Patents by Inventor Yoshikazu Sugiyama
Yoshikazu Sugiyama 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: 8933878Abstract: A display apparatus comprising a display panel including first and second display regions arranged in an alternating manner and respectively passing a first polarization component light and a second polarization component of incident light; a light source panel including first and second light sources arranged in an alternating manner and respectively emitting light of the first polarization component and light of the second polarization component to the back surface of the display panel; and a lenticular lens that is positioned between the display panel and the light source panel, refracts light from the first light sources in a direction of a first viewpoint to provide the first viewpoint with the light passed by the first display regions, and refracts light from the second light sources in a direction of a second viewpoint to provide the second viewpoint with the light passed by the second display regions.Type: GrantFiled: July 11, 2012Date of Patent: January 13, 2015Assignee: Nikon CorporationInventors: Yoshikazu Sugiyama, Yutaka Ichihara
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Publication number: 20140349794Abstract: A front derailleur that includes a fixing member that is configured to be fixed to a bicycle frame, a chain guide movable between a retracted position and an extended position with respect to the fixing member, a linkage mechanism coupling the chain guide to the fixing member, and a biasing member that biases the chain guide toward one of the retracted position and the extended position. The linkage mechanism includes a first link member that is pivotable with respect to the fixing member about a first axis and is pivotable with respect to the chain guide about a second axis that is positioned above the first axis when the fixing member is fixed to the bicycle frame. The biasing member is coaxially arranged around the second axis.Type: ApplicationFiled: May 21, 2013Publication date: November 27, 2014Applicant: Shimano Inc.Inventors: Atsuhiro Emura, Yoshikazu Sugiyama
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Patent number: 8872984Abstract: Provided is an LTE-system mobile communication terminal in which a reduction in terminal size and a reduction in the number of components is desired when a terrestrial digital television broadcast is to be received. Two antennas from among terrestrial digital television broadcast receiving antennas are switched and controlled so as to also be used as transmitting/receiving antennas from LTE communication, and the reception diversity is switched to either a 2-system combination or 4-system combination in accordance with whether the television broadcast is in the VHF band or UHF band. As a result, the number of antennas for example can be reduced and the terminal costs and size can be reduced.Type: GrantFiled: March 29, 2012Date of Patent: October 28, 2014Assignee: TKR Corporation Co., Ltd.Inventors: Yoshikazu Sugiyama, Masaaki Yamada
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Publication number: 20140211330Abstract: A catadioptric imaging lens includes: a first reflecting mirror; a second reflecting mirror; and a lens group. A reflecting surface of the first reflecting mirror is a rotationally asymmetrical aspherical, with concavity on the object side within the reference and the first orthogonal plane. A reflecting surface of the second reflecting mirror is a rotationally asymmetrical aspherical, with convexity toward the first reflecting mirror within the reference and within the second orthogonal plane. A surface in the lens group closest to the second reflecting mirror is a rotationally asymmetrical aspherical, with concavity toward the second reflecting mirror within the reference plane and convexity toward the second reflecting mirror within the third orthogonal plane.Type: ApplicationFiled: December 30, 2013Publication date: July 31, 2014Inventors: Miho Matsumoto, Yoshikazu Hirayama, Kinya Kato, Yoshikazu Sugiyama
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Publication number: 20140184921Abstract: Provided is an LTE-system mobile communication terminal in which a reduction in terminal size and a reduction in the number of components is desired when a terrestrial digital television broadcast is to be received. Two antennas from among terrestrial digital television broadcast receiving antennas are switched and controlled so as to also be used as transmitting/receiving antennas from LTE communication, and the reception diversity is switched to either a 2-system combination or 4-system combination in accordance with whether the television broadcast is in the VHF band or UHF band. As a result, the number of antennas for example can be reduced and the terminal costs and size can be reduced.Type: ApplicationFiled: March 29, 2012Publication date: July 3, 2014Applicant: TKR CORPORATIONInventors: Yoshikazu Sugiyama, Masaaki Yamada
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Patent number: 8615268Abstract: A control unit 19 switches four antennas 111 to 114 at predetermined time intervals, receives signals from an LTE base station 2 using four receiving antennas 111 to 114, and receives signals from a GSM base station 3 using the four antennas 111 to 114. The control unit 19 determines the reception level in a cell 2c of the LTE base station 2 on the basis of signal strengths detected by a received signal detector 14p when signals are received from the LTE base station 2 using the four antennas 111 to 114. In addition, the control unit 19 determines the reception level in a cell 3c of the GSM base station 3 on the basis of four signal strengths detected by the received signal detector 14p when signals are received from the GSM base station 3 using the four antennas 111 to 114.Type: GrantFiled: November 1, 2010Date of Patent: December 24, 2013Assignee: NEC CorporationInventors: Yoshikazu Sugiyama, Katsuya Miyata
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Publication number: 20130053196Abstract: A bicycle chain guide assembly that includes a mounting bracket adapted to be affixed to a bicycle, and a movable member movably mounted to the mounting bracket. The movable member includes a chain guide portion adapted to be positioned adjacent a chain ring of the bicycle and below a bottom bracket of the bicycle. When the assembly is mounted on a bicycle with a chain-ring, the movable member can move in a first direction such that the chain guide portion moves toward an outer circumference of the chain-ring and the movable member can move in a second direction such that the chain guide portion moves away from the outer circumference of the chain ring.Type: ApplicationFiled: August 26, 2011Publication date: February 28, 2013Applicant: SHIMANO, INC.Inventors: ATSUHIRO EMURA, YOSHIKAZU SUGIYAMA, HIDEKI IKEMOTO
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Publication number: 20130053195Abstract: A bicycle chain guide assembly that includes a chain guide member having a mounting portion adapted to be positioned adjacent a chain ring of a bicycle, and a contact member removably affixed to the mounting portion. The mounting portion extends in a chain-running direction and has a chain-ring side and an opposite side. The contact member includes a first end portion affixed to the mounting portion and a chain contact portion that extends from the first end portion in the chain-running direction and is positioned adjacent the chain-ring side of the mounting portion. A gap is defined between the chain-ring side of the mounting portion and the chain contact portion of the contact member.Type: ApplicationFiled: August 26, 2011Publication date: February 28, 2013Applicant: SHIMANO, INC.Inventors: ATSUHIRO EMURA, YOSHIKAZU SUGIYAMA, HIDEKI IKEMOTO
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Patent number: 8075860Abstract: A thermal spray powder includes granulated and sintered yttria particles obtained by granulating and sintering a raw material powder in air or oxygen. The primary particles constituting the granulated and sintered yttria particles have an average particle size between 0.5 and 1.5 ?m inclusive, and 1.11 times or more as large as the raw material powder. Alternatively, the primary particles have an average particle size between 3 and 8 ?m inclusive.Type: GrantFiled: September 29, 2006Date of Patent: December 13, 2011Assignee: Fujimi IncorporatedInventors: Junya Kitamura, Hiroyuki Ibe, Yoshikazu Sugiyama
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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: 20110105108Abstract: A control unit 19 switches four antennas 111 to 114 at predetermined time intervals, receives signals from an LTE base station 2 using four receiving antennas 111 to 114, and receives signals from a GSM base station 3 using the four antennas 111 to 114. The control unit 19 determines the reception level in a cell 2c of the LTE base station 2 on the basis of signal strengths detected by a received signal detector 14p when signals are received from the LTE base station 2 using the four antennas 111 to 114. In addition, the control unit 19 determines the reception level in a cell 3c of the GSM base station 3 on the basis of four signal strengths detected by the received signal detector 14p when signals are received from the GSM base station 3 using the four antennas 111 to 114.Type: ApplicationFiled: November 1, 2010Publication date: May 5, 2011Applicant: NEC CASIO MOBILE COMMUNICATIONS, LTD.Inventors: Yoshikazu SUGIYAMA, Katsuya MIYATA
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Patent number: 7805123Abstract: A technique of frequency hopping communication capable of high-speed switching of a plurality of signals having ultra-wide band 528 MHz bandwidth at high-speed and setting and switching a band center frequency and the number of bands arbitrary is provided. A radio transceiver has a frequency hopping communication function of UWB system for switching the ultra wide band signal. In the device, high-speed frequency hopping is realized by controlling an SSB mixer in a local oscillator circuit and switching the frequency of a DDS. The device sets NCO data to the DDS and switches a quadrature phase signal of an output, and switches a signal input of an input terminal of the SSB mixer by a control of a phase switching switch. One of a sum component and a difference component of a mixture of first and second quadrature phase signals is outputted from the output terminal of the SSB mixer.Type: GrantFiled: April 20, 2007Date of Patent: September 28, 2010Assignee: Renesas Technology Corp.Inventors: Yoshikazu Sugiyama, Isao Ikuta, Yusaku Katsube
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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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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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Publication number: 20080062317Abstract: In a transmission apparatus, still picture outputting control information is multiplexed to a transmission signal and in a receiving apparatus, still picture is extracted from moving picture. Still picture data to be outputted can be processed and the charge can be set for each kind of processing. A broadcasting system and a receiver can output the still picture data of which the copyright is protected in accordance with use.Type: ApplicationFiled: August 3, 2007Publication date: March 13, 2008Applicant: Hitachi, Ltd.Inventors: Shigeru Yoneda, Hiroyuki Koreeda, Takumi Okamura, Kenji Katsumata, Yoshikazu Sugiyama, Takahiro Sato
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Patent number: 7280811Abstract: A multimode wireless terminal suitable for received level monitoring for a base station serving as an intersystem handover destination includes a first wireless transmitter-receiver unit for GSM, a second wireless transmitter-receiver unit for WCDMA, and a communication processor unit and an antenna switch unit connected to these wireless transmitter-receiver units. While conducting communication with a WCDMA network system via the second wireless transmitter-receiver unit, a level of a signal received from a GSM base station is monitored via the first wireless transmitter-receiver unit. A communication processor unit determines whether the level monitoring is interfered with by a WCDMA transmission signal, on the basis of a relation between a WCDMA transmission frequency and a reception frequency supplied from the GSM base station.Type: GrantFiled: June 22, 2004Date of Patent: October 9, 2007Assignee: Renesas Technology Corp.Inventors: Yoshikazu Sugiyama, Masaki Noda, Makoto Katagishi, Yutaka Igarashi
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Patent number: 7263189Abstract: In a transmission apparatus, still picture outputting control information is multiplexed to a transmission signal and in a receiving apparatus, still picture is extracted from moving picture. Still picture data to be outputted can be processed and the charge can be set for each kind of processing. A broadcasting system and a receiver can output the still picture data of which the copyright is protected in accordance with use.Type: GrantFiled: February 20, 2001Date of Patent: August 28, 2007Assignee: Hitachi, Ltd.Inventors: Shigeru Yoneda, Hiroyuki Koreeda, Takumi Okamura, Kenji Katsumata, Yoshikazu Sugiyama, Takahiro Sato
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Publication number: 20070189361Abstract: A technique of frequency hopping communication capable of high-speed switching of a plurality of signals having ultra-wide band 528 MHz bandwidth at high-speed and setting and switching a band center frequency and the number of bands arbitrary is provided. A radio transceiver has a frequency hopping communication function of UWB system for switching the ultra wide band signal. In the device, high-speed frequency hopping is realized by controlling an SSB mixer in a local oscillator circuit and switching the frequency of a DDS. The device sets NCO data to the DDS and switches a quadrature phase signal of an output, and switches a signal input of an input terminal of the SSB mixer by a control of a phase switching switch. One of a sum component and a difference component of a mixture of first and second quadrature phase signals is outputted from the output terminal of the SSB mixer.Type: ApplicationFiled: April 20, 2007Publication date: August 16, 2007Inventors: YOSHIKAZU SUGIYAMA, Isao Ikuta, Yusaku Katsube
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Publication number: 20070077363Abstract: A thermal spray powder includes granulated and sintered yttria particles obtained by granulating and sintering a raw material powder in air or oxygen. The primary particles constituting the granulated and sintered yttria particles have an average particle size between 0.5 and 1.5 ?m inclusive, and 1.11 times or more as large as the raw material powder. Alternatively, the primary particles have an average particle size between 3 and 8 ?m inclusive.Type: ApplicationFiled: September 29, 2006Publication date: April 5, 2007Inventors: Junya Kitamura, Hiroyuki Ibe, Yoshikazu Sugiyama
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Publication number: 20070077456Abstract: A thermal spray coating includes yttrium oxide at least as a main component. When the thermal spray coating is exposed to CF4 plasma and the plasma power of the CF4 plasma per unit area applied onto the thermal spray coating is 0.8 W/cm2 or greater, an etching rate by the CF4 plasma of the thermal spray coating satisfies the equation Re?7.7×Pp2.2. Alternatively, when the plasma power of the CF4 plasma per unit area applied onto the thermal spray coating is less than 0.8 W/cm2, an etching rate by the CF4 plasma of the thermal spray coating satisfies the equation Re?8.0×Pp2.2. In the equations, “Re”, represents the etching rate (nm/minute) by the CF4 plasma of the thermal spray coating, and “Pp” represents the plasma power per unit area (W/cm2) applied onto the thermal spray coating.Type: ApplicationFiled: September 29, 2006Publication date: April 5, 2007Inventors: Junya Kitamura, Isao Aoki, Yoshikazu Sugiyama