Patents by Inventor Takayuki Morikawa
Takayuki Morikawa 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: 11143710Abstract: A secondary battery deterioration estimation device includes receiving a first signal representing a discharging voltage; receiving a second signal representing a discharging current from a current sensor; calculating values of elements forming an equivalent circuit of the secondary battery based on the first and second signals; calculating a state of health (SOH) of the secondary battery based on the values of the elements forming the equivalent circuit; generating history information showing history of a use state of the secondary battery; calculating the SOH of the secondary battery based on the history information; determining a deterioration state of the secondary battery with reference to at least one of the SOH calculated by the values of the elements or the SOH calculated by the history information by the processor in accordance with a state of the secondary battery; and outputting data representing the deterioration state of the secondary battery.Type: GrantFiled: September 27, 2018Date of Patent: October 12, 2021Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Taiji Mitsuyama, Etsuzo Sato, Noriyasu Iwane, Naotaka Uchino, Hirokazu Narui, Akira Oono, Takayuki Morikawa
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Patent number: 10353394Abstract: A driving assistance device includes a driving situation acquisition unit that acquires driving situations of vehicles that may collide with each other, a driving characteristics acquisition unit that acquires driving characteristics of drivers of the vehicles, a driving action determination unit that determines driving actions that allow the vehicles to avoid collision with each other in the driving situation acquired by the driving situation acquisition unit and that match the driving characteristics acquired by the driving characteristics acquisition unit, and a driving action instruction unit that instructs the vehicles about the driving actions determined by the driving action determination unit.Type: GrantFiled: August 8, 2017Date of Patent: July 16, 2019Assignees: Toyota Jidosha Kabushiki Kaisha, National University Corporation Nagoya UniversityInventors: Hiroaki Takada, Yousuke Watanabe, Kentaro Takaki, Takayuki Morikawa, Yoshiki Ninomiya, Shigeharu Teshima
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Patent number: 10256034Abstract: A core case unit (100) includes: an annular case (1) which houses a magnetic core (4); and a bobbin (2) around which a wire is to be wound, wherein the bobbin (2) includes a cylindrical portion (5) around which the wire is to be wound, inner flanges (6) provided at opposite ends of the cylindrical portion, outer flanges (7) provided on an outer side of the inner flanges with a space being left which is capable of containing a wire end portion, and a gear portion (8) provided on an outer side of at least one of the outer flanges for receiving rotational force, the bobbin being rotatably supported on the case at the cylindrical portion, an outside diameter of the outer flanges (7) is greater than an outside diameter of the gear portion which is defined by an addendum circle, and the inner flanges (6) and the outer flanges (7) have a recessed portion (15, 16) through which a wire end portion is to be passed.Type: GrantFiled: May 8, 2015Date of Patent: April 9, 2019Assignee: HITACHI METALS, LTD.Inventors: Hirohiko Miki, Takayuki Morikawa, Masatoshi Akita, Masahiro Morita
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Publication number: 20190033392Abstract: A secondary battery deterioration estimation device estimating deterioration of the secondary battery, includes a memory; and a processor which executes the following processes based on executable programs stored in the memory, receiving a first signal representing a discharging voltage from a voltage sensor; receiving a second signal representing a discharging current from a current sensor; calculating values of elements forming an equivalent circuit of the secondary battery based on the first and second signals; calculating a state of health (SOH) of the secondary battery based on the values of the elements forming the equivalent circuit; generating history information showing history of a use state of the secondary battery; calculating the SOH of the secondary battery based on the history information; determining a deterioration state of the secondary battery with reference to at least one of the SOH calculated by the values of the elements or the SOH calculated by the history information by the processorType: ApplicationFiled: September 27, 2018Publication date: January 31, 2019Inventors: Taiji MITSUYAMA, Etsuzo SATO, Noriyasu IWANE, Naotaka UCHINO, Hirokazu NARUI, Akira OONO, Takayuki MORIKAWA
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Publication number: 20180046193Abstract: A driving assistance device includes a driving situation acquisition unit that acquires driving situations of vehicles that may collide with each other, a driving characteristics acquisition unit that acquires driving characteristics of drivers of the vehicles, a driving action determination unit that determines driving actions that allow the vehicles to avoid collision with each other in the driving situation acquired by the driving situation acquisition unit and that match the driving characteristics acquired by the driving characteristics acquisition unit, and a driving action instruction unit that instructs the vehicles about the driving actions determined by the driving action determination unit.Type: ApplicationFiled: August 8, 2017Publication date: February 15, 2018Inventors: Hiroaki Takada, Yousuke Watanabe, Kentaro Takaki, Takayuki Morikawa, Yoshiki Ninomiya, Shigeharu Teshima
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Publication number: 20170154723Abstract: A core case unit (100) includes: an annular case (1) which houses a magnetic core (4); and a bobbin (2) around which a wire is to be wound, wherein the bobbin (2) includes a cylindrical portion (5) around which the wire is to be wound, inner flanges (6) provided at opposite ends of the cylindrical portion, outer flanges (7) provided on an outer side of the inner flanges with a space being left which is capable of containing a wire end portion, and a gear portion (8) provided on an outer side of at least one of the outer flanges for receiving rotational force, the bobbin being rotatably supported on the case at the cylindrical portion, an outside diameter of the outer flanges (7) is greater than an outside diameter of the gear portion which is defined by an addendum circle, and the inner flanges (6) and the outer flanges (7) have a recessed portion (15, 16) through which a wire end portion is to be passed.Type: ApplicationFiled: May 8, 2015Publication date: June 1, 2017Inventors: Hirohiko MIKI, Takayuki MORIKAWA, Masatoshi AKITA, Masahiro MORITA
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Patent number: 9182697Abstract: Recording sheet for wet electrophotography, having excellent toner fixability and transferability when printing is carried out by using a wet electrophotographic system employing a wet toner. The recording sheet for wet electrophotography is a recording sheet to be used in a wet electrophotographic system wherein an image is transferred from a heated blanket roll to a recording sheet. The recording sheet comprises a substrate and a toner receiving layer provided thereon containing inorganic fine particles and having a pore volume with a pore radius of 100 nanometers or less measured by a nitrogen adsorption method of 0.3 mL/g or more.Type: GrantFiled: June 28, 2013Date of Patent: November 10, 2015Assignee: MITSUBISHI PAPER MILLS LIMITEDInventors: Hideto Kiyama, Hideaki Ishiguro, Norimasa Miyachi, Masahiro Kawasaki, Takayuki Morikawa
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Publication number: 20130287456Abstract: A recording sheet for wet electrophotography having excellent toner fixability and transferability when printing is carried out by using a wet electrophotographic system using a wet toner is provided. The recording sheet for wet electrophotography is a recording sheet to be used in a wet electrophotographic system wherein an image is transferred from a heated blanket roll to a recording sheet, and comprises a substrate, and a toner receiving layer provided thereon containing inorganic fine particles and having a pore volume with a pore radius of 100 nm or less measured by a nitrogen adsorption method of 0.3 mL/g or more.Type: ApplicationFiled: June 28, 2013Publication date: October 31, 2013Inventors: Hideto KIYAMA, Hideaki ISHIGURO, Norimasa MIYACHI, Masahiro KAWASAKI, Takayuki MORIKAWA
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Patent number: 8160810Abstract: The route search system of the present invention receives the provision request of the information about route search from a route search terminal. The information included in the provision request from a route search terminal is acquired, calculation processing of the environmental load value of the relevant vehicle and the environmental load value of other vehicle by which it is generated with movement of a relevant vehicle from the acquired information is carried out using an environmental load calculation unit.Type: GrantFiled: December 22, 2008Date of Patent: April 17, 2012Assignee: NEC Soft, Ltd.Inventors: Takayuki Morikawa, Toshiyuki Yamamoto, Tomio Miwa, Akinori Satou, Enjian Yao, Yasuhiro Sugisaki
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Publication number: 20120009363Abstract: A recording sheet for wet electrophotography having excellent toner fixability and transferability when printing is carried out by using a wet electrophotographic system using a wet toner is provided. The recording sheet for wet electrophotography is a recording sheet to be used in a wet electrophotographic system wherein an image is transferred from a heated blanket roll to a recording sheet, and comprises a substrate, and a toner receiving layer provided thereon containing inorganic fine particles and having a pore volume with a pore radius of 100 nm or less measured by a nitrogen adsorption method of 0.3 mL/g or more.Type: ApplicationFiled: July 6, 2011Publication date: January 12, 2012Inventors: Hideto KIYAMA, Hideaki Ishiguro, Norimasa Miyachi, Masahiro Kawasaki, Takayuki Morikawa
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Publication number: 20090164114Abstract: The route search system of the present invention receives the provision request of the information about route search from a route search terminal. The information included in the provision request from a route search terminal is acquired, calculation processing of the environmental load value of the relevant vehicle and the environmental load value of other vehicle by which it is generated with movement of a relevant vehicle from the acquired information is carried out using an environmental load calculation unit.Type: ApplicationFiled: December 22, 2008Publication date: June 25, 2009Applicants: NEC CORPORATION, NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY, NEC SOFT, LTD.Inventors: Takayuki MORIKAWA, Toshiyuki Yamamoto, Tomio Miwa, Akinori Satou, Enjian Yao, Yasuhiro Sugisaki
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Patent number: 7263355Abstract: A test apparatus main body mounted in a single housing has a connection unit, a common bus, terminal control units, measurement units, and a total control unit. The connection unit can connect at least two terminals of identical or different type of communication systems. The terminal control units output test signals including signals that respectively control the terminals which can be connected to the connection unit based on predetermined test programs according to the type of communication systems, and measurement instructions, which are supplied via the common bus. The second measurement units perform measurements designated by the measurement instructions upon reception of response signals which are output from the terminals in response to the test signals from the terminal control units.Type: GrantFiled: June 10, 2004Date of Patent: August 28, 2007Assignee: Anritsu CorporationInventors: Takayuki Morikawa, Tsuyoshi Doi, Osamu Miyashita
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Patent number: 7069005Abstract: A measuring section measures a digital multiplex signal divided into slot units, as a signal to be measured. A display control section displays, on a screen, a measured waveform of the signal. An analyzing section analyzes, in the slot units, information relating to the measured waveform of the signal. A storage section stores the information relating to the measured waveform of the signal which is analyzed in the slot units, as analyzed information of the slot unit. A marker display control section displays a slot marker to designate an arbitrary slot, in correspondence with the measured waveform of the signal which is displayed on the screen. A slot information display control section reads, from the storage section, the analyzed information of the slot unit corresponding to the slot designated by the slot marker displayed on the screen, and displays the analyzed information of the slot unit in correspondence with the slot marker.Type: GrantFiled: July 5, 2002Date of Patent: June 27, 2006Assignee: Anritsu CorporationInventors: Takayuki Morikawa, Katsuhisa Iiyoshi, Yuji Kanno, Hideo Zuinen
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Patent number: 6907366Abstract: A storage stores data of plural function menus corresponding to plural function menu items composed of plural pages to be used in instruction of execution of mutually different plural functions to process tested data of an object displayed in a first region on a screen of a display section. A screen manager selectively reads out function menu data of one page corresponding to a specified function from data of plural function menus stored in the storage, in accordance with setting of a display state displayed on the screen, and displays in a second region different from the first region, corresponding to each of the plural function keys. A list display section reads out data of plural function menus of all pages corresponding to the specified function from data of plural function menus stored in the storage, depending on the operation of a list display key, and displays a list in a third region, different from the second region, including the first region.Type: GrantFiled: July 26, 2002Date of Patent: June 14, 2005Assignee: Anritsu CorporationInventors: Katsuhisa Iiyoshi, Takayuki Morikawa, Yuji Kanno, Hideo Zuinen
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Patent number: 6849808Abstract: The present invention provides a weight sensor device for detecting a weight of an occupant seated on a seat having a seat frame and a cushion. The device has a sensing wire displaced downward in the seat frame as the cushion is deformed due to the weight of the occupant when the occupant is seated on the seat and a variable resistor for converting a displacement of the sensing wire into an electric signal indicative of the weight of the occupant.Type: GrantFiled: July 29, 2002Date of Patent: February 1, 2005Assignees: The Furukawa Electric Co., Ltd., NHK Spring Co., Ltd.Inventors: Takayuki Enomoto, Takayuki Morikawa, Katsutoshi Sasaki, Hiroyuki Yamazaki, Takashi Takeshita, Hiroshi Matsunaga
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Publication number: 20040266423Abstract: A test apparatus main body mounted in a single housing has a connection unit, a common bus, terminal control units, measurement units, and a total control unit. The connection unit can connect at least two terminals of identical or different type of communication systems. The terminal control units output test signals including signals that respectively control the terminals which can be connected to the connection unit based on predetermined test programs according to the type of communication systems, and measurement instructions, which are supplied via the common bus. The second measurement units perform measurements designated by the measurement instructions upon reception of response signals which are output from the terminals in response to the test signals from the terminal control units.Type: ApplicationFiled: June 10, 2004Publication date: December 30, 2004Applicant: Anritsu CorporationInventors: Takayuki Morikawa, Tsuyoshi Doi, Osamu Miyashita
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Publication number: 20040059546Abstract: A measuring section measures a digital multiplex signal divided into slot units, as a signal to be measured. A display control section displays, on a screen, a measured waveform of the signal. An analyzing section analyzes, in the slot units, information relating to the measured waveform of the signal. A storage section stores the information relating to the measured waveform of the signal which is analyzed in the slot units, as analyzed information of the slot unit. A marker display control section displays a slot marker to designate an arbitrary slot, in correspondence with the measured waveform of the signal which is displayed on the screen. A slot information display control section reads, from the storage section, the analyzed information of the slot unit corresponding to the slot designated by the slot marker displayed on the screen, and displays the analyzed information of the slot unit in correspondence with the slot marker.Type: ApplicationFiled: March 31, 2003Publication date: March 25, 2004Applicant: Anritsu CorporationInventors: Takayuki Morikawa, Katsuhisa Iiyoshi, Yuji Kanno, Hideo Zuinen
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Publication number: 20030191591Abstract: A storage stores data of plural function menus corresponding to plural function menu items composed of plural pages to be used in instruction of execution of mutually different plural functions to process tested data of an object displayed in a first region on a screen of a display section. A screen manager selectively reads out function menu data of one page corresponding to a specified function from data of plural function menus stored in the storage, in accordance with setting of a display state displayed on the screen, and displays in a second region different from the first region, corresponding to each of the plural function keys. A list display section reads out data of plural function menus of all pages corresponding to the specified function from data of plural function menus stored in the storage, depending on the operation of a list display key, and displays a list in a third region, different from the second region, including the first region.Type: ApplicationFiled: March 31, 2003Publication date: October 9, 2003Inventors: Katsuhisa Iiyoshi, Takayuki Morikawa, Yuji Kanno, Hideo Zuinen
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Patent number: 6532132Abstract: A marking method for a sintered product of the invention includes forming a concave portion on the sintered product by irradiating the sintered product with laser light thereby to write identification information on the sintered product. The depth of the concave portion is adjusted in a range between 0.1 &mgr;m and 5 &mgr;m, inclusive.Type: GrantFiled: July 17, 2002Date of Patent: March 11, 2003Assignee: Sumitomo Special Metals Co., Ltd.Inventors: Shinji Tsujimoto, Takayuki Morikawa
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Publication number: 20030024747Abstract: The present invention provides a weight sensor device for detecting a weight of an occupant seated on a seat having a seat frame and a cushion. The device has a sensing wire displaced downward in the seat frame as the cushion is deformed due to the weight of the occupant when the occupant is seated on the seat and a variable resistor for converting a displacement of the sensing wire into an electric signal indicative of the weight of the occupant.Type: ApplicationFiled: July 29, 2002Publication date: February 6, 2003Inventors: Takayuki Enomoto, Takayuki Morikawa, Katsutoshi Sasaki, Hiroyuki Yamazaki, Takashi Takeshita, Hiroshi Matsunaga