Patents by Inventor Yuichiro Tanaka
Yuichiro 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: 20190334073Abstract: A thermoelectric power generation device including: a heating unit having a heat medium passage in which a heat medium flows, a cooling unit having a cooling liquid passage in which a cooling liquid flows, a thermoelectric element having the heating unit on one side and the cooling unit on another side, the thermoelectric element configured to generate power by utilizing a temperature difference between a condensation temperature of the heat medium that undergoes latent heat transfer in the heat medium passage and a temperature of the cooling liquid; and the thermoelectric power generation device further including a heat medium adjusting unit configured to adjust the pressure or the temperature of the heat medium.Type: ApplicationFiled: September 27, 2017Publication date: October 31, 2019Applicant: Yanmar Co., Ltd.Inventors: Yoshika HATASAKO, Jiro FUKUDOME, Yuichiro TANAKA, Shuichi NAKAGAWA
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Publication number: 20190331425Abstract: A thermoelectric power generation system including a plurality of thermoelectric power generation devices. Each of the thermoelectric power generation devices includes: a heating unit having a heat medium passage in which a heat medium flows; a cooling unit having a cooling liquid passage in which a cooling liquid flows; a thermoelectric element having the heating unit and the cooling unit so as to generate power by utilizing a temperature difference between a condensation temperature of the heat medium and a temperature of the cooling liquid; and a heat transfer pipe communicated with the heat medium passage to form a circulation path in which the heat medium circulates. The heat transfer pipes of the respective thermoelectric power generation devices are arranged in a single flow path in which a high temperature fluid flows. The heat medium passages of the thermoelectric power generation devices are structured to communicate with each other.Type: ApplicationFiled: September 27, 2017Publication date: October 31, 2019Applicant: Yanmar Co., Ltd.Inventors: Yoshika HATASAKO, Jiro FUKUDOME, Yuichiro TANAKA, Shuichi NAKAGAWA
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Patent number: 10437183Abstract: A fixing device includes a fixing member, a pressure member, and a separating unit. The pressure member is rotatably located and in a pressure contact with the fixing member to form a fixing nip. The separating unit is configured to separate a sheet from the fixing member. The sheet is attached on the fixing member when passing through the fixing nip. The separating unit includes a sliding member, a claw member, and a turning mechanism. The sliding member is located in a state of contacting a surface of the fixing member. The claw member runs toward the fixing nip from the sliding member. The claw member has a distal end portion. The claw member is located in a state where the distal end portion contacts the surface of the fixing member. The turning mechanism reciprocates the sliding member and the claw member along a rotation direction of the fixing member.Type: GrantFiled: September 3, 2018Date of Patent: October 8, 2019Assignee: Kyocera Document Solutions Inc.Inventor: Yuichiro Tanaka
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Patent number: 10390403Abstract: In order that a power supply device capable of identifying the type of a connected LED light output device and outputting voltage or current suitable therefor completely eliminates the need to provide an additional circuit for the type identification on the LED light output device side and requires only a power supply cable for the connection, in an unconnected state with the LED light output device, electrical continuity between a second terminal to be connected to the cathode of an LED and a ground is cut, and when a transition from the unconnected state to a connected state is made, the voltage of the second terminal is measured to, on the basis of the measured voltage, identify the type of the connected LED light output device with the electrical continuity between the second terminal and the ground kept cut.Type: GrantFiled: January 25, 2017Date of Patent: August 20, 2019Assignee: CCS INC.Inventor: Yuichiro Tanaka
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Patent number: 10340081Abstract: A ceramic capacitor which is low in ESL and suitable for being built into a substrate includes a first external electrode, a second external electrode and a third external electrode. Each of the first, second and third external electrodes include a sputtering electrode film. Each of the outermost layers of the first, second and third external electrodes contains Cu.Type: GrantFiled: May 30, 2017Date of Patent: July 2, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Yuichiro Tanaka
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Publication number: 20190045597Abstract: In order that a power supply device capable of identifying the type of a connected LED light output device and outputting voltage or current suitable therefor completely eliminates the need to provide an additional circuit for the type identification on the LED light output device side and requires only a power supply cable for the connection, in an unconnected state with the LED light output device, electrical continuity between a second terminal to be connected to the cathode of an LED and a ground is cut, and when a transition from the unconnected state to a connected state is made, the voltage of the second terminal is measured to, on the basis of the measured voltage, identify the type of the connected LED light output device with the electrical continuity between the second terminal and the ground kept cut.Type: ApplicationFiled: January 25, 2017Publication date: February 7, 2019Inventor: Yuichiro Tanaka
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Patent number: 10173594Abstract: A step of an industrial vehicle according to the present invention includes: an upper footboard fixed to a side surface of the industrial vehicle; a turning mechanism provided at a rear side of the upper footboard; a front suspension member extending downward from a front portion of the upper footboard and having elasticity; a rear suspension member extending downward from the turning mechanism and having elasticity; and a lower footboard held by the front suspension member and the rear suspension member, wherein: an upper portion of the front suspension member is fixed to the front portion of the upper footboard so as to be non-turnable; a lower portion of the front suspension member is fixed to a front portion of the lower footboard so as to be non-turnable; a lower portion of the rear suspension member is fixed to a rear portion of the lower footboard so as to be non-turnable; and an upper portion of the rear suspension member is coupled to a rear portion of the upper footboard through the turning mechanisType: GrantFiled: May 22, 2015Date of Patent: January 8, 2019Assignee: KCM CorporationInventors: Yuichiro Tanaka, Takatomo Ohno
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Publication number: 20180369463Abstract: A breast pump according to the present invention includes a variable pressure generating unit, the variable pressure generating unit including a power driving unit including a stepping motor that is capable of rotating both normally and in reverse, and a negative pressure forming unit that creates a negative pressure state periodically by causing an elastic body to deform in accordance with a cycle period formed by the power driving unit, wherein the negative pressure forming unit is coupled to the expressing unit, and the stepping motor is capable of modifying an amplitude of the cycle period and the cycle period during negative pressure formation as desired. Hence, a suction pressure and a pressure increase/decrease cycle can both be set as desired, and moreover, a breast pump that uses electric power can be constructed compactly.Type: ApplicationFiled: November 11, 2016Publication date: December 27, 2018Inventor: Yuichiro TANAKA
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Patent number: 10165651Abstract: In an LED illumination system including a power supply device having a function of adjusting an amount of a supply current and an LED illumination device connected to the power supply device, the LED illumination device includes: an LED circuit; a bypass circuit; and a distribution circuit that distributes a current supplied from the power supply device at a predetermined fixed ratio regardless of a current value and supplies one part thereof to the LED circuit and the other part thereof to the bypass circuit.Type: GrantFiled: July 26, 2016Date of Patent: December 25, 2018Assignee: CCS Inc.Inventor: Yuichiro Tanaka
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Patent number: 10099877Abstract: A sheet feed conveyance device includes a warning section, a pickup roller that feeds a sheet, a separation section, a speed sensor that detects a conveyance speed of the sheet, and a controller. The separation section includes a feed roller that feeds downstream the sheet fed by the pickup roller and a retard roller that returns a sheet involved in multiple sheet feeding toward the pickup roller. The controller recognizes the conveyance speed based on output of the speed sensor, integrate conveyance speeds detected in a measurement time period from rotation start of the pickup roller to elapse of a specific time period, and determines necessity for maintenance of the pickup roller according to a measurement distance as a result of integration.Type: GrantFiled: October 17, 2017Date of Patent: October 16, 2018Assignee: KYOCERA Document Solutions Inc.Inventor: Yuichiro Tanaka
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Publication number: 20180206307Abstract: In an LED illumination system including a power supply device having a function of adjusting an amount of a supply current and an LED illumination device connected to the power supply device, the LED illumination device includes: an LED circuit; a bypass circuit; and a distribution circuit that distributes a current supplied from the power supply device at a predetermined fixed ratio regardless of a current value and supplies one part thereof to the LED circuit and the other part thereof to the bypass circuit.Type: ApplicationFiled: July 26, 2016Publication date: July 19, 2018Inventor: Yuichiro Tanaka
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Publication number: 20180167090Abstract: It is possible to utilize a system with a long response time using electricity generated by each generator of each communication unit. Communication units 20 and 30 include generators 21 and 31 for generating electricity utilizing a predetermined action included in a series of actions, and wireless communication circuits 24 and 34 operated by electricity supplied from the generators, respectively. The generator 21 generates electricity utilizing a certain action included in the series of actions, and the wireless communication circuit 24 transmits a signal to an external service server 70 when the certain action is done and the generator 21 generates electricity. The generator 31 generates electricity utilizing another action which is performed later in the series of actions, the wireless communication circuit 34 transmits a signal to the external service server 70 when that action is done and the generator 31 generates electricity.Type: ApplicationFiled: October 29, 2017Publication date: June 14, 2018Inventors: Koichi ISHIMI, Yuichiro TANAKA
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Patent number: 9985491Abstract: Stator coils each consist of a plurality of rectangular conductor coil pieces, the adjacent connection ends of which are connected to each other on the outer diameter side of a stator. The coil pieces each have: a folded portion folded in a rotation axis direction on the inner diameter side of the stator; inner diameter-side open leg portions opened from both sides of the folded portion toward the circumferential directions of the rotation axis; linear portions each bent from each of the inner diameter-side open leg portions and disposed so as to pass through the stator from the inner diameter side to the outer diameter side; and an outer diameter-side open leg portions opened from the linear portions toward the circumferential directions of the rotation axis and extending to the connection ends.Type: GrantFiled: December 3, 2014Date of Patent: May 29, 2018Assignee: Hitachi, Ltd.Inventors: Yuichiro Tanaka, Koichi Watanabe, Satoshi Kikuchi, Akihito Nakahara, Kenta Deguchi
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Publication number: 20180126912Abstract: A step of an industrial vehicle according to the present invention includes: an upper footboard fixed to a side surface of the industrial vehicle; a turning mechanism provided at a rear side of the upper footboard; a front suspension member extending downward from a front portion of the upper footboard and having elasticity; a rear suspension member extending downward from the turning mechanism and having elasticity; and a lower footboard held by the front suspension member and the rear suspension member, wherein: an upper portion of the front suspension member is fixed to the front portion of the upper footboard so as to be non-turnable; a lower portion of the front suspension member is fixed to a front portion of the lower footboard so as to be non-turnable; a lower portion of the rear suspension member is fixed to a rear portion of the lower footboard so as to be non-turnable; and an upper portion of the rear suspension member is coupled to a rear portion of the upper footboard through the turning mechanisType: ApplicationFiled: May 22, 2015Publication date: May 10, 2018Inventors: Yuichiro TANAKA, Takatomo OHNO
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Patent number: 9967934Abstract: In order to provide a lighting control power supply that makes it possible to reduce the number of inputs required for a user when setting each of control parameters, and achieves an intuitive transition between setting input screens of each of control setting items in a plurality of lighting devices, it is configured to, when an input in a first direction is given to an input device, cause a display device to display a setting input screen related to a controller being different than before the input, and it is configured to, when an input in a second direction is given to the input device, cause the display device to display a setting input screen related to the control setting item being different than before the input.Type: GrantFiled: March 25, 2015Date of Patent: May 8, 2018Assignee: CCS Inc.Inventors: Kento Kubo, Eiji Itou, Yuichiro Tanaka
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Publication number: 20180118487Abstract: A sheet feed conveyance device includes a warning section, a pickup roller that feeds a sheet, a separation section, a speed sensor that detects a conveyance speed of the sheet, and a controller. The separation section includes a feed roller that feeds downstream the sheet fed by the pickup roller and a retard roller that returns a sheet involved in multiple sheet feeding toward the pickup roller. The controller recognizes the conveyance speed based on output of the speed sensor, integrate conveyance speeds detected in a measurement time period from rotation start of the pickup roller to elapse of a specific time period, and determines necessity for maintenance of the pickup roller according to a measurement distance as a result of integration.Type: ApplicationFiled: October 17, 2017Publication date: May 3, 2018Applicant: KYOCERA Document Solutions Inc.Inventor: Yuichiro TANAKA
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Patent number: 9961733Abstract: Provided is a power supply device capable of preventing a drop in the voltage supplied to another machine that is connected aside from LED lighting devices, and continues driving the other machine. This power supply device is equipped with a plurality of LED drive circuits provided in parallel, corresponding respectively to a plurality of LED lighting instruments to drive each of the LED lighting instruments in a predetermined light-emission mode. The plurality of LED drive circuits and the other machine are connected to a DC supply unit having such constitution that a direct current power supply voltage is converted into a predetermined direct current voltage and supplied thereby. The power supply device is further provided with a constant current circuit whereof the input side is connected to the DC supply unit and the other machine, and the output side is connected to the plurality of LED drive circuits.Type: GrantFiled: March 25, 2015Date of Patent: May 1, 2018Assignee: CCS Inc.Inventors: Sho Nakano, Yuichiro Tanaka
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Patent number: 9856100Abstract: A sheet guiding mechanism includes a pair of first rotators and a pair of second rotators provided in a conveying path for a sheet material, a first sheet guide portion, a second sheet guide portion, a shaft member, and a plurality of guide rollers. The first sheet guide portion and the second sheet guide portion form guide surfaces for the sheet material on both sides of the conveying path. Both end portions of the shaft member extending along a width direction are supported by the second sheet guide portion. The guide rollers are in contact with the sheet material conveyed in the conveying path, and rotate to follow the sheet material. The shaft member is bent by a pressure applied from the sheet material to the guide rollers when a tension is applied to the sheet material between the pair of first rotators and the pair of second rotators.Type: GrantFiled: September 13, 2016Date of Patent: January 2, 2018Assignee: KYOCERA Document Solutions Inc.Inventors: Yuichiro Tanaka, Yuya Shimohora
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Publication number: 20170345566Abstract: A ceramic capacitor which is low in ESL and suitable for being built into a substrate includes a first external electrode, a second external electrode and a third external electrode. Each of the first, second and third external electrodes include a sputtering electrode film. Each of the outermost layers of the first, second and third external electrodes contains Cu.Type: ApplicationFiled: May 30, 2017Publication date: November 30, 2017Inventor: Yuichiro TANAKA
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Publication number: 20170111967Abstract: Provided is a power supply device capable of preventing a drop in the voltage supplied to another machine that is connected aside from LED lighting devices, and continues driving the other machine. This power supply device is equipped with a plurality of LED drive circuits provided in parallel, corresponding respectively to a plurality of LED lighting instruments to drive each of the LED lighting instruments in a predetermined light-emission mode. The plurality of LED drive circuits and the other machine are connected to a DC supply unit having such constitution that a direct current power supply voltage is converted into a predetermined direct current voltage and supplied thereby. The power supply device is further provided with a constant current circuit whereof the input side is connected to the DC supply unit and the other machine, and the output side is connected to the plurality of LED drive circuits.Type: ApplicationFiled: March 25, 2015Publication date: April 20, 2017Inventors: Sho Nakano, Yuichiro Tanaka