Patents by Inventor Taku Takaki
Taku Takaki 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: 12106467Abstract: An inspection apparatus for coke oven construction that is configured to check accuracy after refractories are laid in oven construction work for updating or newly creating a coke oven that produces coke. The inspection apparatus includes an image capturing device configured to acquire an image of a work area where oven construction work is in progress, measurement region determining means configured to identify a work-completed area where laying work has been completed on the basis of the image of the work area acquired by the image capturing device, and determine the identified work-completed area as a measurement region, and a refractory position measuring device configured to check laying accuracy by measuring positions of laid refractories in the measurement region determined by the measurement region determining means.Type: GrantFiled: March 24, 2020Date of Patent: October 1, 2024Assignee: JFE STEEL CORPORATIONInventors: Yuki Takaki, Junichi Yotsuji, Taku Watanabe
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Patent number: 8531059Abstract: In wireless power transfer with applying magnetic resonance therein, for suppressing deterioration of transfer efficiency, with lessening fluctuation of the resonance frequency when a distance between coils is close to, coils are so position that a supply-side power supply coil 101 and a load-side power supply coil 102 are inserted between a supply-side magnetic resonance coil 1 and a load-side magnetic resonance coil 2.Type: GrantFiled: November 16, 2009Date of Patent: September 10, 2013Assignee: Hitachi Consumer Electronics Co., Ltd.Inventors: Katsuei Ichikawa, Taku Takaki
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Patent number: 8405486Abstract: In wireless electric power transmission and reception, the efficiency of transmission and reception is improved and a device to which electric power can be supplied is specified to improve security. Two antennas with different resonance frequencies are provided, and the resonance frequencies of a reception loop and a reception coil of a receiver are corrected in accordance with a reception status of a carrier transmitted from a transmitter to improve the efficiency of transmission and reception. Further, data transmitted from the transmitter are demodulated on the basis of the reception levels of two antennas with different resonance frequencies, and the data are transmitted to the transmitter using a reflective wave to perform data transmission and reception. By using this, device authentication is performed, and security is improved.Type: GrantFiled: November 16, 2009Date of Patent: March 26, 2013Assignee: Hitachi, Ltd.Inventors: Masaaki Yamada, Taku Takaki, Yuhei Niwa
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Patent number: 7945232Abstract: When switching over from a portable telephone system of 800 MHz band to a UWB communication system of 9 GHz band, depending upon a signal for changing over a high pass filter and a low pass filter, a reactance element, which is determined to be matching with a load Z of the high pass filter, is connected to an output terminal of a transmitting power amplifier. With this, it is possible to achieve a multi-band or multi-mode wireless receiver of using a frequency band from 800 MHz to 10 GHz, without an enlargement of a circuit scale and an increase of costs.Type: GrantFiled: June 27, 2007Date of Patent: May 17, 2011Assignee: Hitachi Media Electronics Co., Ltd.Inventors: Yoshikazu Sugiyama, Satoshi Adachi, Yusaku Katsube, Masazumi Tone, Taku Takaki
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Publication number: 20100164295Abstract: In wireless power transfer with applying magnetic resonance therein, for suppressing deterioration of transfer efficiency, with lessening fluctuation of the resonance frequency when a distance between coils is close to, coils are so position that a supply-side power supply coil 101 and a load-side power supply coil 102 are inserted between a supply-side magnetic resonance coil 1 and a load-side magnetic resonance coil 2.Type: ApplicationFiled: November 16, 2009Publication date: July 1, 2010Inventors: Katsuei ICHIKAWA, Taku Takaki
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Publication number: 20100148939Abstract: In wireless electric power transmission and reception, the efficiency of transmission and reception is improved and a device to which electric power can be supplied is specified to improve security. Two antennas with different resonance frequencies are provided, and the resonance frequencies of a reception loop and a reception coil of a receiver are corrected in accordance with a reception status of a carrier transmitted from a transmitter to improve the efficiency of transmission and reception. Further, data transmitted from the transmitter are demodulated on the basis of the reception levels of two antennas with different resonance frequencies, and the data are transmitted to the transmitter using a reflective wave to perform data transmission and reception. By using this, device authentication is performed, and security is improved.Type: ApplicationFiled: November 16, 2009Publication date: June 17, 2010Inventors: Masaaki YAMADA, Taku Takaki, Yuhei Niwa
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Publication number: 20100151914Abstract: Disclosed is an information processing terminal that is capable of receiving television and other broadcasts and providing increased user-friendliness. The information processing terminal, which is capable of communicating with another device; comprising a broadcast receiver which receives a broadcast signal that contains program identification information for specifying a program and/or program scene identification information for specifying a scene of the program and the video information of the program; a display which outputs the broadcast signal that is received by the broadcast receiver; and a storage which extracts the program identification information and/or program scene identification information from the broadcast signal received by the broadcast receiver and stores the extracted information while the display outputs the video information.Type: ApplicationFiled: March 1, 2010Publication date: June 17, 2010Applicant: HITACHI, LTD.Inventors: Makoto KATAGISHI, Taku Takaki, Osamu Hasegawa
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Patent number: 7453703Abstract: The present invention is to provide a small-sized electronic component module in which RF units of a mobile phone for multi-band and multi-system are integrated at low cost. In the RF module, an RF transceiver LSI, a SAW chip, and chip components are mounted on a module board. The SAW chip is mounted on the module board so that a cavity is formed between itself and the module board, and the SAW chip and other components such as the RF transceiver LSI and the chip components are adhered to the module board at their peripheral portions by a sheet-like sealing material, and they are directly covered with the sheet-like sealing material from outside thereof.Type: GrantFiled: October 28, 2005Date of Patent: November 18, 2008Assignee: Renesas Technology Corp.Inventors: Yoshikazu Sugiyama, Taku Takaki
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Patent number: 7440747Abstract: Embodiments of the invention provide communication devices and methods with improved usability. In one embodiment, a communication device comprises a storage unit configured to store an input time, a transmission destination, and a first message; a clock function unit configured to reference a current time; an input unit configured to receive input from a user; a notification unit configured to provide notification to the user; and a transmission unit configured to transmit the first message stored in the storage unit to the transmission destination.Type: GrantFiled: February 18, 2004Date of Patent: October 21, 2008Assignee: Hitachi, Ltd.Inventors: Taku Takaki, Makato Katagishi
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Patent number: 7377428Abstract: A communication terminal for connecting or mounting an IC card or the like to examine a ticket through a non-contact communication. The communication terminal includes a function for receiving information stored in the IC card or the like in the ticket examination process and controlling itself automatically. The communication terminal can automatically display the validity of a pass and/or the balance of a prepaid sum in a ticket. Also, the communication terminal can register a specific station so that an email in a pre-registered format is created or sent automatically in the ticket examination process at the registered station.Type: GrantFiled: July 21, 2005Date of Patent: May 27, 2008Assignee: Hitachi, Ltd.Inventors: Taku Takaki, Makoto Katagishi, Osamu Hasegawa
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Publication number: 20080119153Abstract: When switching over from a portable telephone system of 800 MHz band to a UWB communication system of 9 GHz band, depending upon a signal for changing over a high pass filter and a low pass filter, a reactance element, which is determined to be matching with a load Z of the high pass filter, is connected to an output terminal of a transmitting power amplifier. With this, it is possible to achieve a multi-band or multi-mode wireless receiver of using a frequency band from 800 MHz to 10 GHz, without an enlargement of a circuit scale and an increase of costs.Type: ApplicationFiled: June 27, 2007Publication date: May 22, 2008Inventors: Yoshikazu Sugiyama, Satoshi Adachi, Yusaku Katsube, Masazumi Tone, Taku Takaki
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Patent number: 7139533Abstract: Embodiments of the present invention are directed to a mobile communication device that includes a plurality of antennas for receiving signals and is configured to reduce the deterioration of the antennas characteristics. In specific embodiments the mobile device is a folding type mobile communication terminal having the structure that permits easy opening or closing and enabling stabilization of the antenna characteristic. In one embodiment, a mobile communication device comprises a plurality of antennas configured to receive signals; a signal processing circuit configured to combine and process the signals received from the plurality of antennas; and a phase alignment circuit provided for each of the plurality of antennas and configured to subject a phase of a signal received by each of the plurality of antennas to an in-phase adjustment.Type: GrantFiled: August 15, 2003Date of Patent: November 21, 2006Assignee: Hitachi, Ltd.Inventors: Makoto Katagishi, Taku Takaki, Yutaka Chiba, Masanobu Kumekawa, Kazunori Hoshino
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Publication number: 20060099390Abstract: The present invention is to provide a small-sized electronic component module in which RF units of a mobile phone for multi-band and multi-system are integrated at low cost. In the RF module, an RF transceiver LSI, a SAW chip, and chip components are mounted on a module board. The SAW chip is mounted on the module board so that a cavity is formed between itself and the module board, and the SAW chip and other components such as the RF transceiver LSI and the chip components are adhered to the module board at their peripheral portions by a sheet-like sealing material, and they are directly covered with the sheet-like sealing material from outside thereof.Type: ApplicationFiled: October 28, 2005Publication date: May 11, 2006Inventors: Yoshikazu Sugiyama, Taku Takaki
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Publication number: 20050252964Abstract: A communication terminal for connecting or mounting an IC card or the like to examine a ticket through a non-contact communication. The communication terminal includes a function for receiving information stored in the IC card or the like in the ticket examination process and controlling itself automatically. The communication terminal can automatically display the validity of a pass and/or the balance of a prepaid sum in a ticket. Also, the communication terminal can register a specific station so that an email in a pre-registered format is created or sent automatically in the ticket examination process at the registered station.Type: ApplicationFiled: July 21, 2005Publication date: November 17, 2005Applicant: HITACHI, LTD.Inventors: Taku Takaki, Makoto Katagishi, Osamu Hasegawa
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Publication number: 20050079862Abstract: The present invention is a signal processing system for a wireless communication signal to provide a mobile terminal device capable of promoting the prohibition and limitation of communication functions. The signal processing system uses a mobile terminal device, a server, and a network base station transmitting the wireless communication signal. In exchange for predetermined contents transmitted from the server being received by the mobile terminal device, the wireless communication signal transmitted from the network base station to the mobile terminal device is not received in the mobile terminal device.Type: ApplicationFiled: March 18, 2004Publication date: April 14, 2005Inventors: Taku Takaki, Makoto Katagishi
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Publication number: 20040174857Abstract: Embodiments of the invention provide communication devices and methods with improved usability. In one embodiment, a communication device comprises a storage unit configured to store an input time, a transmission destination, and a first message; a clock function unit configured to reference a current time; an input unit configured to receive input from a user; a notification unit configured to provide notification to the user; and a transmission unit configured to transmit the first message stored in the storage unit to the transmission destination.Type: ApplicationFiled: February 18, 2004Publication date: September 9, 2004Applicant: HITACHI, LTD.Inventors: Taku Takaki, Makoto Katagishi
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Publication number: 20040107447Abstract: Disclosed is an information processing terminal that is capable of receiving television and other broadcasts and providing increased user-friendliness. The information processing terminal, which is capable of communicating with another device, comprising a broadcast receiver which receives a broadcast signal that contains program identification information for specifying a program and/or program scene identification information for specifying a scene of the program and the video information of the program; a display which outputs the broadcast signal that is received by the broadcast receiver; and a storage which extracts the program identification information and/or program scene identification information from the broadcast signal received by the broadcast receiver and stores the extracted information while the display outputs the video information.Type: ApplicationFiled: July 15, 2003Publication date: June 3, 2004Inventors: Makoto Katagishi, Taku Takaki, Osamu Hasegawa
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Publication number: 20040104267Abstract: A communication terminal for connecting or mounting an IC card or the like to examiner a ticket through a non-contact communication. The communication terminal includes a function for receiving information stored in the IC card or the like in the ticket examination process and controlling itself automatically. The communication terminal can automatically display the validity of a pass and/or the balance of a prepaid sum in a ticket. Also, the communication terminal can register a specific station so that an email in a pre-registered format is created or sent automatically in the ticket examination process at the registered station.Type: ApplicationFiled: May 15, 2003Publication date: June 3, 2004Inventors: Taku Takaki, Makoto Katagishi, Osamu Hasegawa
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Publication number: 20040063476Abstract: Embodiments of the present invention are directed to a mobile communication device that includes a plurality of antennas for receiving signals and is configured to reduce the deterioration of the antennas characteristics. In specific embodiments the mobile device is a folding type mobile communication terminal having the structure that permits easy opening or closing and enabling stabilization of the antenna characteristic. In one embodiment, a mobile communication device comprises a plurality of antennas configured to receive signals; a signal processing circuit configured to combine and process the signals received from the plurality of antennas; and a phase alignment circuit provided for each of the plurality of antennas and configured to subject a phase of a signal received by each of the plurality of antennas to an in-phase adjustment.Type: ApplicationFiled: August 15, 2003Publication date: April 1, 2004Applicant: HITACHI, LTD.Inventors: Makoto Katagishi, Taku Takaki, Yutaka Chiba, Masanobu Kumekawa, Kazunori Hoshino
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Publication number: 20040047306Abstract: A communication terminal having: an antenna duplexer in which a low-pass filter using a first frequency band as a pass band and a high-pass filter using a second frequency band as a pass band are connected to an antenna, a radio frequency switch for switching a signal of the first frequency band in accordance with transmission and reception timings of the TDMA is provided, and a radio frequency switch for switching a signal of the second frequency band in accordance with the transmission and reception timings of the TDMA and switching a connecting destination to the connection to the duplexer upon CDMA communication is provided; and a controller for controlling the switching operation of the radio frequency switches provided in the antenna duplexer in an interlocking relational manner with the switching of a communication mode of a modulator/demodulator.Type: ApplicationFiled: September 5, 2002Publication date: March 11, 2004Applicant: Hitachi, Ltd.Inventors: Makoto Katagishi, Yoshikazu Sugiyama, Taku Takaki, Osamu Hasegawa