Patents by Inventor Toshinao Kato

Toshinao Kato 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: 11815163
    Abstract: A speed reducer including: an input shaft; a first barrel cam; a first output table; an intermediate shaft; a second cam; and a second output table, in the first output table, the plurality of first cam followers being provided concentrically around a rotation center position of the intermediate shaft, concerning a certain first cam follower among the plurality of first cam followers, when a center position of the certain first cam follower when the certain first cam follower has been moved to a farthest end on one side in the up-down direction is defined as a reference position, a center position of the first barrel cam being shifted to another side in the up-down direction with respect to the reference position, an engagement center position in the front-rear direction between an engagement start position and an engagement end position being shifted either of forward and rearward with respect to the reference position.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: November 14, 2023
    Assignee: TECHNO DYNAMICS, INC.
    Inventors: Toshinao Kato, Hiroki Yagi, Hironori Tozuka
  • Publication number: 20220120339
    Abstract: A speed reducer including: an input shaft; a first barrel cam; a first output table; an intermediate shaft; a second cam; and a second output table, in the first output table, the plurality of first cam followers being provided concentrically around a rotation center position of the intermediate shaft, concerning a certain first cam follower among the plurality of first cam followers, when a center position of the certain first cam follower when the certain first cam follower has been moved to a farthest end on one side in the up-down direction is defined as a reference position, a center position of the first barrel cam being shifted to another side in the up-down direction with respect to the reference position, an engagement center position in the front-rear direction between an engagement start position and an engagement end position being shifted either of forward and rearward with respect to the reference position.
    Type: Application
    Filed: October 18, 2021
    Publication date: April 21, 2022
    Inventors: Toshinao KATO, Hiroki YAGI, Hironori TOZUKA
  • Patent number: 10239700
    Abstract: The present invention is characterized to include a cylindrical cam that is provided to correspond to a moving path and possesses an engaging groove, the moving path moving in an uncoupled state with each of a plurality of carriers to which an object to be conveyed is respectively installed and the plurality of carriers being in states where a set of a plurality of first carriers and a set of a plurality of second carriers are alternately lined up, and a drive source that drives the cylindrical cam, wherein a first cylindrical cam and a second cylindrical cam, as the cylindrical cam, are respectively provided to correspond to a predetermined position in the moving path, the first cylindrical cam possessing an engaging groove with which only the first carriers are engageable and the second cylindrical cam possessing an engaging groove with which only the second carriers are engageable, a first drive source that drives the first cylindrical cam and a second drive source that drives the second cylindrical cam ar
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: March 26, 2019
    Assignee: Techno Dynamics Inc.
    Inventor: Toshinao Kato
  • Publication number: 20180185971
    Abstract: A cam device includes: a cam unit, a reduction unit and a housing. The cam unit includes a rotating body and a cam. The rotating body includes a cam follower. The cam includes a cam surface that engages with the cam follower, and the cam is configured to rotate the rotating body by rotation of the cam. The reduction unit is provided between a motor and the cam, and includes a motor gear and a cam gear. The motor gear is mounted on a motor side of the reduction unit. The cam gear is mounted on a cam side of the reduction unit. The housing includes a first housing part and a second housing part as a unit. The first housing part accommodates the cam unit, and the second housing part accommodates the reduction unit.
    Type: Application
    Filed: January 4, 2018
    Publication date: July 5, 2018
    Inventor: Toshinao KATO
  • Patent number: 9995378
    Abstract: A drive device is provided to include: a case; a first motor and a second motor having an output shaft extending along a first axial line in the case and a second axial line parallel to the first axial line in the case, respectively; a first output shaft including a first shaft body and roller followers, the roller followers being engaged at a predetermined reduction gear ratio with the rib of the first motor; a second output shaft including a second shaft body and roller followers, the roller followers being engaged at a predetermined reduction gear ratio with the rib of the second motor; a first sealing member located between the case and the outer peripheral surface of the first shaft body; and a second sealing member located between an inner peripheral surface of the first shaft body and an outer peripheral surface of the second shaft body.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: June 12, 2018
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Tsutomu Hiroki, Toshinao Kato
  • Patent number: 9975703
    Abstract: The present invention is characterized to include a carrier to which an object to be carried is installed, a moving path where a plurality of the carriers respectively move in uncoupled states, a conveying part that comes into contact with the carrier to directly move the carrier and that makes a contacted carrier that had come into contact and been moved push a plurality of carriers that are positioned in front of the contacted carrier to indirectly move the plurality of carriers, and a cylindrical cam that possesses an engaging groove and that is provided to correspond to only a part of the moving path, wherein the cylindrical cam rotates to move the plurality of the carriers that are pushed by the contacted carrier to reach the cylindrical cam and that are engaged with the engaging groove, and changes an interval between the plurality of carriers as well.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: May 22, 2018
    Assignee: Techno Dynamics Inc.
    Inventor: Toshinao Kato
  • Publication number: 20170327320
    Abstract: The present invention is characterized to include a cylindrical cam that is provided to correspond to a moving path and possesses an engaging groove, the moving path moving in an uncoupled state with each of a plurality of carriers to which an object to be conveyed is respectively installed and the plurality of carriers being in states where a set of a plurality of first carriers and a set of a plurality of second carriers are alternately lined up, and a drive source that drives the cylindrical cam, wherein a first cylindrical cam and a second cylindrical cam, as the cylindrical cam, are respectively provided to correspond to a predetermined position in the moving path, the first cylindrical cam possessing an engaging groove with which only the first carriers are engageable and the second cylindrical cam possessing an engaging groove with which only the second carriers are engageable, a first drive source that drives the first cylindrical cam and a second drive source that drives the second cylindrical cam ar
    Type: Application
    Filed: May 8, 2017
    Publication date: November 16, 2017
    Inventor: Toshinao KATO
  • Publication number: 20170327319
    Abstract: The present invention is characterized to include a carrier to which an object to be carried is installed, a moving path where a plurality of the carriers respectively move in uncoupled states, a conveying part that comes into contact with the carrier to directly move the carrier and that makes a contacted carrier that had come into contact and been moved push a plurality of carriers that are positioned in front of the contacted carrier to indirectly move the plurality of carriers, and a cylindrical cam that possesses an engaging groove and that is provided to correspond to only a part of the moving path, wherein the cylindrical cam rotates to move the plurality of the carriers that are pushed by the contacted carrier to reach the cylindrical cam and that are engaged with the engaging groove, and changes an interval between the plurality of carriers as well.
    Type: Application
    Filed: May 8, 2017
    Publication date: November 16, 2017
    Inventor: Toshinao KATO
  • Patent number: 9726238
    Abstract: An overload limiting device includes: a rolling element; a rotatable first rotation member having a housing portion that houses the rolling element; a rotatable second rotation member having an engagement recess portion that engages detachably with the rolling element housed in the housing portion, the second rotation member being arranged opposing the first rotation member; a biasing member that biases the rolling element toward the engagement recess portion; and an adjustment nut that adjusts a biasing force of the biasing member by moving in a rotation axis direction of the first rotation member, the adjustment nut being provided to the first rotation member, the first rotation member including a scale showing a position of the adjustment nut in the rotation axis direction.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: August 8, 2017
    Assignee: Techno Dynamics Inc.
    Inventor: Toshinao Kato
  • Publication number: 20150354642
    Abstract: An overload limiting device includes: a rolling element; a rotatable first rotation member having a housing portion that houses the rolling element; a rotatable second rotation member having an engagement recess portion that engages detachably with the rolling element housed in the housing portion, the second rotation member being arranged opposing the first rotation member; a biasing member that biases the rolling element toward the engagement recess portion; and an adjustment nut that adjusts a biasing force of the biasing member by moving in a rotation axis direction of the first rotation member, the adjustment nut being provided to the first rotation member, the first rotation member including a scale showing a position of the adjustment nut in the rotation axis direction.
    Type: Application
    Filed: June 5, 2015
    Publication date: December 10, 2015
    Inventor: Toshinao Kato
  • Patent number: 9166457
    Abstract: The disclosure discloses a rotating electrical machine that is integrally formed with a reduction device having an input shaft to which a roller gear cam is provided and an output shaft to which cam followers configured to sequentially engage with the roller gear cam is provided on an outer periphery, extending along a direction orthogonal to the input shaft, and is configured to employ one of a field system or an armature as a rotator and the other of the field system or the armature as a stator, including a rotating shaft that is fixed to the rotator and integrally formed as a single shaft with the input shaft of the reduction device.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: October 20, 2015
    Assignees: KABUSHIKI KAISHA YASKAWA DENKI, SANKYO SEISAKUSHO CO.
    Inventors: Toshiyuki Yamagishi, Nobukazu Miyauchi, Kenji Matsuura, Toshinao Kato, Atsushi Oishi, Toshiki Takahashi
  • Patent number: 9138901
    Abstract: A transfer device can control a posture of a holding table accurately and prevent the holding table from wobbling even when the holding table is moved at a high speed. A first posture holding link 56 and a second posture holding link 57 are provided at the transfer device. One end of the first posture holding link 56 and one end of the second posture holding link 57 are rotatably connected to a connecting shaft 53. Rails 51 and 52 are fastened to a base plate 27 of the holding table 21. Rollers 54 and 55 are connected to the connecting shaft 53 to be rotated about an axis line. The rollers 54 and 55 are in contact with roller driving portions 51a and 52a. When the holding table 21 is moved, the rollers 54 and 55 are rotated on the roller driving portions 51a and 52a.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: September 22, 2015
    Assignees: TOKYO ELECTRON LIMITED, SANKYO SEISAKUSHO CORPORATION
    Inventors: Tsutomu Hiroki, Toshinao Kato
  • Publication number: 20140209241
    Abstract: A drive device is provided to include: a case; a first motor and a second motor having an output shaft extending along a first axial line in the case and a second axial line parallel to the first axial line in the case, respectively; a first output shaft including a first shaft body and roller followers, the roller followers being engaged at a predetermined reduction gear ratio with the rib of the first motor; a second output shaft including a second shaft body and roller followers, the roller followers being engaged at a predetermined reduction gear ratio with the rib of the second motor; a first sealing member located between the case and the outer peripheral surface of the first shaft body; and a second sealing member located between an inner peripheral surface of the first shaft body and an outer peripheral surface of the second shaft body.
    Type: Application
    Filed: March 28, 2014
    Publication date: July 31, 2014
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Tsutomu HIROKI, Toshinao KATO
  • Publication number: 20130216335
    Abstract: A transfer device can control a posture of a holding table accurately and prevent the holding table from wobbling even when the holding table is moved at a high speed. A first posture holding link 56 and a second posture holding link 57 are provided at the transfer device. One end of the first posture holding link 56 and one end of the second posture holding link 57 are rotatably connected to a connecting shaft 53. Rails 51 and 52 are fastened to a base plate 27 of the holding table 21. Rollers 54 and 55 are connected to the connecting shaft 53 to be rotated about an axis line. The rollers 54 and 55 are in contact with roller driving portions 51a and 52a. When the holding table 21 is moved, the rollers 54 and 55 are rotated on the roller driving portions 51a and 52a.
    Type: Application
    Filed: September 14, 2011
    Publication date: August 22, 2013
    Applicants: SANKYO SEISAKUSHO CORPORATION, TOKYO ELECTRON LIMITED
    Inventors: Tsutomu Hiroki, Toshinao Kato
  • Publication number: 20120175982
    Abstract: The disclosure discloses a rotating electrical machine that is integrally formed with a reduction device having an input shaft to which a roller gear cam is provided and an output shaft to which cam followers configured to sequentially engage with the roller gear cam is provided on an outer periphery, extending along a direction orthogonal to the input shaft, and is configured to employ one of a field system or an armature as a rotator and the other of the field system or the armature as a stator, including a rotating shaft that is fixed to the rotator and integrally formed as a single shaft with the input shaft of the reduction device.
    Type: Application
    Filed: January 11, 2012
    Publication date: July 12, 2012
    Applicants: Sankyo Seisakusho Co., Kabushiki Kaisha Yaskawa Denki
    Inventors: Toshiyuki YAMAGISHI, Nobukazu MIYAUCHI, Kenji MATSUURA, Toshinao KATO, Atsushi OISHI, Toshiki TAKAHASHI
  • Publication number: 20080296126
    Abstract: A product transport apparatus is provided that includes a transport section for transporting a product by oscillating; a driving section for applying oscillations to the transport section; a product supply section for storing products therein, the product supply section having an aperture for supplying the stored products to the transport section; and a supply stop section that can stop the supply of the products from the aperture by being brought close to the aperture, wherein, when the products are supplied from the product supply section to the transport section, the supply stop section moves away from the aperture and the supply stop section causes at least some of the products on the supply stop section to move toward the transport section by oscillating.
    Type: Application
    Filed: October 31, 2007
    Publication date: December 4, 2008
    Applicant: Sankyo Seisakusho Co.
    Inventors: Heizaburo Kato, Toshinao Kato
  • Patent number: 7451869
    Abstract: An article carrying apparatus is capable of carrying an article efficiently and correctly. The article carrying apparatus for carrying an article, includes: a housing; an input shaft rotatably supported by the housing; an output section supported by the housing in such a manner that the output section can oscillate and reciprocate; an article carry section that oscillates and reciprocates integrally with the output section; a first cam mechanism that moves in conjunction with the input shaft and oscillates the output section, wherein the first cam mechanism includes a first cam having a cam face that maintains a contact state with the output section during reciprocation of the output section, and a contact position at which the output section and the cam face contact one another moves in the same direction as a reciprocating direction in which the output section reciprocates; and a second cam mechanism that moves in conjunction with the input shaft and reciprocates the output section.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: November 18, 2008
    Assignee: Sankyo Seisakusho Co.
    Inventors: Heizaburo Kato, Toshinao Kato
  • Patent number: D780238
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: February 28, 2017
    Assignee: Techno Dynamics Inc.
    Inventor: Toshinao Kato
  • Patent number: D815166
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: April 10, 2018
    Assignee: Techno Dynamics Inc.
    Inventor: Toshinao Kato
  • Patent number: D993294
    Type: Grant
    Filed: April 17, 2021
    Date of Patent: July 25, 2023
    Assignee: TECHNO DYNAMICS, INC.
    Inventors: Toshinao Kato, Hiroki Yagi, Hironori Totsuka