Patents by Inventor Takuya Miyashita
Takuya Miyashita 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: 7635538Abstract: A battery includes a battery casing, a lid member, and a pair of terminals. The battery casing has an opening and a battery element stowed in the inside, and is formed of a film material. The lid member is stowed in the opening and is adhered to an opening edge of the battery casing, thereby hermetically sealing the opening. The pair of terminals are provided to the lid member.Type: GrantFiled: May 8, 2006Date of Patent: December 22, 2009Assignee: Mitsubishi Jidosha Kogyo Kabuhsiki KaishaInventors: Hiroyasu Suzuki, Takuya Miyashita
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Publication number: 20090251151Abstract: A battery evaluation method includes: determining a weighting coefficient to be assigned to each of performance capabilities of a battery for each field of application where the battery is used; making amendments to results of measurement of the respective performance capabilities acquired from the battery by means of the weighting coefficient; summating the weighted results of the respective performance capabilities amended by the weighting coefficient for each field of application to compute an application-specific evaluation value; and evaluating the battery for each application based on the application-specific evaluation value.Type: ApplicationFiled: March 6, 2009Publication date: October 8, 2009Inventor: Takuya MIYASHITA
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Patent number: 7460789Abstract: A control method, which is applicable to a variety of network configurations, controls an optical transmission system to determine optimum optical input power to a transmission path for increased optical transmission quality. The optical transmission system has terminal stations, repeaters, dispersion compensation modules, and a dispersion compensation controller. The terminal stations transmit and receive an optical signal through an optical fiber transmission path. The repeaters are disposed in the optical fiber transmission path for amplifying the optical signal. The dispersion compensation modules are disposed in the terminal stations and the repeaters for compensating for dispersion of the optical signal.Type: GrantFiled: December 23, 2004Date of Patent: December 2, 2008Assignee: Fujitsu LimitedInventors: Kaori Odate, Motoyoshi Sekiya, Takuya Miyashita
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Patent number: 7396591Abstract: In a wiring substrate having a metal wiring pattern that is formed on a substrate and includes a contact portion for providing connection to an external element, an organic thin film containing silane is formed to cover the metal wiring pattern and the contact portion is electrically connected to the external element through the organic thing film. Unlike conventional wiring substrates in which a contact portion is uncovered by ripping open or cutting away a protective resin film formed on the contact portion, the wiring substrate can be electrically connected with an external element having a low contact pressure, for example.Type: GrantFiled: June 16, 2006Date of Patent: July 8, 2008Assignee: Japan Aviation Electronics Industry LimitedInventors: Takuya Miyashita, Masafumi Okada, Kenji Matsumoto
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Patent number: 7394993Abstract: In a dispersion compensation quantity setting technique for use in a WDM transmission system, a transmitting terminal node transmits CW light and modulated light obtained by modulation using a modulation pattern signal, while a receiving terminal node detects a physical quantity stemming from cross phase modulation occurring between the transmitting terminal node and the receiving terminal node on the basis of a variation of an intensity of the transmitted CW light and sets a dispersion compensation quantity on the basis of a variation of the detected physical quantity. Moreover, this optimizes the crosstalk, suppresses the output power of transmitted light, eliminates the nonlinear optical effect of the transmitted light, and carries out dispersion compensation superior in cost performance.Type: GrantFiled: August 24, 2004Date of Patent: July 1, 2008Assignee: Fujitsu LimitedInventors: Motoyoshi Sekiya, Takuya Miyashita
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Patent number: 7388876Abstract: In a method for transmitting data from a first node to a second node through an interlinking network including data transmission equipments: the data is transmitted from the first node to one of the data transmission equipments together with a first request for storage of the data in the one of the data transmission equipments; the data is stored in a storage unit provided in the one of the data transmission equipments in response to the first request; a second request for the data is transmitted from the second node to the one of the data transmission equipments; the data is read out from the storage unit in response to the second request; and the data is transmitted from the one of the data transmission equipments to the second node.Type: GrantFiled: April 3, 2002Date of Patent: June 17, 2008Assignee: Fujitsu LimitedInventors: Takuya Miyashita, Chiyoko Komatsu, Yoshinobu Takagi, Hirotaka Morita
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Patent number: 7359645Abstract: In an optical transmission system, each of optical transmission devices for transmitting wavelength-multiplexed light measures a real dispersion quantity. On the basis the real dispersion quantity measured in a measurement step and design dispersion quantities of respective transmission spans, a management control section computes compensation quantities of the respective transmission spans. The management control section notifies the compensation quantities computed in a computation step to the respective optical transmission devices. On the basis of the notified compensation quantities, the respective optical transmission devices compensate for the dispersion quantities. Thereby, optimal dispersion compensating values using a bypass design are acquired individually for optical paths included in WDM light. Dispersion is automatically, dynamically compensated, thereby inhibiting deterioration of a signal.Type: GrantFiled: September 22, 2004Date of Patent: April 15, 2008Assignee: Fujitsu LimitedInventors: Takuya Miyashita, Motoyoshi Sekiya, Ryosuke Goto
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Patent number: 7315511Abstract: Disclosed herein is a SONET/SDH transmitter provided in a transmission system in which a SONET/SDH network and an IP network are connected with optical LAN-IF. The SONET/SDH transmitter has a redundancy transmission line structure consisting of two transmission lines, a K-packet processing section, and a transmitting section. The K-packet processing section is used for generating a specific byte (SONET K1/K2 byte) of data representing transmission-line switching control information about the transmission lines, packetizing the generated data, and outputting a packet. The transmitting section is used for transmitting the packet to the transmitter provided opposite through the transmission lines. This SONET/SDH transmitter further has a redundancy line switching section.Type: GrantFiled: March 26, 2002Date of Patent: January 1, 2008Assignee: Fujitsu limitedInventors: Hirotaka Morita, Yoshinobu Takagi, Takuya Miyashita, Chiyoko Komatsu
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Publication number: 20060292354Abstract: In a wiring substrate having a metal wiring pattern that is formed on a substrate and includes a contact portion for providing connection to an external element, an organic thin film containing silane is formed to cover the metal wiring pattern and the contact portion is electrically connected to the external element through the organic thing film. Unlike conventional wiring substrates in which a contact portion is uncovered by ripping open or cutting away a protective resin film formed on the contact portion, the wiring substrate can be electrically connected with an external element having a low contact pressure, for example.Type: ApplicationFiled: June 16, 2006Publication date: December 28, 2006Applicant: Japan Aviation Electronics Industry LimitedInventors: Takuya Miyashita, Masafumi Okada, Kenji Matsumoto
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Publication number: 20060257730Abstract: A battery includes a battery casing, a lid member, and a pair of terminals. The battery casing has an opening and a battery element stowed in the inside, and is formed of a film material. The lid member is stowed in the opening and is adhered to an opening edge of the battery casing, thereby hermetically sealing the opening. The pair of terminals are provided to the lid member.Type: ApplicationFiled: May 8, 2006Publication date: November 16, 2006Inventors: Hiroyasu Suzuki, Takuya Miyashita
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Publication number: 20060154074Abstract: In a method of forming by drawing a wiring pattern on a board by drip feeding a liquid solution including an electrically conductive constituent, there is used, for the board, a board with elemental oxygen included in a surface of the board, the surface having a critical surface tension at 25° C. of less than 25 dyn/cm, and for the liquid solution, there is used a liquid solution having a surface tension which is greater than the aforementioned critical surface tension. With the method, it is possible to combine drawability and adherence.Type: ApplicationFiled: December 20, 2005Publication date: July 13, 2006Applicant: Japan Aviation Electronics Industry LimitedInventor: Takuya Miyashita
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Publication number: 20060013589Abstract: A control method, which is applicable to a variety of network configurations, controls an optical transmission system to determine optimum optical input power to a transmission path for increased optical transmission quality. The optical transmission system has terminal stations, repeaters, dispersion compensation modules, and a dispersion compensation controller. The terminal stations transmit and receive an optical signal through an optical fiber transmission path. The repeaters are disposed in the optical fiber transmission path for amplifying the optical signal. The dispersion compensation modules are disposed in the terminal stations and the repeaters for compensating for dispersion of the optical signal.Type: ApplicationFiled: December 23, 2004Publication date: January 19, 2006Applicant: Fujitsu LimitedInventors: Kaori Odate, Motoyoshi Sekiya, Takuya Miyashita
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Publication number: 20050244164Abstract: In an optical transmission system, each of optical transmission devices for transmitting wavelength-multiplexed light measures a real dispersion quantity. On the basis the real dispersion quantity measured in a measurement step and design dispersion quantities of respective transmission spans, a management control section computes compensation quantities of the respective transmission spans. The management control section notifies the compensation quantities computed in a computation step to the respective optical transmission devices. On the basis of the notified compensation quantities, the respective optical transmission devices compensate for the dispersion quantities. Thereby, optimal dispersion compensating values using a bypass design are acquired individually for optical paths included in WDM light. Dispersion is automatically, dynamically compensated, thereby inhibiting deterioration of a signal.Type: ApplicationFiled: September 22, 2004Publication date: November 3, 2005Applicant: Fujitsu LimitedInventors: Takuya Miyashita, Motoyoshi Sekiya, Ryosuke Goto
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Publication number: 20050238362Abstract: In a dispersion compensation quantity setting technique for use in a WDM transmission system, a transmitting terminal node transmits CW light and modulated light obtained by modulation using a modulation pattern signal, while a receiving terminal node detects a physical quantity stemming from cross phase modulation occurring between the transmitting terminal node and the receiving terminal node on the basis of a variation of an intensity of the transmitted CW light and sets a dispersion compensation quantity on the basis of a variation of the detected physical quantity. Moreover, this optimizes the crosstalk, suppresses the output power of transmitted light, eliminates the nonlinear optical effect of the transmitted light, and carries out dispersion compensation superior in cost performance.Type: ApplicationFiled: August 24, 2004Publication date: October 27, 2005Applicant: Fujitsu LimitedInventors: Motoyoshi Sekiya, Takuya Miyashita
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Patent number: 6851868Abstract: There is provided an optical connector module of which an optical transmission/reception wafer and an optical waveguide wafer can be registered with each other easily and accurately without misregistration. An optical transmission/reception wafer has guide pin-receiving V-grooves with a V-shaped cross-section, formed at locations preset in association with an optical transmission/reception end of an optical transmission/reception section. An optical waveguide-side connector has an optical waveguide wafer formed with guide pin-receiving V-grooves in association with the guide pin-receiving V-grooves of the optical transmission/reception wafer. Wafer registration guide pins are inserted in these guide pin-receiving V-grooves, and the optical transmission/reception wafer and the optical waveguide wafer are brought close for interconnection such that these guide pins are tightly sandwiched by the guide pin-receiving grooves.Type: GrantFiled: June 20, 2003Date of Patent: February 8, 2005Assignee: Japan Aviation Electronics Industry, LimitedInventors: Yuichi Koreeda, Hiroaki Koshizuka, Ryoji Kaku, Takao Mase, Takuya Miyashita
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Publication number: 20040258366Abstract: There is provided an optical connector module of which an optical transmission/reception wafer and an optical waveguide wafer can be registered with each other easily and accurately without misregistration. An optical transmission/reception wafer has guide pin-receiving V-grooves with a V-shaped cross-section, formed at locations preset in association with an optical transmission/reception end of an optical transmission/reception section. An optical waveguide-side connector has an optical waveguide wafer formed with guide pin-receiving V-grooves in association with the guide pin-receiving V-grooves of the optical transmission/reception wafer. Wafer registration guide pins are inserted in these guide pin-receiving V-grooves, and the optical transmission/reception wafer and the optical waveguide wafer are brought close for interconnection such that these guide pins are tightly sandwiched by the guide pin-receiving grooves.Type: ApplicationFiled: June 20, 2003Publication date: December 23, 2004Applicant: Japan Aviation Electronics Industry LtdInventors: Yuichi Koreeda, Hiroaki Koshizuka, Ryoji Kaku, Takao Mase, Takuya Miyashita
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Patent number: 6647184Abstract: There are provided an optical waveguide device in which a plurality of PLC type optical waveguide chips are optically coupled to one another at high accuracy by passive alignment, and a method of manufacturing the device. A plurality of optical waveguide chips are formed by cutting an optical waveguide device comprising an optical waveguide substrate having an optical waveguide of a predetermined pattern formed thereon and guide grooves formed on both sides of the optical waveguide on the optical waveguide substrate in the longitudinal direction thereof, in the direction of traversing the optical waveguide substrate at substantially right angle thereto and passing through an intersection of the optical waveguide.Type: GrantFiled: January 18, 2002Date of Patent: November 11, 2003Assignee: Japan Aviation Electronics Industry LimitedInventors: Mitsuo Ukechi, Takuya Miyashita
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Publication number: 20030091057Abstract: In a method for transmitting data from a first node to a second node through an interlinking network including data transmission equipments: the data is transmitted from the first node to one of the data transmission equipments together with a first request for storage of the data in the one of the data transmission equipments; the data is stored in a storage unit provided in the one of the data transmission equipments in response to the first request; a second request for the data is transmitted from the second node to the one of the data transmission equipments; the data is read out from the storage unit in response to the second request; and the data is transmitted from the one of the data transmission equipments to the second node.Type: ApplicationFiled: April 3, 2002Publication date: May 15, 2003Inventors: Takuya Miyashita, Chiyoko Komatsu, Yoshinobu Takagi, Hirotaka Morita
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Publication number: 20030076857Abstract: Disclosed herein is a SONET/SDH transmitter provided in a transmission system in which a SONET/SDH network and an IP network are connected with optical LAN-IF. The SONET/SDH transmitter has a redundancy transmission line structure consisting of two transmission lines, a K-packet processing section, and a transmitting section. The K-packet processing section is used for generating a specific byte (SONET K1/K2 byte) of data representing transmission-line switching control information about the transmission lines, packetizing the generated data, and outputting a packet. The transmitting section is used for transmitting the packet to the transmitter provided opposite through the transmission lines. This SONET/SDH transmitter further has a redundancy line switching section.Type: ApplicationFiled: March 26, 2002Publication date: April 24, 2003Inventors: Hirotaka Morita, Yoshinobu Takagi, Takuya Miyashita, Chiyoko Komatsu
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Publication number: 20020097963Abstract: There are provided an optical waveguide device in which a plurality of PLC type optical waveguide chips are optically coupled to one another at high accuracy by passive alignment, and a method of manufacturing the device. A plurality of optical waveguide chips are formed by cutting an optical waveguide device comprising an optical waveguide substrate having an optical waveguide of a predetermined pattern formed thereon and guide grooves formed on both sides of the optical waveguide on the optical waveguide substrate in the longitudinal direction thereof, in the direction of traversing the optical waveguide substrate at substantially right angle thereto and passing through an intersection of the optical waveguide.Type: ApplicationFiled: January 18, 2002Publication date: July 25, 2002Inventors: Mitsuo Ukechi, Takuya Miyashita