Patents by Inventor Hirofumi Maruyama
Hirofumi Maruyama 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: 20220329249Abstract: An R/D conversion method includes a step of removing a frequency band including a frequency component that is twice an excitation frequency of excitation signals of a resolver (30) from a digital angle value (?). The R/D conversion method further includes a step of outputting, by the resolver (30), the resolver signals having a phase difference that corresponds to an angle of the resolver with respect to the excitation signals, respectively, and a step of feeding back the digital angle value (?) includes feeding back the digital angle value (?) to the resolver signals.Type: ApplicationFiled: September 10, 2020Publication date: October 13, 2022Inventors: Hiroshi KUSHIHARA, Hirofumi MARUYAMA, Ryohei USHIKUSA, Shinichi ARAI
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Patent number: 11253947Abstract: The present invention relates to a magnet wire bonding method and a bonding structure, and more particularly to a new improvement for ultrasonically bonding a longitudinal outer peripheral surface of a magnet wire having no entangling part to a flat surface of a flat part of a terminal pin. A magnet wire bonding method and structure, comprising: using a terminal pin (11) having a flat plate part (40) provided in a pin part (11a) as a terminal pin holding part (3); placing a magnet wire (13) in a longitudinally spread state on a flat surface (40a) of the flat plate part (40) without being entangled; and ultrasonically bonding an outer peripheral surface (13E) of the magnet wire (13) onto the flat surface (40a) with an ultrasonic horn (50).Type: GrantFiled: June 26, 2019Date of Patent: February 22, 2022Assignee: TAMAGAWA SEIKI CO., LTD.Inventors: Hiroshi Kushihara, Kazuyuki Ishibashi, Hirofumi Maruyama, Shinichi Arai, Toshiki Muramatsu, Shinichi Hara, Katsutoshi Toyotake
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Patent number: 11226792Abstract: A trigonometric function calculating device includes: an address generator that generates an address signal that is formed from plural bit strings and corresponds to a phase; a trigonometric function table that stores first sines and first cosines that respectively correspond to phases expressed by upper bits of the address signals, and second sines and a second cosines that respectively correspond to phases expressed by lower bits of the address signals; a calculation circuit that outputs, as a calculated value, a sine that corresponds to the address signal by calculating processing using the first sine, the first cosine, the second sine and the second cosine that correspond to the address signal and have been extracted by referring to the trigonometric function table; and a correcting section that corrects the calculated value on the basis of a correction value corresponding to the address signal.Type: GrantFiled: June 29, 2020Date of Patent: January 18, 2022Assignees: LAPIS SEMICONDUCTOR CO., LTD., TAMAGAWA SEIKI CO., LTD.Inventors: Masato Yamazaki, Hirofumi Maruyama
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Patent number: 11190625Abstract: The present technology relates to a reception device, a data processing method, and a transmission/reception system capable of shortening time to output a packet. The reception device receives a transmission signal obtained by processing a multiplexed stream including a plurality of packets, analyzes transmission control information for controlling transmission of the transmission signal, decodes the transmission signal on the basis of an analysis result of the transmission control information, analyzes the multiplexed stream obtained by decoding the transmission signal and sets packet division information for dividing the packets from the multiplexed stream, the packet division information according to at least one of the analysis result of the transmission control information or an analysis result of the multiplexed stream, and divides the multiplexed stream into the packets on the basis of the set packet division information.Type: GrantFiled: March 9, 2017Date of Patent: November 30, 2021Assignee: SONY CORPORATIONInventors: Satoshi Okada, Yuichi Hirayama, Hirofumi Maruyama
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Publication number: 20210195001Abstract: The present technology relates to a reception device, a data processing method, and a transmission/reception system capable of shortening time to output a packet. The reception device receives a transmission signal obtained by processing a multiplexed stream including a plurality of packets, analyzes transmission control information for controlling transmission of the transmission signal, decodes the transmission signal on the basis of an analysis result of the transmission control information, analyzes the multiplexed stream obtained by decoding the transmission signal and sets packet division information for dividing the packets from the multiplexed stream, the packet division information according to at least one of the analysis result of the transmission control information or an analysis result of the multiplexed stream, and divides the multiplexed stream into the packets on the basis of the set packet division information.Type: ApplicationFiled: March 9, 2017Publication date: June 24, 2021Inventors: SATOSHI OKADA, YUICHI HIRAYAMA, HIROFUMI MARUYAMA
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Publication number: 20210004207Abstract: A trigonometric function calculating device includes: an address generator that generates an address signal that is formed from plural bit strings and corresponds to a phase; a trigonometric function table that stores first sines and first cosines that respectively correspond to phases expressed by upper bits of the address signals, and second sines and a second cosines that respectively correspond to phases expressed by lower bits of the address signals; a calculation circuit that outputs, as a calculated value, a sine that corresponds to the address signal by calculating processing using the first sine, the first cosine, the second sine and the second cosine that correspond to the address signal and have been extracted by referring to the trigonometric function table; and a correcting section that corrects the calculated value on the basis of a correction value corresponding to the address signal.Type: ApplicationFiled: June 29, 2020Publication date: January 7, 2021Applicants: LAPIS Semiconductor Co., Ltd., TAMAGAWA SEIKI Co., Ltd.Inventors: Masato YAMAZAKI, Hirofumi MARUYAMA
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Patent number: 10631043Abstract: Communication reception that enables reception of a packet which may not contain an error without invalidating the same is disclosed. In one example, an information analyzing unit analyzes a data string and frame/slot information, and supplies TMCC information, slot header information, and data length information to a packet length indicating unit and a packet dividing unit. The packet length indicating unit defines the packet length in advance, and indicates the defined packet length to the packet dividing unit. The packet dividing unit performs packet division on the basis of the packet length obtained from the TMCC information, the slot header information, the data length information and the like from the information analyzing unit, and the packet length defined by the packet length indicating unit.Type: GrantFiled: November 11, 2016Date of Patent: April 21, 2020Assignee: Sony CorporationInventors: Hirofumi Maruyama, Noriaki Ooishi, Yuichi Hirayama, Satoshi Okada
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Publication number: 20200061735Abstract: The present invention relates to a magnet wire bonding method and a bonding structure, and more particularly to a new improvement for ultrasonically bonding a longitudinal outer peripheral surface of a magnet wire having no entangling part to a flat surface of a flat part of a terminal pin. A magnet wire bonding method and structure, comprising: using a terminal pin (11) having a flat plate part (40) provided in a pin part (11a) as a terminal pin holding part (3); placing a magnet wire (13) in a longitudinally spread state on a flat surface (40a) of the flat plate part (40) without being entangled; and ultrasonically bonding an outer peripheral surface (13E) of the magnet wire (13) onto the flat surface (40a) with an ultrasonic horn (50).Type: ApplicationFiled: June 26, 2019Publication date: February 27, 2020Inventors: Hiroshi KUSHIHARA, Kazuyuki ISHIBASHI, Hirofumi MARUYAMA, Shinichi ARAI, Toshiki MURAMATSU, Shinichi HARA, Katsutoshi TOYOTAKE
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Patent number: 10389393Abstract: The present technology relates to a reception device, a receiving method, and a program capable of improving a reception state. A delay wave by multipath is estimated on the basis of sensor information detected by a sensor unit, a replica of the delay wave is generated by a sum of products of a coefficient for each delay wave and a signal of a reception wave according to delay time on the basis of the estimated delay wave by the multipath, and the generated replica of the delay wave is subtracted from the signal of the reception wave, thereby removing the delay wave from the signal of the reception wave. The present technology may be applied to a receiver which receives a broadcast wave.Type: GrantFiled: August 17, 2016Date of Patent: August 20, 2019Assignee: Sony CorporationInventors: Tomoya Kojima, Yuichi Hirayama, Shigeru Sawai, Hirofumi Maruyama, Takashi Horiguti, Bostamam Anas
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Publication number: 20180352290Abstract: Communication reception that enables reception of a packet which may not contain an error without invalidating the same is disclosed. In one example, an information analyzing unit analyzes a data string and frame/slot information, and supplies TMCC information, slot header information, and data length information to a packet length indicating unit and a packet dividing unit. The packet length indicating unit defines the packet length in advance, and indicates the defined packet length to the packet dividing unit. The packet dividing unit performs packet division on the basis of the packet length obtained from the TMCC information, the slot header information, the data length information and the like from the information analyzing unit, and the packet length defined by the packet length indicating unit.Type: ApplicationFiled: November 11, 2016Publication date: December 6, 2018Applicant: Sony CorporationInventors: Hirofumi Maruyama, Noriaki Ooishi, Yuichi Hirayama, Satoshi Okada
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Patent number: 10084472Abstract: The present invention relates to a phase modulation-type redundant two-phase-output resolver, an excitation signal (100) is applied to an excitation winding (50) of an annular stator (21) having a VR-type rotor (20) disposed therein, and a two-phase output signal (101) is outputted from first and second output windings (43, 44) that are provided in the annular stator (21), the excitation winding (50) is made up of first and second excitation windings (40, 41) of mutually different phases, and the excitation signal (100) has two phases, and even in a case where a break occurs in only any one winding from among the first and second excitation windings (40, 41) and the first and second output windings (43, 44), at least a one-phase output signal can be obtained.Type: GrantFiled: March 1, 2018Date of Patent: September 25, 2018Assignee: TAMAGAWA SEIKI CO., LTD.Inventors: Hiroshi Kushihara, Kazuyuki Ishibashi, Hirofumi Maruyama, Katsutoshi Toyotake, Shinichi Arai, Toshiki Muramatsu
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Publication number: 20180248573Abstract: The present technology relates to a reception device, a receiving method, and a program capable of improving a reception 6state. A delay wave by multipath is estimated on the basis of sensor information detected by a sensor unit, a replica of the delay wave is generated by a sum of products of a coefficient for each delay wave and a signal of a reception wave according to delay time on the basis of the estimated delay wave by the multipath, and the generated replica of the delay wave is subtracted from the signal of the reception wave, thereby removing the delay wave from the signal of the reception wave. The present technology may be applied to a receiver which receives a broadcast wave.Type: ApplicationFiled: August 17, 2016Publication date: August 30, 2018Inventors: Tomoya Kojima, Yuichi Hirayama, Shigeru Sawai, Hirofumi Maruyama, Takashi Horiguti, Bostamam Anas
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Patent number: 9894890Abstract: Provided are a diagnosis marker, a diagnosis method, and a therapeutic agent suitable for diagnosing and treating amyotrophic lateral sclerosis (ALS). Also provided are an animal model and a cell model suitable for developing a therapeutic agent and a treatment method for ALS. The diagnosis method for ALS includes: an isolation step in which a nucleic acid is isolated from a specimen taken from a subject; a detection step in which bases expressed in a human chromosome 10 optineurin (OPTN) gene region are detected from the isolated nucleic acid; and a determination step in which it is determined whether or not the detected bases are mutated.Type: GrantFiled: August 8, 2016Date of Patent: February 20, 2018Assignee: HIROSHIMA UNIVERSITYInventors: Hideshi Kawakami, Hirofumi Maruyama, Hiroyuki Morino
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Patent number: 9800315Abstract: The present technology relates to a reception apparatus, a reception method, and a program capable of improving performance in diversity. The reception apparatus includes a plurality of demodulation units configured to demodulate a supplied branch and generate a symbol and a synthesis unit configured to synthesize the symbol demodulated by the plurality of demodulation units, in which the synthesis unit sets a predetermined time from arrival time of a first-arriving symbol as a search range, and synthesizes a symbol that arrives within the search range and the first-arriving symbol. The present technology can be applied to a mobile terminal apparatus that receives television broadcasting or the like with diversity system.Type: GrantFiled: September 29, 2014Date of Patent: October 24, 2017Assignee: SONY CORPORATIONInventors: Takashi Yokokawa, Satoshi Okada, Hirofumi Maruyama
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Publication number: 20170053745Abstract: A method for manufacturing an electrolytic capacitor includes preparing a capacitor element that includes an anode body having a dielectric layer, and a separator including a cellulose fiber; impregnating the capacitor element with a first treatment solution containing a first solvent and conductive polymer particles; and impregnating, after impregnating the capacitor element with the first treatment solution, the capacitor element with a second treatment solution containing a second solvent at a state where the capacitor element includes the first solvent.Type: ApplicationFiled: November 4, 2016Publication date: February 23, 2017Inventors: TATSUJI AOYAMA, TOMOYUKI TASHIRO, YUICHI NAKAJIMA, HIROFUMI MARUYAMA
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Publication number: 20160338328Abstract: Provided are a diagnosis marker, a diagnosis method, and a therapeutic agent suitable for diagnosing and treating amyotrophic lateral sclerosis (ALS). Also provided are an animal model and a cell model suitable for developing a therapeutic agent and a treatment method for ALS. The diagnosis method for ALS includes: an isolation step in which a nucleic acid is isolated from a specimen taken from a subject; a detection step in which bases expressed in a human chromosome 10 optineurin (OPTN) gene region are detected from the isolated nucleic acid; and a determination step in which it is determined whether or not the detected bases are mutated.Type: ApplicationFiled: August 8, 2016Publication date: November 24, 2016Inventors: Hideshi KAWAKAMI, Hirofumi MARUYAMA, Hiroyuki MORINO
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Publication number: 20160261329Abstract: The present technology relates to a reception apparatus, a reception method, and a program that are capable of improving performance in diversity. A reception apparatus includes: a plurality of demodulation units that each demodulate a supplied branch and generate a symbol; a synthesis unit that synthesizes the symbols demodulated in the plurality of demodulation units and generates a synthesis symbol; an error correction unit that performs error correction of the synthesis symbol; and a smoothing unit that controls a transmission rate of the synthesis symbol from the synthesis unit to the error correction unit to fall within a certain range. The smoothing unit includes a buffer unit that holds the synthesis symbol from the synthesis unit, an input-time estimation unit that estimates a time at which the synthesis symbol is input from the synthesis unit, and an output-time generation unit that generates a time at which the synthesis symbol held in the buffer unit is output to the error correction unit.Type: ApplicationFiled: October 10, 2014Publication date: September 8, 2016Inventors: NAOKI YOSHIMOCHI, HIROFUMI MARUYAMA, SATOSHI OKADA
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Patent number: 9434992Abstract: Provided are a diagnosis marker, a diagnosis method, and a therapeutic agent suitable for diagnosing and treating amyotrophic lateral sclerosis (ALS). Also provided are an animal model and a cell model suitable for developing a therapeutic agent and a treatment method for ALS. The diagnosis method for ALS includes: an isolation step in which a nucleic acid is isolated from a specimen taken from a subject; a detection step in which bases expressed in a human chromosome 10 optineurin (OPTN) gene region are detected from the isolated nucleic acid; and a determination step in which it is determined whether or not the detected bases are mutated.Type: GrantFiled: March 3, 2014Date of Patent: September 6, 2016Assignee: HIROSHIMA UNIVERSITYInventors: Hideshi Kawakami, Hirofumi Maruyama, Hiroyuki Morino
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Publication number: 20160233943Abstract: The present technology relates to a reception apparatus, a reception method, and a program capable of improving performance in diversity. The reception apparatus includes a plurality of demodulation units configured to demodulate a supplied branch and generate a symbol, and a synthesis unit configured to synthesize the symbol demodulated by the plurality of demodulation units, to which the synthesis unit sets a predetermined time from arrival time of a first-arriving symbol as a search range, and synthesizes a symbol that arrives within the search range and the first-arriving symbol. The present technology can be applied to a mobile terminal apparatus that receives television broadcasting or the like with diversity system.Type: ApplicationFiled: September 29, 2014Publication date: August 11, 2016Inventors: TAKASHI YOKOKAWA, SATOSHI OKADA, HIROFUMI MARUYAMA
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Patent number: 9020023Abstract: The present technique relates to a reception device and a reception method which can improve equalization performance. An equalization processing unit has a time domain equalization unit which equalizes a received signal in a time domain and a frequency domain equalization unit which is provided in parallel to the time domain equalization unit and which equalizes the received signal in a frequency domain, and performs control of switching between the time domain equalization unit and the frequency domain equalization unit. The present technique can be applied to, for example, equalize a signal of data transmitted by way of single carrier transmission or data transmitted by way of multicarrier transmission.Type: GrantFiled: May 15, 2012Date of Patent: April 28, 2015Assignee: Sony CorporationInventors: Katsumi Takaoka, Naoki Yoshimochi, Hidetoshi Kawauchi, Ryo Hasegawa, Hirofumi Maruyama