Patents by Inventor Masanori Kageyama
Masanori Kageyama 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: 20210391802Abstract: It is an object to provide a technique capable of achieving a multi-output DC-DC converter mounted at low cost or high density. A DC-DC converter includes a transformer, a first circuit, and at least one second circuit. The second circuit includes an individual control device selectively accumulating and taking out an electrical power in a secondary winding corresponding to the second circuit based on an electrical power taken out from the secondary winding, and converts an AC voltage of the secondary winding into a DC voltage.Type: ApplicationFiled: December 11, 2019Publication date: December 16, 2021Applicant: Mitsubishi Electric CorporationInventors: Shohei HIGASHITANI, Norihiro SUZUKI, Masanori KAGEYAMA
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Patent number: 11129309Abstract: A cooling device to be provided is capable of being reduced in size, capable of cooling a heating component uniformly, having high radiating performance, and facilitating implementation of a work in a flat state. A first cooler body includes a first base plate and first blades. The first base plate has a first component mounting surface. A second cooler body includes a second base plate and second blades. The second base plate has a second component mounting surface. With the second cooler body maintained connected to the first cooler body, a rotary mechanism allows the second cooler body to rotate relative to the first cooler body between a state in which the first component mounting surface and the second component mounting surface are pointed to the same direction and a state in which the second blades get into gaps between the first blades without interfering with the first blades.Type: GrantFiled: March 18, 2019Date of Patent: September 21, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yoshikazu Tsunoda, Kazushi Ikurumi, Yuji Shirakata, Keiji Harada, Masanori Kageyama
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Publication number: 20210065957Abstract: The present invention has an object of providing a reactor including cores with higher heat dissipation and a coil with less eddy-current loss. A reactor according to the present invention includes: a plurality of divided cores having a shape obtained by dividing an annular core in a circumferential direction, the divided cores being made of a soft magnetic material; a core gap part disposed between the divided cores in the annular core formed by combining the plurality of divided cores, the core gap part being made of a non-magnetic material; annular heat-dissipating cases that house the divided cores and the core gap part; and a coil wound around the heat-dissipating cases, wherein the heat-dissipating cases are made of a material whose thermal conductivity is as high as 100 W/(m·K) or more.Type: ApplicationFiled: March 6, 2019Publication date: March 4, 2021Applicant: Mitsubishi Electric CorporationInventors: Tomohito FUKUDA, Takashi KUMAGAI, Hideo NODA, Kazuyuki SHIBATA, Masanori KAGEYAMA
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Publication number: 20210059068Abstract: A cooling device to be provided is capable of being reduced in size, capable of cooling a heating component uniformly, having high radiating performance, and facilitating implementation of a work in a flat state. A first cooler body includes a first base plate and first blades. The first base plate has a first component mounting surface. A second cooler body includes a second base plate and second blades. The second base plate has a second component mounting surface. With the second cooler body maintained connected to the first cooler body, a rotary mechanism allows the second cooler body to rotate relative to the first cooler body between a state in which the first component mounting surface and the second component mounting surface are pointed to the same direction and a state in which the second blades get into gaps between the first blades without interfering with the first blades.Type: ApplicationFiled: March 18, 2019Publication date: February 25, 2021Applicant: Mitsubishi Electric CorporationInventors: Yoshikazu TSUNODA, Kazushi IKURUMI, Yuji SHIRAKATA, Keiji HARADA, Masanori KAGEYAMA
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Patent number: 10256713Abstract: A power conversion device which converts power between a power grid and a DC power supply, includes: AC/DC converters for performing conversion from AC power to DC power or from DC power to AC power between the power grid and the DC power supply; a capacitor provided on the DC power supply side of the AC/DC converters and storing DC power; and a step-up unit for charging the capacitor.Type: GrantFiled: May 30, 2016Date of Patent: April 9, 2019Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Tomohito Fukuda, Hitoshi Kawaguchi, Kikuo Izumi, Masanori Kageyama
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Publication number: 20180083527Abstract: A power conversion device which converts power between a power grid and a DC power supply, includes: AC/DC converters for performing conversion from AC power to DC power or from DC power to AC power between the power grid and the DC power supply; a capacitor provided on the DC power supply side of the AC/DC converters and storing DC power; and a step-up unit for charging the capacitor.Type: ApplicationFiled: May 30, 2016Publication date: March 22, 2018Applicant: Mitsubishi Electric CorporationInventors: Tomohito FUKUDA, Hitoshi KAWAGUCHI, Kikuo IZUMI, Masanori KAGEYAMA
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Patent number: 7839665Abstract: A system interconnection inverter includes a step-up converter and an inverter. Moreover, the system interconnection inverter includes a short-circuit current-interrupting diode with a cathode connected to an input terminal of a negative bus, a semiconductor switch connected to an anode of the short-circuit current-interrupting diode, a semiconductor switch drive circuit that drives the semiconductor switch, a semiconductor switch-off circuit that turns off the semiconductor switch drive circuit when negative power is applied such that electric current flows from a cathode toward an anode of the input terminal, and a control circuit that controls the semiconductor switch drive circuit.Type: GrantFiled: March 27, 2006Date of Patent: November 23, 2010Assignee: Mitsubishi Electric CorporationInventors: Masahiro Toba, Noriyuki Matsubara, Masanori Kageyama, Hirokazu Nakabayashi
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Patent number: 7586770Abstract: An interconnection inverter device includes a pair of capacitors connected in series to a pair of direct-current buses each connecting a direct-current power supply and the inverter; an opening/closing unit connected to either one of the pair of direct-current buses; voltage monitor units that monitor terminal voltages of the pair of capacitors respectively; and a controller that controls opening or closing of the opening/closing unit based on monitor voltages detected by the voltage monitor units.Type: GrantFiled: February 24, 2006Date of Patent: September 8, 2009Assignee: Mitsubishi Electric CorporationInventors: Masahiro Toba, Noriyuki Matsubara, Masanori Kageyama, Naoki Nishio
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Publication number: 20080304298Abstract: A system interconnection inverter includes a step-up converter and an inverter. Moreover, the system interconnection inverter includes a short-circuit current-interrupting diode with a cathode connected to an input terminal of a negative bus, a semiconductor switch connected to an anode of the short-circuit current-interrupting diode, a semiconductor switch drive circuit that drives the semiconductor switch, a semiconductor switch-off circuit that turns off the semiconductor switch drive circuit when negative power is applied such that electric current flows from a cathode toward an anode of the input terminal, and a control circuit that controls the semiconductor switch drive circuit.Type: ApplicationFiled: March 27, 2006Publication date: December 11, 2008Applicant: Mitsubishi Electric CorporationInventors: Masahiro Toba, Noriyuki Matsubara, Masanori Kageyama, Hirokazu Nakabayashi
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Publication number: 20070291522Abstract: An interconnection inverter device includes a pair of capacitors connected in series to a pair of direct-current buses each connecting a direct-current power supply and the inverter; an opening/closing unit connected to either one of the pair of direct-current buses; voltage monitor units that monitor terminal voltages of the pair of capacitors respectively; and a controller that controls opening or closing of the opening/closing unit based on monitor voltages detected by the voltage monitor units.Type: ApplicationFiled: February 24, 2006Publication date: December 20, 2007Applicant: Mitsubishi Electric CorporationInventors: Masahiro Toba, Noriyuki Matsubara, Masanori Kageyama, Naoki Nishio
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Patent number: 6298861Abstract: A wig stopper including a bent, counter-bendable, component that is obtained by processing a single elastic thin sheet to bend and impart a counter-bendable characteristic thereto. The wig stopper further includes a number of hair-fastening components, each having a base end part provided on the longitudinal side of the upper end of the bent, counter-bendable, component. Also, a tip end part is extended to the longitudinal side of the lower end of the bent, counter-bendable, component such that the hair-fastening components are arranged in a comb-tooth fashion.Type: GrantFiled: October 19, 1999Date of Patent: October 9, 2001Assignee: Aderans Co., Ltd.Inventors: Masanori Kageyama, Masataka Itoh
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Patent number: D406398Type: GrantFiled: September 29, 1997Date of Patent: March 2, 1999Assignee: Aderans Co., Ltd.Inventors: Masanori Kageyama, Masataka Itoh
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Patent number: D414002Type: GrantFiled: September 29, 1997Date of Patent: September 14, 1999Assignee: Aderans Co., Ltd.Inventors: Masanori Kageyama, Masataka Itoh