; a drive device mounted within the box member and having a rotation shaft; a rotor connected to the rotation shaft of the drive device for holding a specimen to be centrifuged; and, a damper for mounting the drive device into the box member, wherein the centrifugal machine further includes a vibration preventive mechanism part, the vibration preventive mechanism part containing a support member to be supported by the box member and a damping portion disposed in the support member so as to be connectable or contactable to the drive device, and also wherein, on receiving a vibration change from the drive device, the vibration preventive mechanism part can dampen the vibration change using the damping portion.
    Type: Application
    Filed: August 31, 2007
    Publication date: January 22, 2009
    Inventors: Shoji KUSUMOTO, Shinki Ohtsu
  • Publication number: 20080248939
    Abstract: According to an aspect of the invention, there is provided a rotor for a centrifuge which includes an annular portion having a plurality of storing portions each holding a sample vessel that contains a sample to be separated, the annular portion being provided with an end face portion at which holes of the storing portions are opened so as to be aligned in a circumferential direction thereof. Concave portions are disposed each between a corresponding pair of the adjacent holes on the end face portion.
    Type: Application
    Filed: February 29, 2008
    Publication date: October 9, 2008
    Inventors: Yuki SHIMIZU, Shoji KUSUMOTO, Kenichi NEMOTO
  • Patent number: 7311653
    Abstract: An air flow valve capable of being opened and closed is provided between the interior of the rotor chamber sealed with the door and the exterior thereof, and formed so that, when the door is closed, or when the door is opened, the air flow valve is temporarily opened.
    Type: Grant
    Filed: September 12, 2005
    Date of Patent: December 25, 2007
    Assignee: Hitachi Koki Co., Ltd.
    Inventor: Shoji Kusumoto
  • Patent number: 7255669
    Abstract: A centrifuge includes a frame, a damper connected to and supported on the frame for isolating vibrations, a drive unit connected to and supported by the damper, a swing-bucket rotor rotated by the drive unit, an accelerometer for detecting when part of the drive unit contacts part of the frame due to vibrations of the drive unit exceeding a predetermined amplitude, and a control unit for controlling the drive unit based on output from the accelerometer. When amplitude of vibrations in the drive unit exceeds a predetermined value, a portion of the drive unit contacts a portion of the frame. The accelerometer detects an impact caused by the contact between the drive unit and the frame. The drive unit is halted when output detected from the accelerometer exceeds a threshold value for detecting imbalances.
    Type: Grant
    Filed: October 8, 2004
    Date of Patent: August 14, 2007
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takahiro Shimizu, Yoshitaka Niinai, Shoji Kusumoto, Hiroyuki Takahashi