Patents by Inventor Kazuki Tanaka
Kazuki Tanaka 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).
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Publication number: 20230010598Abstract: A piezoelectric actuator includes a piezoelectric element having a longitudinal direction, a case including a lid portion, a bottom portion, and a tubular portion and housing the piezoelectric element inside, and a strain gauge positioned at the tubular portion. The tubular portion includes a plurality of bent portions in the longitudinal direction, each of the plurality of bent portions bending in response to extension and contraction of the piezoelectric element. The strain gauge is positioned at the bent portion.Type: ApplicationFiled: December 4, 2020Publication date: January 12, 2023Applicant: KYOCERA CorporationInventors: Satoshi TAKEUCHI, Kazuki TANAKA
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Publication number: 20220416787Abstract: A semiconductor relay device includes a conversion circuit configured to receive an input signal from outside and pass a first current to a first node based on the input signal. A zener diode has an anode coupled to a second node and a cathode coupled to the first node. A resistor is coupled between the second node and a third node. A number n of diodes are serially coupled. A thyristor has an anode coupled to the first node, a cathode coupled to the second node, and a control terminal coupled to the third node. A transistor has a gate coupled to the first node. An anode of a diode at a first end of the n diodes is coupled to the first node, and a cathode of a diode at a second end of the n diodes is coupled to a third node.Type: ApplicationFiled: September 2, 2022Publication date: December 29, 2022Inventors: Naoya TAKAI, Yukihiro TAKIFUJI, Keita SAITO, Kazuki TANAKA
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Patent number: 11476850Abstract: A semiconductor relay device includes a conversion circuit configured to receive an input signal from outside and pass a first current to a first node based on the input signal. A zener diode has an anode coupled to a second node and a cathode coupled to the first node. A resistor is coupled between the second node and a third node. A number n of diodes are serially coupled. A thyristor has an anode coupled to the first node, a cathode coupled to the second node, and a control terminal coupled to the third node. A transistor has a gate coupled to the first node. An anode of a diode at a first end of the n diodes is coupled to the first node, and a cathode of a diode at a second end of the n diodes is coupled to a third node.Type: GrantFiled: September 13, 2021Date of Patent: October 18, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventors: Naoya Takai, Yukihiro Takifuji, Keita Saito, Kazuki Tanaka
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Patent number: 11462525Abstract: An optical coupling device includes a light receiving element provided with a first output terminal and a second output terminal, a light emitting element provided on the light receiving element, a first switching element, a first electrode plate, and a sealing member. The first switching element is provided side by side on the light receiving element. A first main terminal and a control terminal are provided on an upper surface of the first switching element. A second main terminal is provided on a lower surface of the first switching element. The first main terminal is connected to the first output terminal. The control terminal is connected to the second output terminal. An upper surface of the first electrode plate is connected to the second main terminal. The sealing member covers the light receiving element, the light emitting element, and the first switching element.Type: GrantFiled: September 8, 2020Date of Patent: October 4, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventors: Mami Fujihara, Naoya Takai, Kazuki Tanaka, Takenori Yasuzumi, Yoshio Noguchi, Tsuyoshi Tokiwa
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Publication number: 20220311436Abstract: A semiconductor relay device includes a conversion circuit configured to receive an input signal from outside and pass a first current to a first node based on the input signal. A zener diode has an anode coupled to a second node and a cathode coupled to the first node. A resistor is coupled between the second node and a third node. A number n of diodes are serially coupled. A thyristor has an anode coupled to the first node, a cathode coupled to the second node, and a control terminal coupled to the third node. A transistor has a gate coupled to the first node. An anode of a diode at a first end of the n diodes is coupled to the first node, and a cathode of a diode at a second end of the n diodes is coupled to a third node.Type: ApplicationFiled: September 13, 2021Publication date: September 29, 2022Inventors: Naoya Takai, Yukihiro Takifuji, Keita Saito, Kazuki Tanaka
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Patent number: 11433413Abstract: A paint system includes a paint unit having a first paint robot and a second paint robot. The first paint robot includes a first robot base and a first robot arm operably mounted on the first robot base. The second paint robot includes a second robot base and a second robot arm operably mounted on the second robot base. When a virtual plane extending in a vertical direction and along a direction of relative movement between an object to be painted and the paint unit is defined as a reference plane, a distance between the first robot base and the reference plane is set to be shorter than a distance between the second robot base and the reference plane. A passage range allowing passage of the second robot arm is provided under the first robot base.Type: GrantFiled: April 8, 2021Date of Patent: September 6, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinji Tani, Akira Numasato, Kazuki Tanaka, Takufumi Kimura
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Publication number: 20220274121Abstract: An electrostatic coating handgun sprays electrically charged atomized paint onto an object to be coated. The electrostatic coating handgun includes: a rotating head; a motor that applies rotational power to the rotating head; a high voltage generator that applies a voltage to the paint; a housing supporting the rotating head with a tip end of the rotating head being exposed, and housing the motor and the high voltage generator; and a grip portion to be held by an operator. When a current value discharged from the rotating head increases due to movement of the rotating head caused by an operation by the operator, a voltage control device reduces an output voltage of the high voltage generator and a motor control device reduces a rotational speed of the motor.Type: ApplicationFiled: January 10, 2022Publication date: September 1, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuki TANAKA, Shinji TANI
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Publication number: 20220274122Abstract: An electrostatic coating handgun configured to spray electrically charged atomized paint onto a workpiece. The electrostatic coating handgun includes: a body portion extending in a longitudinal direction, the longitudinal direction being the same direction as a spraying direction; a grip portion to be held by an operator, the grip portion extending downward from a rear part of the body portion; a rotating head configured to emit the paint, the rotating head being rotatably supported by a front end of the body portion; an air motor configured to apply rotational power to the rotating head, the air motor being located behind the rotating head in the body portion; and a high voltage generator configured to apply a voltage to the paint to be emitted from the rotating head. The air motor is located forward of the grip portion, whereas the high voltage generator is located above the grip portion.Type: ApplicationFiled: January 25, 2022Publication date: September 1, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuki TANAKA, Shinji TANI
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Publication number: 20220227531Abstract: The present disclosure provides a ?-diketone storage container including: a metal storage container to which a liquid ?-diketone is charged, the metal being an aluminum material; and an inorganic film on an inner surface of the storage container, the inorganic film containing at least one material selected from the group consisting of silicon dioxide, silicon carbonitride, silicon carbide, silicon nitride, diamond, and diamond-like carbon.Type: ApplicationFiled: April 22, 2020Publication date: July 21, 2022Inventors: Kenta WATANABE, Takashi MASUDA, Kazuki TANAKA
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Publication number: 20220166517Abstract: An optical transmitter configured to transmit an optical signal to a photodiode includes: an angle modulator configured to perform angle modulation with respect to a transmission signal; and an optical tone signal generator configured to generate an optical tone signal, and the optical transmitter transmits an optical signal that includes a single sideband signal corresponding to an angle modulated transmission electrical signal and the optical tone signal that is disposed on a higher frequency side or a lower frequency side of a frequency band of the single sideband signal.Type: ApplicationFiled: February 7, 2022Publication date: May 26, 2022Applicant: KDDI CORPORATIONInventors: Shota ISHIMURA, Hsuan-Yun KAO, Kazuki TANAKA, Kosuke NISHIMURA, Masatoshi SUZUKI
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Publication number: 20220008947Abstract: A painting system includes painting unit including a first painting robot and a second painting robot, a cartridge carrier, and a cleaning tank. The painting robots each include a robot arm including a painting machine. The cartridge carrier includes a cartridge grip part. A first region is a region where a movable region of the painting machine of the first painting robot overlaps with a movable region of the cartridge grip part. A second region is a region where the movable region of the painting machine of the second painting robot overlaps with the movable region of the cartridge grip part. The cleaning tank is provided in a position including at least a part of the first region and at least a part of the second region.Type: ApplicationFiled: July 6, 2021Publication date: January 13, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinji TANI, Akira Numasato, Kazuki Tanaka, Takufumi Kimura
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Publication number: 20220001411Abstract: A coating apparatus includes a first module and a second module constituting a coating area where a coating target is coated. The first module includes a first frame and a coating robot. The second module includes a second frame. When the first module and the second module are arranged to adjoin each other in a movement path direction in which the coating target relatively moves along the coating area, the first frame of the first module and the second frame of the second module that are arranged to adjoin each other are configured to be coupled together.Type: ApplicationFiled: June 24, 2021Publication date: January 6, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinji TANI, Akira NUMASATO, Kazuki TANAKA, Takufumi KIMURA
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Patent number: 11213839Abstract: A coating device includes a rotary head, a power supply part that applies a voltage to the rotary head, and a control part that controls the power supply part. The rotary head is configured so that a coating material is electrostatically atomized. The control part is configured so as to calculate a discharge current based on a total current flowing from the power supply part to the rotary head and a leak current, and control the power supply part based on the discharge current.Type: GrantFiled: August 23, 2019Date of Patent: January 4, 2022Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, Trinity Industrial Corporation, Ransburg Industrial Finishing K.K.Inventors: Shinji Tani, Akira Numasato, Kazuki Tanaka, Takahito Kondo, Yuki Murai, Yuki Hirai, Atsushi Tomita, Kenji Okamoto, Naohiro Masuda
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Publication number: 20210370332Abstract: A paint system includes a paint unit having a first paint robot and a second paint robot. The first paint robot includes a first robot base and a first robot arm operably mounted on the first robot base. The second paint robot includes a second robot base and a second robot arm operably mounted on the second robot base. When a virtual plane extending in a vertical direction and along a direction of relative movement between an object to be painted and the paint unit is defined as a reference plane, a distance between the first robot base and the reference plane is set to be shorter than a distance between the second robot base and the reference plane. A passage range allowing passage of the second robot arm is provided under the first robot base.Type: ApplicationFiled: April 8, 2021Publication date: December 2, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinji TANI, Akira NUMASATO, Kazuki TANAKA, Takufumi KIMURA
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Publication number: 20210247567Abstract: An optical coupling device includes a light receiving element including a first output terminal and a second output terminal, a light emitting element provided on the light receiving element, a first switching element, a first electrode plate, and a sealing member. The first switching element includes a first main terminal connected to the first output terminal, a first control terminal connected to the second output terminal, and a second main terminal. An upper surface of the first electrode plate is connected to the second main terminal. The sealing member covers the light receiving element, the light emitting element, and the first switching element. A lower surface of the first electrode plate is exposed on a lower surface of the sealing member. The lower surface of the first electrode plate and the lower surface of the sealing member form the same plane.Type: ApplicationFiled: September 9, 2020Publication date: August 12, 2021Inventors: Mami Fujihara, Naoya Takai, Kazuki Tanaka
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Publication number: 20210249391Abstract: An optical coupling device includes a light receiving element provided with a first output terminal and a second output terminal, a light emitting element provided on the light receiving element, a first switching element, a first electrode plate, and a sealing member. The first switching element is provided side by side on the light receiving element. A first main terminal and a control terminal are provided on an upper surface of the first switching element. A second main terminal is provided on a lower surface of the first switching element. The first main terminal is connected to the first output terminal. The control terminal is connected to the second output terminal. An upper surface of the first electrode plate is connected to the second main terminal. The sealing member covers the light receiving element, the light emitting element, and the first switching element.Type: ApplicationFiled: September 8, 2020Publication date: August 12, 2021Inventors: Mami Fujihara, Naoya Takai, Kazuki Tanaka, Takenori Yasuzumi, Yoshio Noguchi, Tsuyoshi Tokiwa
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Publication number: 20210101171Abstract: A coating booth includes a coating chamber in which coating is performed on a coated object by a coating device, a supply air chamber placed above the coating chamber, and a recovery chamber placed below the coating chamber. The coating booth is configured such that: air directed from the supply air chamber toward the recovery chamber flows through a predetermined region inside the coating chamber, the predetermined region including a passage region for the coated object; and the air directed from the supply air chamber toward the recovery chamber does not flow through a predetermined-region outside region inside the coating chamber.Type: ApplicationFiled: June 29, 2020Publication date: April 8, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akira NUMASATO, Shinji TANI, Kazuki TANAKA, Takufumi KIMURA
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Publication number: 20210094058Abstract: A plurality of painting zones is connected in series by a plurality of air exhaust ducts so as to allow air to flow through the painting zones. A paint mist in air having passed through a painting chamber of each painting zone is removed by a dry filter. Feedback control is performed on the temperature and the humidity of air in a second painting zone other than a third painting zone to which conditioned air from an air conditioner is supplied. Thus, it is possible to appropriately adjust the temperature and the humidity of each painting zone and avoid degradation of painting quality in each painting zone, while achieving downsizing of the entire system by not providing a recycling air conditioner on the route of an air flow passage.Type: ApplicationFiled: June 18, 2020Publication date: April 1, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keiichi FUJIWARA, Shinji Tani, Akira Numasato, Kazuki Tanaka
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Publication number: 20200189396Abstract: A collector shoe is provided. The collector shoe in one aspect of the present disclosure includes a shoe body, a sliding plate disposed on a top surface of the shoe body, and an electrically conductive member disposed on a front and/or rear side surface of the shoe body.Type: ApplicationFiled: August 2, 2016Publication date: June 18, 2020Applicant: Central Japan Railway CompanyInventors: Kei SAKANOUE, Isao NARUSE, Kotaro NAKAMURA, Kazuki TANAKA
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Patent number: D947090Type: GrantFiled: April 23, 2020Date of Patent: March 29, 2022Inventors: William Luther Chergosky, Yuka Kanazawa, Kazuki Tanaka