Patents by Inventor Yoichiro Tabata
Yoichiro Tabata 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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Patent number: 9848484Abstract: A power supply apparatus includes a controller that performs the following action. The controller determines a target direct-current electric amount value in accordance with an external input. Then, the controller performs feedback control in such a manner that an amount of direct-current electric power input to an inverter reaches the target direct-current electric amount value.Type: GrantFiled: October 4, 2013Date of Patent: December 19, 2017Assignee: Toshiba Misubishi-Electric Industrial Systems CorporationInventors: Yoichiro Tabata, Yujiro Okihara, Noriyuki Nakamura, Shinichi Nishimura
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Publication number: 20170275758Abstract: The present invention provides a gas jetting apparatus for a film formation apparatus. The gas jetting apparatus is capable of uniformly jetting, even onto a treatment-target object having a high-aspect-ratio groove, a gas into the groove. The gas jetting apparatus (100) according to the present invention includes a gas jetting cell unit (23) for rectifying a gas and jetting the rectified gas into the film formation apparatus (200). The gas jetting cell unit (23) has a fan shape internally formed with a gap (d0) serving as a gas route. A gas in a gas dispersion supply unit (99) enters from a wider-width side of the fan shape into the gap (d0), and, due to the fan shape, the gas is rectified, accelerated, and output from a narrower-width side of the fan shape into the film formation apparatus (200).Type: ApplicationFiled: October 29, 2014Publication date: September 28, 2017Applicant: Toshiba Mitsubishi-Electric Industrial Systems CorporationInventors: Yoichiro TABATA, Kensuke WATANABE, Shinichi NISHIMURA
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Publication number: 20170267525Abstract: In an ozone generation apparatus, a discharge cell includes a first electrode part, a second electrode part, and a dielectric partition plate. The first electrode part and the second electrode part face each other, and the dielectric partition plate is provided between the first and second electrode parts.Type: ApplicationFiled: October 29, 2014Publication date: September 21, 2017Applicant: Toshiba Mitsubishi-Electric Industrial Systems CorporationInventors: Yoichiro TABATA, Yujiro OKIHARA, Shinichi NISHIMURA
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Patent number: 9750121Abstract: A power supply apparatus outputs an alternating-current voltage to a plasma generator being a capacitive load and the power supply apparatus has a configuration that a transformer included in the power supply apparatus has a secondary-side magnetizing inductance more than five times as great as a leakage inductance.Type: GrantFiled: October 4, 2013Date of Patent: August 29, 2017Assignee: Toshiba Mitsubishi-Electric Industrial Systems CorporationInventors: Yoichiro Tabata, Yujiro Okihara, Noriyuki Nakamura, Shinichi Nishimura
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Publication number: 20170241021Abstract: An electric discharge generator and power supply device of electric discharge generator includes a radical gas generation apparatus, a process chamber apparatus, and an n-phase inverter power supply device. The radical gas generation apparatus is located adjacent to the process chamber apparatus. The radical gas generation apparatus includes a plurality of (n) discharge cells. The n-phase inverter power supply device includes a power supply circuit configuration offering a means to control output of n-phase alternating current voltages and variably controls, according to positions of the plurality of discharge cells, the alternating current voltages of different phases.Type: ApplicationFiled: October 29, 2014Publication date: August 24, 2017Applicant: Toshiba Mitsubishi-Electric Industrial Systems CorporationInventors: Yoichiro TABATA, Kensuke WATANABE, Shinichi NISHIMURA
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Patent number: 9713244Abstract: A power supply apparatus includes a controller that performs the following action and resonance means for creating a resonance state between the power supply apparatus and a plasma generator. That is, the controller changes, when a value of electric power input equal to 100% (or a value of electric power input equal to or more than a threshold % and equal to or less than 100%) of a rated power is instructed, an inverter frequency and obtains an inverter output power factor for each of a plurality of inverter frequencies. Then, the controller determines, as a driving frequency of the inverter, one of the plurality of inverter frequencies at which the inverter output power factor is maximized.Type: GrantFiled: October 4, 2013Date of Patent: July 18, 2017Assignee: Toshiba Mitsubishi-Electric Industrial Systems CorporationInventors: Yoichiro Tabata, Yujiro Okihara, Noriyuki Nakamura, Shinichi Nishimura
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Patent number: 9615440Abstract: A current-limiting reactor that regulates a short-circuit current, a controller that controls an action of an inverter, and a detection unit that detects a short circuit. The controller causes the inverter to stop when a short circuit has occurred.Type: GrantFiled: October 4, 2013Date of Patent: April 4, 2017Assignee: Toshiba Mitsubishi-Electric Industrial Systems CorporationInventors: Yoichiro Tabata, Yujiro Okihara, Noriyuki Nakamura, Shinichi Nishimura
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Publication number: 20160234923Abstract: A power supply apparatus includes a controller that performs the following action and resonance means for creating a resonance state between the power supply apparatus and a plasma generator. That is, the controller changes, when a value of electric power input equal to 100% (or a value of electric power input equal to or more than a threshold % and equal to or less than 100%) of a rated power is instructed, an inverter frequency and obtains an inverter output power factor for each of a plurality of inverter frequencies. Then, the controller determines, as a driving frequency of the inverter, one of the plurality of inverter frequencies at which the inverter output power factor is maximized.Type: ApplicationFiled: October 4, 2013Publication date: August 11, 2016Applicant: TOSHIBA MITSUBISHI-ELECRTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Yoichiro TABATA, Yujiro OKIHARA, Noriyuki NAKAMURA, Shinichi NISHIMURA
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Publication number: 20160234921Abstract: A power supply apparatus includes a controller that performs the following action. The controller determines a target direct-current electric amount value in accordance with an external input. Then, the controller performs feedback control in such a manner that an amount of direct-current electric power input to an inverter reaches the target direct-current electric amount value.Type: ApplicationFiled: October 4, 2013Publication date: August 11, 2016Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Yoichiro TABATA, Yujiro OKIHARA, Noriyuki NAKAMURA, Shinichi NISHIMURA
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Publication number: 20160234925Abstract: A power supply apparatus outputs an alternating-current voltage to a plasma generator being a capacitive load and the power supply apparatus has a configuration that a transformer included in the power supply apparatus has a secondary-side magnetizing inductance more than five times as great as a leakage inductance.Type: ApplicationFiled: October 4, 2013Publication date: August 11, 2016Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Yoichiro TABATA, Yujiro OKIHARA, Noriyuki NAKAMURA, Shinichi NISHIMURA
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Publication number: 20160234922Abstract: A current-limiting reactor that regulates a short-circuit current, a controller that controls an action of an inverter, and a detection unit that detects a short circuit. The controller causes the inverter to stop when a short circuit has occurred.Type: ApplicationFiled: October 4, 2013Publication date: August 11, 2016Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Yoichiro TABATA, Yujiro OKIHARA, Noriyuki NAKAMURA, Shinichi NISHIMURA
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Patent number: 9295967Abstract: In the present invention, a nitrogen-free ozone generating unit integrates a plurality of functional means into a single package unit, the functional means including a nitrogen-free ozone generator that is cooled to a low temperature, an ozone power source, a MFC, an APC, a heat insulating cooling water inlet pipe, and a heat insulating cooling water outlet pipe. In the nitrogen-free ozone generator, a heat insulating layer made of a heat insulating material such as an insulator is formed to cover substantially the entire surface of an ozone generator outer frame. A cooling water system is configured to set the temperature of cooling water, which is supplied to the nitrogen-free ozone generator through the heat insulating cooling water inlet pipe, to 5° C. or less and to thereby cool the nitrogen-free ozone generator.Type: GrantFiled: October 4, 2011Date of Patent: March 29, 2016Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Noriyuki Nakamura, Yoichiro Tabata
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Patent number: 9186647Abstract: In the present invention, a gas pipe integrated block has a plurality of internal pipe paths. The plurality of internal pipe paths are connected to an ozone generator, control means, a raw gas supply port, an ozone gas output port, and cooling water inlet/outlet ports, to thereby form a unit in which a raw gas input pipe path and an ozone gas output pipe path are integrated. The raw gas input pipe path extends from the raw gas supply port through an automatic pressure controller to the ozone generator. The ozone gas output pipe path extends from the ozone generator through a gas filter, an ozone concentration meter, and a flow rate controller, to the ozone gas output port.Type: GrantFiled: July 31, 2014Date of Patent: November 17, 2015Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Yujiro Okihara, Yoichiro Tabata, Noriyuki Nakamura, Tetsuya Saitsu, Hatsuo Yotsumoto, Nobuyuki Itoh
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Patent number: 9114987Abstract: In the present invention, a gas flow rate adjustment apparatus that outputs a raw material gas to an ozone generation apparatus is provided. The gas flow rate adjustment apparatus includes a plurality of flow rate adjustment parts, and outputs a second mixed gas serving as the raw material gas to the ozone generation apparatus. The second mixed gas includes an oxygen gas outputted from a first oxygen flow rate adjustment part and a first mixed gas outputted from a mixed gas flow rate adjustment part. The raw material gas generated by the gas flow rate adjustment apparatus, which includes an oxygen gas and a nitrogen gas, contains the nitrogen gas added to the oxygen gas with the rate of addition being in a range of more than 0 PPM and not more than 100 PPM.Type: GrantFiled: August 30, 2012Date of Patent: August 25, 2015Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Yoichiro Tabata, Shinichi Nishimura, Noriyuki Nakamura, Yujiro Okihara
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Patent number: 9067789Abstract: A gas pipe integrated block includes a plurality of internal pipe paths. The plurality of internal pipe paths are connected to a nitrogen-free ozone generator in which a photocatalytic material for generating ozone is applied to a discharge surface, a controller (an MFC, a gas filter, and an APC), a raw material gas supply port, and an ozone gas output port. Thereby, a raw material gas input pipe path extending from the raw material gas supply port through the APC to the nitrogen-free ozone gas generator, and an ozone gas output pipe path extending from the nitrogen-free ozone generator through the gas filter and the MFC to the ozone gas output port, are formed in an integrated unit.Type: GrantFiled: April 13, 2011Date of Patent: June 30, 2015Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Shinichi Nishimura, Yoichiro Tabata
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Patent number: 9056300Abstract: In the present invention, a gas pipe integrated block has a plurality of internal pipe paths. The plurality of internal pipe paths are connected to an ozone generator, control means, a raw gas supply port, an ozone gas output port, and cooling water inlet/outlet ports, to thereby form a unit in which a raw gas input pipe path and an ozone gas output pipe path are integrated. The raw gas input pipe path extends from the raw gas supply port through an automatic pressure controller to the ozone generator. The ozone gas output pipe path extends from the ozone generator through a gas filter, an ozone concentration meter, and a flow rate controller, to the ozone gas output port.Type: GrantFiled: September 6, 2010Date of Patent: June 16, 2015Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Yujiro Okihara, Yoichiro Tabata, Noriyuki Nakamura, Tetsuya Saitsu, Hatsuo Yotsumoto, Nobuyuki Itoh
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Patent number: 8980189Abstract: In the present invention, particularly, means for removing moisture contained in a raw material gas is provided in a raw material gas supply part so that the amount of moisture contained in the raw material gas that is supplied to an ozone gas supply system is reduced, and additionally an ozone gas output flow rate management unit is provided that is configured to receive a plurality of ozone gas outputs from a plurality of nitrogen-free ozone generation units and capable of performing an ozone gas output flow rate control for selectively outputting one or a combination of two or more of the plurality of ozone gas outputs to any of a plurality of ozone treatment apparatuses by performing an opening/closing operation on a plurality of ozone gas control valves provided in the ozone gas output flow rate management unit.Type: GrantFiled: March 24, 2011Date of Patent: March 17, 2015Assignee: Toshiba Mitsubishi-Electric Industrial Systems CorporationInventors: Shinichi Nishimura, Yoichiro Tabata
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Publication number: 20140341782Abstract: In the present invention, a gas pipe integrated block has a plurality of internal pipe paths. The plurality of internal pipe paths are connected to an ozone generator, control means, a raw gas supply port, an ozone gas output port, and cooling water inlet/outlet ports, to thereby form a unit in which a raw gas input pipe path and an ozone gas output pipe path are integrated. The raw gas input pipe path extends from the raw gas supply port through an automatic pressure controller to the ozone generator. The ozone gas output pipe path extends from the ozone generator through a gas filter, an ozone concentration meter, and a flow rate controller, to the ozone gas output port.Type: ApplicationFiled: July 31, 2014Publication date: November 20, 2014Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Yujiro Okihara, Yoichiro Tabata, Noriyuki Nakamura, Tetsuya Saitsu, Hatsuo Yotsumoto, Nobuyuki Itoh
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Patent number: 8857371Abstract: An apparatus for generating a dielectric-barrier discharge gas including a high-energy radical gas, at a high density and with high efficiency. A flat-plate-like first electrode and a flat-plate-like second electrode are arranged in opposite positions, and a dielectric body is arranged between the two electrodes. A discharge space is located between the first electrode and the dielectric body, within a gap between the first electrode and the dielectric body. The discharge space has three sides which are gas shielded and a fourth side which opens to end surfaces of the first electrode and the dielectric body. A cooling section cools at least the first electrode and a gas supply section supplies a raw material gas to the discharge space part. A dielectric-barrier discharge is generated in the discharge space part by applying an AC voltage to the first electrode and the second electrode.Type: GrantFiled: August 31, 2007Date of Patent: October 14, 2014Assignee: Toshiba Mitsubishi-Electric Industrial Systems CorporationInventors: Yoichiro Tabata, Kensuke Watanabe
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Publication number: 20140255256Abstract: In the present invention, a nitrogen-free ozone generating unit integrates a plurality of functional means into a single package unit, the functional means including a nitrogen-free ozone generator that is cooled to a low temperature, an ozone power source, a MFC, an APC, a heat insulating cooling water inlet pipe, and a heat insulating cooling water outlet pipe. In the nitrogen-free ozone generator, a heat insulating layer made of a heat insulating material such as an insulator is formed to cover substantially the entire surface of an ozone generator outer frame. A cooling water system is configured to set the temperature of cooling water, which is supplied to the nitrogen-free ozone generator through the heat insulating cooling water inlet pipe, to 5° C. or less and to thereby cool the nitrogen-free ozone generator.Type: ApplicationFiled: October 4, 2011Publication date: September 11, 2014Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Noriyuki Nakamura, Yoichiro Tabata