Patents by Inventor Takuya Itou
Takuya Itou 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: 20240097013Abstract: Provided is a semiconductor device capable of reducing switching loss at turn-off while suppressing conduction loss. An emitter p? layer 11, a collector p layer 23, a drift layer 10, an emitter electrode 18, a collector electrode 28, an emitter-side gate electrode 17, an emitter n layer 12, a collector p? layer 23a, a collector-side gate electrode 27, and a collector n layer 22 configure a semiconductor device 1, and a total length of a first facing region of the emitter-side gate electrode 17 in a gate width direction facing an emitter layer p? 11 via a gate insulating film 15 is longer than the total length in the gate width direction of a second facing region of a collector-side gate electrode 27 facing an impurity layer 23a via a collector-side gate insulating film 25.Type: ApplicationFiled: November 16, 2021Publication date: March 21, 2024Inventors: Toshiro Hiramoto, Takuya Saraya, Kiyoshi Takeuchi, Kazuo Itou, Toshihiko Takakura, Munetoshi Fukui, Shinichi Suzuki, Katsumi Satoh, Tomoko Matsudai
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Patent number: 11568313Abstract: An object of the present disclosure is to provide a control apparatus that controls a plurality of communication systems so that the plurality of communication systems can perform analysis with high accuracy. The control apparatus (30) according to the present disclosure includes a communication unit (31) and a determination unit (32). The communication unit (31) receives, from an analysis apparatus (10) configured to perform machine learning using communication logs collected from a communication apparatus in order to generate a learning model, statistical information about each of the communication logs and information about the learning model. The determination unit (32) determines an analysis apparatus (20) to which the information about the learning model is applied based on the statistical information.Type: GrantFiled: December 4, 2018Date of Patent: January 31, 2023Assignee: NEC CORPORATIONInventors: Daisuke Yokoi, Tadashi Ishikawa, Takuya Itou, Ichirou Akimoto
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Publication number: 20210174250Abstract: An object of the present disclosure is to provide a control apparatus that controls a plurality of communication systems so that the plurality of communication systems can perform analysis with high accuracy. The control apparatus (30) according to the present disclosure includes a communication unit (31) and a determination unit (32). The communication unit (31) receives, from an analysis apparatus (10) configured to perform machine learning using communication logs collected from a communication apparatus in order to generate a learning model, statistical information about each of the communication logs and information about the learning model. The determination unit (32) determines an analysis apparatus (20) to which the information about the learning model is applied based on the statistical information.Type: ApplicationFiled: December 4, 2018Publication date: June 10, 2021Applicant: NEC CorporationInventors: Daisuke YOKOI, Tadashi ISHIKAWA, Takuya ITOU, Ichirou AKIMOTO
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Publication number: 20200382383Abstract: An object of the present disclosure is to provide an analysis apparatus capable of solving a problem that the amount of data processing increases and the processing load thus increases. An analysis apparatus (10) according to the present disclosure includes: a prediction unit (13) configured to perform machine learning using past traffic data in a communication system to thereby predict future traffic data in the communication system; an analysis unit (11) configured to analyze the future traffic data using first input data and generate a first analysis result corresponding to a first purpose; and an analysis unit (12) configured to analyze the future traffic data using second input data and generate a second analysis result corresponding to a second purpose.Type: ApplicationFiled: December 4, 2018Publication date: December 3, 2020Applicant: NEC CorporationInventors: Daisuke YOKOI, Tadashi ISHIKAWA, Takuya ITOU, Ichirou AKIMOTO, Yoshinori KITAHARA
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Publication number: 20150280925Abstract: A radio transmission apparatus includes: a radio transmission circuit that performs radio communications; a radio LAN circuit that performs radio LAN communications; a router circuit that processes and transmits data the radio transmission circuit is to supply/receive to/from the radio LAN circuit; power feeding ports for feeding terminals having radio communication functions; a security information storage unit that stores security information; and a control unit. The control unit permits a radio LAN communication by use of a first security mode related to a standardized security authentication and further feeds, from a power feeding port, an authenticated terminal by use of a second security mode related to the connection between the terminal and the power feeding port.Type: ApplicationFiled: October 1, 2013Publication date: October 1, 2015Applicant: NEC CORPORATIONInventor: Takuya Itou
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Publication number: 20150147056Abstract: An object is to provide an optical/wireless communication apparatus capable of communicating with counterpart apparatuses by selectively using optical communication and wireless communication according to the counterpart apparatuses to communicate with, and selecting an arbitrary path and an arbitrary frequency from a plurality of frequencies, and, furthermore, multiplexing signals as may be necessary. An optical/wireless communication apparatus (1) converts a plurality of input baseband signals into optical or electrical signals as may be necessary, modulating respective signals at different frequencies, multiplexing a predetermined number of optical modulated signals and a predetermined number of wireless modulated signals, and transmitting an optical multiplexed signal via a predetermined optical fiber (3 to 5) or a wireless multiplexed signal via a directional antenna (18) to a counterpart apparatus.Type: ApplicationFiled: December 25, 2012Publication date: May 28, 2015Applicant: NEC CORPORATIONInventor: Takuya Itou
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Patent number: 8542128Abstract: A parking assisting apparatus that can reduce a burden of a driver at a preliminary stage of parking. The parking assisting apparatus assists parking of a vehicle and includes an obstacle detector that detects an obstacle near the vehicle and an information outputting mechanism that informs the driver of a parking space adjacent to the obstacle detected by the obstacle detector.Type: GrantFiled: February 28, 2007Date of Patent: September 24, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventors: Yukiko Kawabata, Yasushi Makino, Yuichi Kubota, Tomohiko Endo, Takuya Itou
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Patent number: 8154426Abstract: The present invention is aimed at setting an efficient target track of a vehicle and thus improving convenience of the parking assist. According to the present invention, a parking assisting apparatus for assisting parking a vehicle is provided. The parking assisting apparatus comprises detecting means for detecting a positional relationship between an obstacle near the vehicle and a parking section line painted on the ground. The parking assisting apparatus is configured to vary a target track of the vehicle toward a target parking position based on the detected positional relationship between the obstacle and the parking section line.Type: GrantFiled: February 28, 2007Date of Patent: April 10, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Tomohiko Endo, Yasushi Makino, Yuichi Kubota, Yukiko Kawabata, Takuya Itou
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Publication number: 20090278709Abstract: The present invention is aimed at setting an efficient target track of a vehicle and thus improving convenience of the parking assist. According to the present invention, a parking assisting apparatus for assisting parking a vehicle is provided. The parking assisting apparatus comprises detecting means for detecting a positional relationship between an obstacle near the vehicle and a parking section line painted on the ground. The parking assisting apparatus is configured to vary a target track of the vehicle toward a target parking position based on the detected positional relationship between the obstacle and the parking section line.Type: ApplicationFiled: February 28, 2007Publication date: November 12, 2009Inventors: Tomohiko Endo, Yasushi Makino, Yuichi Kubota, Yukiko Kawabata, Takuya Itou
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Publication number: 20090243888Abstract: A parking assisting apparatus that can reduce a burden of a driver at a preliminary stage of parking. The parking assisting apparatus assists parking of a vehicle and includes an obstacle detector that detects an obstacle near the vehicle and an information outputting mechanism that informs the driver of a parking space adjacent to the obstacle detected by the obstacle detector.Type: ApplicationFiled: February 28, 2007Publication date: October 1, 2009Applicant: Toyota Jidosha Kabushiki KaishaInventors: Yukiko Kawabata, Yasushi Makino, Yuichi Kubota, Tomohiko Endo, Takuya Itou
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Patent number: 5177581Abstract: A light receiving semiconductor device includes a semiconductor substrate of a first conductivity type, a semiconductor layer of a second conductivity type formed on the substrate, isolation regions of the first conductivity type for separating the second conductivity type semiconductor layer into a plurality of islands, at least one of the second conductivity type islands and the first conductivity type substrate constituting a light receiving element, an anti-reflection film covering at least the entire surface of the island of the light receiving element, and a first conductivity type layer formed between the anti-reflection film and the second conductivity type island and extending to the first conductivity type isolation region surrounding the island of the light receiving element.Type: GrantFiled: November 12, 1991Date of Patent: January 5, 1993Assignee: Sharp Kabushiki KaishaInventors: Masaru Kubo, Takuya Itou