Patents by Inventor Tomokazu Ito

Tomokazu 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).

  • Patent number: 8423213
    Abstract: A vehicle control device for controlling a vehicle drive apparatus, the vehicle control device configured with a phase determining mechanism that determines the end of the torque phase in a shift operation, and a rotary electrical machine control mechanism that controls the torque of the rotary electrical machine using a variation of input torque. The vehicle control device is also configured with an engagement control mechanism that provides feedback controlling supplied oil pressure to an engagement side element as an engagement element on a side to be engaged after switching of shift speeds so that the rotation speed change rate of the input member becomes the target rotation speed change rate.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: April 16, 2013
    Assignee: Aisin AW Co., Ltd.
    Inventors: Kohei Tsuda, Yomei Hakumura, Masahiro Asai, Yoichi Tajima, Tomokazu Ito
  • Patent number: 8373954
    Abstract: A composite electronic device includes first and second magnetic substrates, and a functional layer sandwiched between these magnetic substrates, and the functional layer is configured by a common-mode filter layer and a ESD protection element layer. An electrostatic capacitance of the ESD protection elements is equal to or lower than 0.35 pF. The common-mode filter layer includes a first spiral conductor formed on an insulation layer, and a second spiral conductor formed on an insulation layer. DC resistance of a common mode filter is equal to or higher than 0.5? and equal to or lower than 5?, and an electrostatic capacitance of the ESD protection elements is equal to or lower than 0.35 pF. A width W and a length L of the first and second spiral conductors satisfy a relational equation expressed by ?(L/W)<(7.6651?fc)/0.1385.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: February 12, 2013
    Assignee: TDK Corporation
    Inventors: Tomokazu Ito, Yasuhiro Hirobe, Atsushi Hitomi, Yuji Terada, Kensaku Asakura, Takeshi Urano
  • Patent number: 8367368
    Abstract: A novel D-serine quantification method that can overcome various disadvantages of a conventional D-serine quantification method; a novel enzyme that can be used in the D-serine quantification method; a gene encoding the enzyme; and the like. Specifically, a novel D-serine dehydratase including (a) a protein having an amino acid sequence set forth in SEQ ID NO: 1 or (b) a protein having an amino acid sequence homologous to the amino acid sequence set forth in SEQ ID NO: 1 and having a D-serine dehydratase activity; and a D-serine quantification method including the steps of reacting a sample with the enzyme, quantifying ammonia or pyruvic acid produced by the reaction, and calculating the amount of D-serine in the sample based on a value produced by the quantification.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: February 5, 2013
    Assignee: National University Corporation Nagoya University
    Inventors: Tohru Yoshimura, Tomokazu Ito
  • Patent number: 8352109
    Abstract: A vehicle control device for controlling a vehicle drive apparatus, the vehicle control device configured with a release control mechanism that provides feedback controlling supplied oil pressure to a release side element, and an engagement control mechanism that increases supplied oil pressure to an engagement side element as an engagement element on a side to be engaged in a state that the differential rotation speed is substantially constant. The control device is further configured with a phase determining mechanism that determines if the torque phase has started when a condition that a phenomenon accompanying a change of the differential rotation speed due to increase of the supplied oil pressure to the engagement side element is detected is met.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: January 8, 2013
    Assignee: Aisin AW Co., Ltd.
    Inventors: Kohei Tsuda, Yomei Hakumura, Masahiro Asai, Yoichi Tajima, Tomokazu Ito
  • Patent number: 8320093
    Abstract: The present invention is provided with a composite electronic device comprising an inductor element and an ESD protection element formed between two magnetic substrates, wherein the inductor element includes insulation layers made of a resin, and spiral conductors formed on the insulation layers, the ESD protection element includes a base insulation layer, a pair of gap electrodes arranged via gap formed therebetween on the base insulation layer, and an ESD absorbing layer arranged at least between the gap electrodes, and the ESD absorbing layer includes a composite material having an insulation inorganic material and a conductive inorganic material discontinuously dispersed in a matrix of the insulation inorganic material. The gap of the ESD protection element is provided at exterior of the spiral conductor so as not to be overlapped with the spiral conductor in view of a laminating direction.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: November 27, 2012
    Assignee: TDK Corporation
    Inventors: Masao Asakawa, Tomokazu Ito, Sho Nakagomi, Atsushi Hitomi, Yasuhiro Hirobe, Kensaku Asakura
  • Publication number: 20120244520
    Abstract: A novel D-serine quantification method that can overcome various disadvantages of a conventional D-serine quantification method; a novel enzyme that can be used in the D-serine quantification method; a gene encoding the enzyme; and the like. Specifically, a novel D-serine dehydratase including (a) a protein having an amino acid sequence set forth in SEQ ID NO: 1 or (b) a protein having an amino acid sequence homologous to the amino acid sequence set forth in SEQ ID NO: 1 and having a D-serine dehydratase activity; and a D-serine quantification method including the steps of reacting a sample with the enzyme, quantifying ammonia or pyruvic acid produced by the reaction, and calculating the amount of D-serine in the sample based on a value produced by the quantification.
    Type: Application
    Filed: March 26, 2012
    Publication date: September 27, 2012
    Applicant: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
    Inventors: Tohru Yoshimura, Tomokazu Ito
  • Patent number: 8220410
    Abstract: A resin layer formation method, resin layer formation device, disk and disk manufacturing method for making a resin layer uniform on a substrate before lamination or on a substrate to be coated by a simple procedure are provided. Adhesive A is coated at the inner circumference side while rotating a substrate P at low speed, a first adhesive layer AL1 is formed on the surface of the substrate P by rotating the substrate P at high speed, a step difference section H is formed around a rotation center of the substrate P by irradiating ultraviolet on an area in the inner circumference side of the first adhesive layer AL1 and hardening the area, the adhesive A is coated at the rotation center side from the step difference section H on the substrate P, and a second adhesive layer AL2 is formed on the first adhesive layer AL1 by rotating the substrate P at high speed. The first adhesive layer AL1 and the second adhesive layer AL2 are integrated to form a uniform adhesive layer B as a whole.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: July 17, 2012
    Assignee: Shibaura Mechatronics Corporation
    Inventors: Tomokazu Ito, Hisashi Nishigaki, Tsukasa Kawakami, Haruka Narita, Yoji Takizawa, Takumi Hanada, Munenori Iwami
  • Publication number: 20120133472
    Abstract: An electronic component is provided with a substrate, a thin-film element layer provided on the substrate, first and second bump electrodes, provided on a surface of the thin-film element layer, and an insulator layer provided between the first bump electrode and the second bump electrode. The thin-film element layer contains a first spiral conductor which is a plane coil pattern. The first bump electrode is connected to an internal peripheral end of the first spiral conductor. The second bump electrode is connected to an external peripheral end of the first spiral conductor. Both of the first and second bump electrodes, have a first exposure surface exposed to a principal surface of the insulator layer and a second exposure surface exposed to an end face of the insulator layer.
    Type: Application
    Filed: November 11, 2011
    Publication date: May 31, 2012
    Inventors: Tomonaga NISHIKAWA, Makoto YOSHIDA, Tomokazu ITO, Hiroshi KAMIYAMA, Takeshi OKUMURA, Tsuneo KUWAHARA
  • Publication number: 20120112869
    Abstract: A coil component 100 is provided with a substrate 11, a thin-film coil layer 12 provided on the substrate 11, first and second bump electrodes 13a, 13b provided on a surface of the thin-film coil layer 12, a first lead conductor 20 provided on the surface of the thin-film coil layer 12 together with the first and second bump electrodes 13a, 13b and formed integrally with the first bump electrode 13a, and an insulator layer 14 provided between the first bump electrode 13a and the second bump electrode 13b. The thin-film coil layer 12 contains a first spiral conductor 16 which is a plane coil pattern. The first bump electrode 13a is connected to an internal peripheral end of the first spiral conductor 16 via the first lead conductor 20. The second bump electrode 13b is connected to an external peripheral end of the first spiral conductor 16.
    Type: Application
    Filed: November 10, 2011
    Publication date: May 10, 2012
    Inventors: Tomonaga Nishikawa, Makoto Yoshida, Tomokazu Ito, Hiroshi Kamiyama, Takeshi Okumura, Sho Nakagomi
  • Patent number: 8163335
    Abstract: A particle cluster for an aerosol deposition method, the particle cluster includes: an assembly packed with a plurality of fine particles including brittle material fine particles, the particle clusters having a spatula angle of 46.2° or less.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: April 24, 2012
    Assignee: Toto Ltd.
    Inventors: Tomokazu Ito, Hironori Hatono
  • Publication number: 20120076947
    Abstract: A resin layer formation method and device for making a resin layer uniform on a substrate before lamination or on a substrate is provided. Adhesive is coated at an inner circumference side while rotating a substrate at low speed. A first adhesive layer is formed on the surface of the substrate by rotating at high speed. A step difference section is formed around a rotation center of the substrate by irradiating ultraviolet on an area in the inner circumference side of the first adhesive layer to hardening the area. Adhesive is coated at the rotation center side from the step difference section on the substrate, and a second adhesive layer is formed on the first adhesive layer by rotating the substrate at high speed. The first adhesive layer and the second adhesive layer are integrated to form a uniform adhesive layer.
    Type: Application
    Filed: December 2, 2011
    Publication date: March 29, 2012
    Inventors: Tomokazu Ito, Hisashi Nishigaki, Tsukasa Kawakami, Haruka Narita, Yoji Takizawa, Takumi Hanada, Munenori Iwami
  • Publication number: 20120064237
    Abstract: There is disclosed a film forming method of spraying an aerosol jetted from a nozzle on a film formation object, while continuously changing a spraying position of the aerosol, to form a film which continuously covers an upper surface, an outer surface and a curved surface, which enables continuous formation of a high-quality film by a simple process. This film forming method includes a first film forming step of continuously spraying the aerosol on an upper surface W01 and a curved surface W03 connected to the upper surface W01, to continuously form a film which covers the upper surface W01 and a film which covers at least part of the curved surface W03; and a second film forming step of continuously forming a film which covers an outer surface W02 and a film which further covers the film formed on the curved surface W03 in the first film forming step.
    Type: Application
    Filed: September 13, 2011
    Publication date: March 15, 2012
    Applicant: TOTO LTD.
    Inventors: Yasutaka NITTA, Tomokazu ITO
  • Patent number: 8088438
    Abstract: A resin layer formation method, resin layer formation device, disk and disk manufacturing method for making a resin layer uniform on a substrate before lamination or on a substrate to be coated by a simple procedure are provided. Adhesive A is coated at the inner circumference side while rotating a substrate P at low speed, a first adhesive layer AL1 is formed on the surface of the substrate P by rotating the substrate P at high speed, a step difference section H is formed around a rotation center of the substrate P by irradiating ultraviolet on an area in the inner circumference side of the first adhesive layer AL1 and hardening the area, the adhesive A is coated at the rotation center side from the step difference section H on the substrate P, and a second adhesive layer AL2 is formed on the first adhesive layer AL1 by rotating the substrate P at high speed. The first adhesive layer AL1 and the second adhesive layer AL2 are integrated to form a uniform adhesive layer B as a whole.
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: January 3, 2012
    Assignee: Shibaura Mechatronics Corporation
    Inventors: Tomokazu Ito, Hisashi Nishigaki, Tsukasa Kawakami, Haruka Narita, Yoji Takizawa, Takumi Hanada, Munenori Iwami
  • Publication number: 20110291790
    Abstract: A coil component is provided with a magnetic substrate made of magnetic ceramic material, a thin-film coil layer containing a coil conductor formed on one principal surface of the magnetic substrate, a plurality of bump electrodes formed on the principal surface of the thin-film coil layer, and an insulating resin layer formed on the principal surface of the thin-film coil layer excluding formation positions of the bump electrodes. Each bump electrode has an exposure surface on a bottom surface and on two side surfaces of a layered product composed of the magnetic substrate, the thin-film coil layer and the insulating resin layer. A corner of the each bump electrode has a notch portion. The insulating resin layer includes a center resin portion provided in a center of the principal surface of the thin-film coil layer and a plurality of corner resin portions provided in the notch portion of each bump electrode.
    Type: Application
    Filed: May 31, 2011
    Publication date: December 1, 2011
    Inventors: Takeshi Okumura, Tomokazu Ito
  • Publication number: 20110238274
    Abstract: A shift control apparatus controlling a stepped transmission. The apparatus is configured with a gear ratio setting unit, and a shift speed change determining unit. A shift speed change predicting unit predicts in advance a change of shift speed by the shift speed change determining unit based on the set gear ratio, a rate of change in the set gear ratio, and an engagement preparation time which is a time needed for engagement preparation of the friction engagement element. A shift control unit controls a hydraulic actuator so that engagement preparation of a friction engagement element to be engaged is performed when a change of shift speed is predicted, and controls the hydraulic actuator so that a hydraulic pressure needed for engaging the friction engagement element is supplied to a hydraulic servo when a change of shift speed is determined by the shift speed change determining unit.
    Type: Application
    Filed: March 3, 2011
    Publication date: September 29, 2011
    Applicant: AISIN AW CO., LTD.
    Inventors: Kohei TSUDA, Yoichi TAJIMA, Tomokazu ITO
  • Patent number: 7993701
    Abstract: A composite structure forming method comprises the steps of first pre-treating brittle material fine particles to impart an internal strain to the brittle material fine particles, secondly causing the brittle material fine particles in which the internal strain has been created to collide with a substrate surface at high speed or applying a mechanical impact force to the brittle material fine particles containing the internal strain therein provided on the substrate surface, to deform or fracture the brittle material fine particles, re-joining the fine particles through active new surfaces generated by the deformation or fracture, forming an anchor section made of polycrystalline brittle material of which part bites into the substrate surface at a boundary section between the new surfaces and the substrate, and further forming a structure made of polycrystalline brittle material on the anchor section.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: August 9, 2011
    Assignees: Toto Ltd., National Institute of Advanced Industrial Science and Technology
    Inventors: Jun Akedo, Tomokazu Ito, Tatsuro Yokoyama, Katsuhiko Mori, Hironori Hatono, Masakatsu Kiyohara, Yuji Aso
  • Publication number: 20110106356
    Abstract: A vehicle control device for controlling a vehicle drive apparatus, the vehicle control device configured with a phase determining mechanism that determines the end of the torque phase in a shift operation, and a rotary electrical machine control mechanism that controls the torque of the rotary electrical machine using a variation of input torque. The vehicle control device is also configured with an engagement control mechanism that provides feedback controlling supplied oil pressure to an engagement side element as an engagement element on a side to be engaged after switching of shift speeds so that the rotation speed change rate of the input member becomes the target rotation speed change rate.
    Type: Application
    Filed: September 10, 2010
    Publication date: May 5, 2011
    Applicant: AISIN AW CO., LTD.
    Inventors: Kohei TSUDA, Yomei Hakumura, Masahiro Asai, Yoichi Tajima, Tomokazu Ito
  • Publication number: 20110106355
    Abstract: A vehicle control device for controlling a vehicle drive apparatus, the vehicle control device configured with a release control mechanism that provides feedback controlling supplied oil pressure to a release side element, and an engagement control mechanism that increases supplied oil pressure to an engagement side element as an engagement element on a side to be engaged in a state that the differential rotation speed is substantially constant. The control device is further configured with a phase determining mechanism that determines if the torque phase has started when a condition that a phenomenon accompanying a change of the differential rotation speed due to increase of the supplied oil pressure to the engagement side element is detected is met.
    Type: Application
    Filed: September 10, 2010
    Publication date: May 5, 2011
    Applicant: AISIN AW CO., LTD.
    Inventors: Kohei TSUDA, Yomei Hakumura, Masahiro Asai, Yoichi Tajima, Tomokazu Ito
  • Patent number: 7934931
    Abstract: An attachment structure is provided for attaching a stator member of a rotating connector to a bracket fitted into a steering column while being positioned. The bracket is provided with engaging recess grooves having first and second reference surfaces each orthogonal to each other, which are arranged along the axial direction of a steering shaft, and the stator member is provided with engaging protrusions respectively inserted into the corresponding engaging recess grooves. An elastic tongue piece for elastically urging the engaging protrusions on the first reference surface is formed in the engaging recess groove. Elastic tongue pieces for elastically urging the engaging protrusions on the second reference surfaces are formed on the engaging protrusions.
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: May 3, 2011
    Assignee: Alps Electronic Co., Ltd.
    Inventors: Nagao Kuroda, Tomokazu Ito
  • Patent number: 7905008
    Abstract: There is provided a method of manufacturing a coil component, where a first insulation layer is formed on a first magnetic substrate, an insulation film is formed on the first insulation layer, a coil conductor is formed on the insulation film, another insulation film is formed on the coil conductor, and an open region is formed on the inner circumference side and on the outer circumference side of the coil conductor. A magnetic later is embedded, at least partially, in the open region, and a second magnetic substrate is secured on the magnetic layer. Also, a plurality of electrode terminals are formed, where one of the electrode terminals is connected to a terminal portion of the coil conductor, and the electrode terminals are provided across sides of the first and second magnetic substrates. Therefore, the first insulation layer can suitably prevent shorting failures between the electrode terminals.
    Type: Grant
    Filed: October 24, 2006
    Date of Patent: March 15, 2011
    Assignee: TDK Corporation
    Inventors: Makoto Yoshida, Nobuyuki Okuzawa, Tomokazu Ito, Takashi Kudo, Makoto Otomo, Akira Sato