Patents by Inventor Youichi Ito

Youichi Ito 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: 20240120867
    Abstract: A motor control method for transferring an object to be transferred by a moving object that moves by driving of a motor in a substrate processing apparatus, includes: a data acquisition process of acquiring, at different times, pieces of drive data which relate to the driving of the motor and vary with heat generation of the motor; and a transfer process of transferring the object to be transferred by controlling current to be supplied to the motor, based on each of the pieces of drive data, to compensate for displacement of the object to be transferred from a target transfer position due to the heat generation of the motor.
    Type: Application
    Filed: October 4, 2023
    Publication date: April 11, 2024
    Inventors: Youichi MASAKI, Mitsuteru YANO, Eiichi SEKIMOTO, Tsuyoshi OTSUKA, Akihiro TERAMOTO, Teppei ITO, Koji TAKAYANAGI
  • Patent number: 10357648
    Abstract: A treatment method includes an indwelling step of indwelling a medical appliance in a trachea T of a patient, the medical appliance having a plurality of types of metals disposed side by side on a side surface of a pipe body, and the medical appliance generates a current between adjacent metals out of the plurality of types of metals when in contact with a foreign substance or saliva having flown into the trachea.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: July 23, 2019
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Takeshi Dousono, Youichi Ito, Kikuko Yasuda, Takatsugu Yamaguchi
  • Patent number: 10299757
    Abstract: A first tube is a medical tube provided with a first portion, a second portion and a third portion in this order from the proximal end side toward the distal end side and is made of a resin. At the second portion, the outer diameter is smaller than the outer diameter of the first portion and the inner diameter is substantially equal to the inner diameter of the first portion. At the third portion, the outer diameter and the inner diameter are respectively smaller than the outer diameter and the inner diameter of the second portion. In this manner, a medical tube in which the outer diameter of the proximal end side is relatively large and the outer diameter of the distal end side is relatively small while securing the inner diameter having a sufficient size at the distal end side can be provided.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: May 28, 2019
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Yasunori Yamashita, Tooru Oota, Youichi Ito, Naoko Katou
  • Patent number: 10022518
    Abstract: A medical tube includes a first portion, a second portion, a third portion, and a fourth portion in this order from a proximal side to a distal side thereof. The first portion has a tubular resin layer, the second portion has a tubular inner layer and outer layer, the third portion as an inner layer and outer layer, and the fourth portion has a tubular resin layer. When flexural rigidity of the first portion, the second portion, the third portion, and the fourth portion is G1, G2, G3, and G4, respectively, the flexural rigidity of each portion being configured to have a relationship with each other portion based upon the following expression (1): G1>G2>G3>G4??(1).
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: July 17, 2018
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Yasunori Yamashita, Tooru Oota, Youichi Ito, Naoko Katou
  • Publication number: 20170224979
    Abstract: A treatment method includes an indwelling step of indwelling a medical appliance in a trachea T of a patient, the medical appliance having a plurality of types of metals disposed side by side on a side surface of a pipe body, and the medical appliance generates a current between adjacent metals out of the plurality of types of metals when in contact with a foreign substance or saliva having flown into the trachea.
    Type: Application
    Filed: February 6, 2017
    Publication date: August 10, 2017
    Inventors: Takeshi Dousono, Youichi ITO, Kikuko YASUDA, Takatsugu YAMAGUCHI
  • Publication number: 20140257111
    Abstract: A medical tube includes a first portion, a second portion, a third portion, and a fourth portion in this order from a proximal side to a distal side thereof. The first portion has a tubular resin layer, the second portion has a tubular inner layer and outer layer, the third portion as an inner layer and outer layer, and the fourth portion has a tubular resin layer.
    Type: Application
    Filed: May 21, 2014
    Publication date: September 11, 2014
    Applicant: TERUMO KABUSHIKI KAISHA
    Inventors: Yasunori YAMASHITA, Tooru OOTA, Youichi ITO, Naoko KATOU
  • Publication number: 20140073928
    Abstract: A first tube is a medical tube provided with a first portion, a second portion and a third portion in this order from the proximal end side toward the distal end side and is made of a resin. At the second portion, the outer diameter is smaller than the outer diameter of the first portion and the inner diameter is substantially equal to the inner diameter of the first portion. At the third portion, the outer diameter and the inner diameter are respectively smaller than the outer diameter and the inner diameter of the second portion. In this manner, a medical tube in which the outer diameter of the proximal end side is relatively large and the outer diameter of the distal end side is relatively small while securing the inner diameter having a sufficient size at the distal end side can be provided.
    Type: Application
    Filed: November 14, 2013
    Publication date: March 13, 2014
    Applicant: TERUMO KABUSHIKI KAISHA
    Inventors: Yasunori Yamashita, Tooru Oota, Youichi Ito, Naoko Katou
  • Patent number: 7443705
    Abstract: A power converting apparatus includes a rectifying circuit having a pair of AC power input terminals and a pair of rectified voltage output terminals; a reactor; and a charging and discharging circuit connected between the rectified voltage output terminals. The charging and discharging circuit includes a first condenser connected with one of the rectified voltage output terminals and one of the AC power input terminals; and a second condenser connected with the other of the rectified voltage output terminals and the one AC power input terminal. The reactor generates a resonance current together with the first condenser and the second condenser, and the second condenser discharges to zero voltage while the first condenser is charged.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: October 28, 2008
    Assignee: NEC Electronics Corporation
    Inventor: Youichi Ito
  • Publication number: 20070115704
    Abstract: A power converting apparatus includes a rectifying circuit having a pair of AC power input terminals and a pair of rectified voltage output terminals; a reactor; and a charging and discharging circuit connected between the rectified voltage output terminals. The charging and discharging circuit includes a first condenser connected with one of the rectified voltage output terminals and one of the AC power input terminals; and a second condenser connected with the other of the rectified voltage output terminals and the one AC power input terminal. The reactor generates a resonance current together with the first condenser and the second condenser, and the second condenser discharges to zero voltage while the first condenser is charged.
    Type: Application
    Filed: January 17, 2007
    Publication date: May 24, 2007
    Applicant: NEC ELECTRONICS CORPORATION
    Inventor: Youichi Ito
  • Publication number: 20060092678
    Abstract: A power converting apparatus includes a rectifying circuit having a pair of AC power input terminals and a pair of rectified voltage output terminals; a reactor; and a charging and discharging circuit connected between the rectified voltage output terminals. The charging and discharging circuit includes a first condenser connected with one of the rectified voltage output terminals and one of the AC power input terminals; and a second condenser connected with the other of the rectified voltage output terminals and the one AC power input terminal. The reactor generates a resonance current together with the first condenser and the second condenser, and the second condenser discharges to zero voltage while the first condenser is charged.
    Type: Application
    Filed: November 1, 2005
    Publication date: May 4, 2006
    Applicant: NEC ELECTRONICS CORPORATION
    Inventor: Youichi Ito
  • Patent number: 6899789
    Abstract: A method and system of holding a substrate to decrease foreign substances on the back surface thereof. The substrate holding system includes a ring-shaped leakage-proof surface having a smooth surface on the specimen table corresponding to the periphery of the substrate, contact holding portions within the periphery of the substrate, and electrostatic attraction means for fixing the substrate by contacting the back surface thereof to the ring-shaped leakage-proof surface and the contact holding portions. The substrate contacts a cooling surface at the ring-shaped leakage-proof surface and the contact holding portion placed on a position inside the ring-shaped leakage-proof surface. The back surface of the substrate and the cooling surface do not contact each other in the large portion of the remaining area.
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: May 31, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Naoyuki Tamura, Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone
  • Patent number: 6676805
    Abstract: A method and system of holding a substrate where foreign substances on the back surface can be decreased. The substrate holding system comprises a ring-shaped leakage-proof surface having a smooth surface on the specimen table corresponding to the periphery of the substrate, a plurality of contact holding portions within the periphery of the substrate, and electrostatic attraction means for fixing the substrate by contacting the back surface of the substrate to the ring-shaped leakage-proof surface and the contact holding portions. The substrate contacts to the cooling surface at the ring-shaped leakage-proof surface and the contact holding portion placed on a position inside the ring-shaped leakage-proof surface. The back surface of the substrate and the cooling surface do not contact to each other in the large portion of the remaining area.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: January 13, 2004
    Assignee: Hitachi, Ltd.
    Inventors: Naoyuki Tamura, Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone
  • Patent number: 6645871
    Abstract: A method and system of holding a substrate where foreign substances on the back surface can be decreased. The substrate holding system comprises a ring-shaped leakage-proof surface having a smooth surface on the specimen table corresponding to the periphery of the substrate, a plurality of contact holding portions within the periphery of the substrate, and electrostatic attraction means for fixing the substrate by contacting the back surface of the substrate to the ring-shaped leakage-proof surface and the contact holding portions. The substrate contacts to the cooling surface at the ring-shaped leakage-proof surface and the contact holding portion placed on a position inside the ring-shaped leakage-proof surface. The back surface of the substrate and the cooling surface do not contact to each other in the large portion of the remaining area.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: November 11, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Naoyuki Tamura, Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone
  • Publication number: 20030192647
    Abstract: Present invention provides a method of holding substrate and a substrate holding system where the amount of foreign substances on the back surface can be decreased, and a little amount of foreign substances may be transferred from a mounting table to a substrate. The substrate holding system comprises a ring-shaped leakage-proof surface having smooth surface on the specimen table corresponding to the periphery of the substrate, a plurality of contact holding portions against the substrate on the specimen table between the corresponding position to the periphery of the substrate and the corresponding position to the center of the substrate, and electrostatic ttraction means for fixing the substrate by contacting the back surface of the substrate to the ring-shaped leakage-proof surface and the contact holding portions. The substrate contacts to the cooling surface at the ring-shaped leakage-proof surface and the contact holding portion placed on a position inside the ring-shaped leakage-proof surface.
    Type: Application
    Filed: May 14, 2003
    Publication date: October 16, 2003
    Inventors: Naoyuki Tamura, Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone
  • Patent number: 6610171
    Abstract: A method and system of holding a substrate where foreign substances on the back surface can be decreased. The substrate holding system comprises a ring-shaped leakage-proof surface having a smooth surface on the specimen table corresponding to the periphery of the substrate, a plurality of contact holding portions within the periphery of the substrate, and electrostatic attraction means for fixing the substrate by contacting the back surface of the substrate to the ring-shaped leakage-proof surface and the contact holding portions. The substrate contacts to the cooling surface at the ring-shaped leakage-proof surface and the contact holding portion placed on a position inside the ring-shaped leakage-proof surface. The back surface of the substrate and the cooling surface do not contact to each other in the large portion of the remaining area.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: August 26, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Naoyuki Tamura, Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone
  • Patent number: 6610170
    Abstract: A method and system of holding a substrate where foreign substances on the back surface can be decreased. The substrate holding system comprises a ring-shaped leakage-proof surface having a smooth surface on the specimen table corresponding to the periphery of the substrate, a plurality of contact holding portions within the periphery of the substrate, and electrostatic attraction means for fixing the substrate by contacting the back surface of the substrate to the ring-shaped leakage-proof surface and the contact holding portions. The substrate contacts to the cooling surface at the ring-shaped leakage-proof surface and the contact holding portion placed on a position inside the ring-shaped leakage-proof surface. The back surface of the substrate and the cooling surface do not contact to each other in the large portion of the remaining area.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: August 26, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Naoyuki Tamura, Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone
  • Patent number: 6544379
    Abstract: A method and system of holding a substrate where foreign substances on the back surface can be decreased. The substrate holding system comprises a ring-shaped leakage-proof surface having a smooth surface on the specimen table corresponding to the periphery of the substrate, a plurality of contact holding portions within the periphery of the substrate, and electrostatic attraction means for fixing the substrate by contacting the back surface of the substrate to the ring-shaped leakage-proof surface and the contact holding portions. The substrate contacts to the cooling surface at the ring-shaped leakage-proof surface and the contact holding portion placed on a position inside the ring-shaped leakage-proof surface. The back surface of the substrate and the cooling surface do not contact to each other in the large portion of the remaining area.
    Type: Grant
    Filed: February 8, 2001
    Date of Patent: April 8, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Naoyuki Tamura, Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone
  • Patent number: 6524428
    Abstract: A method and system of holding a substrate where foreign substances on the back surface can be decreased. The substrate holding system comprises a ring-shaped leakage-proof surface having a smooth surface on the specimen table corresponding to the periphery of the substrate, a plurality of contact holding portions within the periphery of the substrate, and electrostatic attraction means for fixing the substrate by contacting the back surface of the substrate to the ring-shaped leakage-proof surface and the contact holding portions. The substrate contacts to the cooling surface at the ring-shaped leakage-proof surface and the contact holding portion placed on a position inside the ring-shaped leakage-proof surface. The back surface of the substrate and the cooling surface do not contact to each other in the large portion of the remaining area.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: February 25, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Naoyuki Tamura, Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone
  • Publication number: 20020170702
    Abstract: It is intended to extend life spans of devices as a whole by reducing differences of temperatures of devices which are mounted on a printed circuit board by plural number without increasing the volume of cooling gas. In the method of cooling multiple driver's ICs which are continuously mounted on a printed circuit board, the devices having heat sinks provided with multiple radiating fins disposed thereon in parallel with one another, each radiating fin is positioned relative to a blowing direction of cooling gas at a given inclination angle &thgr;.
    Type: Application
    Filed: May 10, 2002
    Publication date: November 21, 2002
    Applicant: ANDO ELECTRIC CO., LTD.
    Inventor: Youichi Ito
  • Publication number: 20020108574
    Abstract: A method and system of holding a substrate where foreign substances on the back surface can be decreased. The substrate holding system comprises a ring-shaped leakage-proof surface having a smooth surface on the specimen table corresponding to the periphery of the substrate, a plurality of contact holding portions within the periphery of the substrate, and electrostatic attraction means for fixing the substrate by contacting the back surface of the substrate to the ring-shaped leakage-proof surface and the contact holding portions. The substrate contacts to the cooling surface at the ring-shaped leakage-proof surface and the contact holding portion placed on a position inside the ring-shaped leakage-proof surface. The back surface of the substrate and the cooling surface do not contact to each other in the large portion of the remaining area.
    Type: Application
    Filed: March 28, 2002
    Publication date: August 15, 2002
    Inventors: Naoyuki Tamura, Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone