Patents by Inventor Yoshiyasu Sato
Yoshiyasu Sato 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: 20240094459Abstract: An optical waveguide includes a diamond layer including a first surface, a second surface and a diamond layer including a complex defect; a first clad layer in contact with the first surface; a second clad layer in contact with the second surface and including a polarity; and a metal layer in Schottky contact with the second clad layer.Type: ApplicationFiled: November 29, 2023Publication date: March 21, 2024Applicant: FUJITSU LIMITEDInventors: Tetsuro ISHIGURO, Tetsuya MIYATAKE, Kenichi KAWAGUCHI, Toshiki IWAI, Yoshiyasu DOI, Shintaro SATO
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Publication number: 20240012219Abstract: An object of the present disclosure is to make it possible to adjust a balance of tension applied to an optical cable fixed to a utility pole. A disclosed utility pole includes: a through hole (12) that is disposed on an upper side of a utility pole (10) and through which optical cable (21) can pass; and a cap (22) disposed in a gap between the through hole (12) and the optical cable (21), in which the cap (22) is fixed to the through hole (12).Type: ApplicationFiled: November 6, 2020Publication date: January 11, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Wataru KOKUBO, Yoshiyasu SATO, Tatsuya MOKI, Hidenobu HIROTA, Kenji INOUE
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Publication number: 20230192450Abstract: An object of the present disclosure is to provide a utility pole rotation apparatus and a position control method that can reduce not only the number of workers for adjusting an orientation of a scaffold bolt (an orientation of a side surface of the utility pole) but also the number of workers for stopping swinging of the utility pole, which cannot be simultaneously reduced in the related art. The utility pole rotation apparatus according to the present disclosure includes a gripping portion that grips a utility pole, and a roller having a cylindrical shape that contacts the utility pole at an inner side of the gripping portion and rotates the utility pole with a longitudinal direction serving as an axis due to rotation of the roller.Type: ApplicationFiled: May 25, 2020Publication date: June 22, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Tatsuya MOKI, Takashi EBINE, Hidenobu HIROTA, Yoshiyasu SATO
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Gas supply system, plasma processing apparatus, and operation method for plasma processing apparatus
Patent number: 10472717Abstract: A gas supply system includes a first device to a third device. A plurality of integral units of the first device is configured to select one or more gases from one or more gas sources and supply the selected gases. The second device is configured to distribute plural gases from the integral units and supply the distributed gases while controlling flow rates of the distributed gases. The third device is configured to exhaust the gases within the gas supply system to a gas exhaust device.Type: GrantFiled: August 6, 2015Date of Patent: November 12, 2019Assignee: TOKYO ELECTRON LIMITEDInventors: Atsushi Sawachi, Norikazu Sasaki, Jun Yamashima, Yoshiyasu Sato, Kenichi Nogami -
Patent number: 10229844Abstract: Throughput of the processing can be improved. A gas supply system includes a plurality of element devices which constitute the gas supply system and a base 212 on which the plurality of element devices are disposed. Some of the element devices are disposed on a surface 212a of the base 212, and the others are disposed on a surface 212b of the base 212, which is opposite to the surface 212a of the base 212. The plurality of element devices may be implemented by, for example, a flow rate controller FD and a secondary valve FV2. The secondary valve FV2 is disposed on the surface 212b, which is opposite to the surface 212a of the base 212 where the flow rate controller FD is disposed.Type: GrantFiled: June 16, 2016Date of Patent: March 12, 2019Assignee: TOKYO ELECTRON LIMITEDInventors: Atsushi Sawachi, Norihiko Amikura, Yoshiyasu Sato
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GAS SUPPLY SYSTEM, PLASMA PROCESSING APPARATUS, AND OPERATION METHOD FOR PLASMA PROCESSING APPARATUS
Publication number: 20170159180Abstract: A gas supply system includes a first device to a third device. A plurality of integral units of the first device is configured to select one or more gases from one or more gas sources and supply the selected gases. The second device is configured to distribute plural gases from the integral units and supply the distributed gases while controlling flow rates of the distributed gases. The third device is configured to exhaust the gases within the gas supply system to a gas exhaust device.Type: ApplicationFiled: August 6, 2015Publication date: June 8, 2017Inventors: Atsushi Sawachi, Norikazu Sasaki, Jun Yamashima, Yoshiyasu Sato, Kenichi Nogami -
Publication number: 20160372348Abstract: Throughput of the processing can be improved. A gas supply system includes a plurality of element devices which constitute the gas supply system and a base 212 on which the plurality of element devices are disposed. Some of the element devices are disposed on a surface 212a of the base 212, and the others are disposed on a surface 212b of the base 212, which is opposite to the surface 212a of the base 212. The plurality of element devices may be implemented by, for example, a flow rate controller FD and a secondary valve FV2. The secondary valve FV2 is disposed on the surface 212b, which is opposite to the surface 212a of the base 212 where the flow rate controller FD is disposed.Type: ApplicationFiled: June 16, 2016Publication date: December 22, 2016Inventors: Atsushi Sawachi, Norihiko Amikura, Yoshiyasu Sato
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Patent number: 9324542Abstract: In a plasma processing apparatus of an exemplary embodiment, energy of microwaves is introduced from an antenna into the processing container through a dielectric window. The plasma processing apparatus includes a central introducing unit and a peripheral introducing unit. A central introduction port of the central introducing unit injects a gas just below the dielectric window. A plurality of peripheral introduction ports of the peripheral introducing unit injects a gas towards a periphery of the placement region. The central introducing unit is connected to with a plurality of first gas sources including a reactive gas source and a rare gas source through a plurality of first flow rate control units. The peripheral introducing unit is connected to with a plurality of second gas sources including a reactive gas source and a rare gas source through a plurality of second flow rate control units.Type: GrantFiled: September 20, 2013Date of Patent: April 26, 2016Assignee: TOKYO ELECTRON LIMITEDInventors: Naoki Matsumoto, Yugo Tomita, Naoki Mihara, Kazuki Takahashi, Michitaka Aita, Jun Yoshikawa, Takahiro Senda, Yoshiyasu Sato, Kazuyuki Kato, Kenji Sudou, Hitoshi Mizusugi
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Publication number: 20150228459Abstract: In a plasma processing apparatus of an exemplary embodiment, energy of microwaves is introduced from an antenna into the processing container through a dielectric window. The plasma processing apparatus includes a central introducing unit and a peripheral introducing unit. A central introduction port of the central introducing unit injects a gas just below the dielectric window. A plurality of peripheral introduction ports of the peripheral introducing unit injects a gas towards a periphery of the placement region. The central introducing unit is connected to with a plurality of first gas sources including a reactive gas source and a rare gas source through a plurality of first flow rate control units. The peripheral introducing unit is connected to with a plurality of second gas sources including a reactive gas source and a rare gas source through a plurality of second flow rate control units.Type: ApplicationFiled: September 20, 2013Publication date: August 13, 2015Applicant: TOKYO ELECTRON LIMITEDInventors: Naoki Matsumoto, Yugo Tomita, Naoki Mihara, Kazuki Takahashi, Michitaka Aita, Jun Yoshikawa, Takahiro Senda, Yoshiyasu Sato, Kazuyuki Kato, Kenji Sudou, Hitoshi Mizusugi
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Patent number: 8535195Abstract: A transmission device capable of transmitting power applied to an input shaft to an output shaft while changing a speed ratio to a plurality of stages, including a single-pinion type first planetary gear mechanism; a single-pinion type second planetary gear mechanism; a third planetary gear mechanism; a case that accommodates the first, second, and third planetary gear mechanisms; first and second clutches; and first and second brakes. A first carrier of the first planetary gear mechanism and a second ring gear of the second planetary gear mechanism are coupled together through a coupling member that extends circumferentially inward from the second ring gear, and the second ring gear is coupled to a second brake hub that configures the second brake through the first carrier.Type: GrantFiled: April 13, 2012Date of Patent: September 17, 2013Assignee: Aisin Aw Co., Ltd.Inventors: Tsuyoshi Fukaya, Yoshiyasu Sato, Tomohide Suzuki
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Publication number: 20120264561Abstract: A transmission device capable of transmitting power applied to an input shaft to an output shaft while changing a speed ratio to a plurality of stages, including a single-pinion type first planetary gear mechanism; a single-pinion type second planetary gear mechanism; a third planetary gear mechanism; a case that accommodates the first, second, and third planetary gear mechanisms; first and second clutches; and first and second brakes. A first carrier of the first planetary gear mechanism and a second ring gear of the second planetary gear mechanism are coupled together through a coupling member that extends circumferentially inward from the second ring gear, and the second ring gear is coupled to a second brake hub that configures the second brake through the first carrier.Type: ApplicationFiled: April 13, 2012Publication date: October 18, 2012Applicant: AISIN AW CO., LTD.Inventors: Tsuyoshi FUKAYA, Yoshiyasu SATO, Tomohide SUZUKI
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Publication number: 20090207787Abstract: A radio base station capable of performing an optimum scheduling suitable for an outside situation. The radio base station, which has a scheduling table (125) in which it is designated what scheduling should be performed, temporally and dynamically changes scheduling methods to be used by a scheduling pattern selecting part (124), based on outside information (disaster situation, traffic situation, weather information, event information, etc.) determined by a intra-cell environment determining part (122) and also based on a request packet ratio from a request ratio determining part (123). In this way, an optimum scheduling can be performed in accordance with the latest situation in the cell.Type: ApplicationFiled: February 14, 2006Publication date: August 20, 2009Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Yoshiyasu Sato, Toshiteru Hayashi
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Publication number: 20080095540Abstract: An object of the invention is to clear up factors in deterioration due to optical reflection and to provide an optical transmission apparatus and an optical transmission system in which a superior optical transmission characteristic can be obtained for analog signals even if a reflection phenomenon occurs in an optical transmission line. There are provided a frequency converter (3) for converting the frequency band of a to-be-transmitted electric signal into a predetermined frequency band higher that this frequency band, and a semiconductor laser (4) serving as an electro-optic converter for performing electro-optic conversion upon the frequency-converted electric signal.Type: ApplicationFiled: June 2, 2005Publication date: April 24, 2008Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Katsuya Oda, Hitomaro Tohgoh, Yoshiyasu Sato, Hiroaki Asano
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Publication number: 20080031635Abstract: An object of the present invention is to provide an optical transmitter that can suppress degradation of distortion characteristic and RIN characteristic caused by relaxation oscillation at high temperature by controlling average driving current of a light emitting element so that the average optical output power of the light emitting element is increased as the temperature increases like a case where the environmental temperature around the light emitting element increases.Type: ApplicationFiled: December 6, 2004Publication date: February 7, 2008Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Hitomaro Tohgoh, Katsuya Oda, Yoshiyasu Sato, Hiroaki Asano
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Publication number: 20070197258Abstract: Up and down signal levels in a wireless base station and a forward base station can be automatically adjusted into predetermined levels respectively with a simple configuration. In an interface portion 12, a pilot signal P of a predetermined level is generated by a pilot signal generator 120, and multiplexed with a down transmission signal 111 from a wireless base station 11 by a multiplexer 121. The multiplexed signal is amplified with a constant gain by a down signal amplifier 122, then converted into a down optical signal by an electro-optic converter 123, wavelength-multiplexed by an optical multi/demultiplexer 124, sent out to an optical fiber 15, and transmitted to a forward base station 13. In the forward base station 13, the down optical signal wavelength-demultiplexed by an optical multi/demultiplexer 124 is converted into a down electric signal by an opto-electric converter 125, and the pilot signal P is demultiplexed by a demultiplexer 133.Type: ApplicationFiled: June 2, 2005Publication date: August 23, 2007Applicant: Matsushita Electric Industrial Co., LtdInventors: Katsuya Oda, Hitomaro Tohgoh, Yoshiyasu Sato, Hiroaki Asano
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Publication number: 20070064761Abstract: Optical transmission apparatus 100 is provided with laser element 101 and optical fiber 102 and has an optimum position where the efficiency of optical coupling between laser element 101 and optical fiber 102 becomes a maximum. Laser element 101 and optical fiber 102 are fixed at positions shifted from the optimum position in the direction of the optical axis by a value within a range from 10 ?m to 150 ?m. It is possible to construct the apparatus such that outgoing light of laser element 101 is not parallel to the optical axis of outgoing light from an end face of optical fiber 102 and the outgoing light of laser element 101 is not parallel to the optical axis of light reflected on the end face of optical fiber 102.Type: ApplicationFiled: October 25, 2004Publication date: March 22, 2007Applicant: Matsushita Electric Industrial Co., LTD.Inventors: Hitomaro Togo, Katsuya Oda, Yoshiyasu Sato, Hiroaki Asano
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Publication number: 20060245696Abstract: A technique to improve degree of freedom in mounting an electrode of an optical device on a wiring substrate without being affected by an angle in the optical fiber circumferential direction of the optical device provided for an optical module is disclosed. According to the technique, an optical device 5, from which a plurality of electrodes 61 to 64 protrude; and a wiring substrate 7, in which a plurality of electrical wirings 10 to connect to the respective plurality of electrodes are formed approximately concentrically are included. Respective ends of the electrodes are connected to the respective plurality of electrical wirings so that distances between the respective ends of the plurality of electrodes and the center of the optical device are different from each other.Type: ApplicationFiled: March 5, 2004Publication date: November 2, 2006Applicant: Matsushita Electric Industrial Co., Ltd.Inventors: Yoshiyasu Sato, Hitomaro Tougu, Hiroaki Asano
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Publication number: 20060147158Abstract: A technique to prevent return light by an inexpensive construction in an optical module is disclosed. According to this technique, at the end face of a cylindrical metal part made of SUS 303, a hole to expose the end of an optical fiber wire 2 is formed, and then a hole to let through an optical fiber 1 is made to fabricate a cylindrical metal ferrule 3. Further, in a cylindrical metal part made of SUS 304, a hole to let through the optical fiber and the metal ferrule 3 is formed to fabricate a metal ferrule 4. The metal ferrule 3 is inserted and jointed into a cavity section of the metal ferrule 4 by press fitting or the like. Further, the optical fiber is inserted in the holes of the metal ferrules 3 and 4 so that the optical fiber wire is exposed from an end face of the metal ferrule 3. The gap between the optical fiber and the metal ferrules 3, 4 is jointed by an adhesive 17.Type: ApplicationFiled: March 8, 2004Publication date: July 6, 2006Applicant: Matsushita Electric Industrial Co., Ltd.Inventors: Yoshiyasu Sato, Hitomaro Tougou
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Patent number: 6236790Abstract: There is provided an optical-fiber; and a cylinder body which is made from a cylindrically formed belt-shaped material and made of resin and which accommodates the optical-fiber therein.Type: GrantFiled: March 25, 1999Date of Patent: May 22, 2001Assignees: Fujikura Ltd., Nippon Telegraph and Telephone CorporationInventors: Naoki Okada, Hirohito Watanabe, Matsuhiro Miyamoto, Yoshiyasu Sato, Koichiro Watanabe, Hideyuki Iwata
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Patent number: 5457803Abstract: A bit field logic operation unit which performs a logic operation accompanied by a masking operation comprises a logic operation part, a mask pattern generation part, and a bit map operation part. All parts are constituted by dynamic circuit constructions where the processes are performed in a preset period and an active period. The preset periods of the logic operation part and the mask pattern generation part are carried out simultaneously, and the active periods of the logic operation part and the mask pattern generation part and the preset period of the bit map operation part are carried out simultaneously.Type: GrantFiled: February 28, 1994Date of Patent: October 10, 1995Assignee: Fujitsu LimitedInventors: Yoshiyasu Sato, Taizo Sato