Patents by Inventor Hiroki Yoshioka
Hiroki Yoshioka 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: 20100256325Abstract: A method for producing a polyoxyalkylene derivative including: step (A) in which a polyoxyalkylene derivative having hydroxyl group(s) is reacted with a phthalimide derivative in the presence of an azo reagent and a phosphine reagent; step (B) in which the phthalimide groups of the compound obtained in step (A) are deprotected using a compound having a primary amino group; and step (C) in which impurities derived from the phthalimide derivative and the deprotection reagent are removed by adsorption or extraction.Type: ApplicationFiled: March 26, 2010Publication date: October 7, 2010Applicant: NOF CORPORATIONInventors: Hiroki YOSHIOKA, Takashi MATANI, Shuichi YOSHIMURA, Kazuhiro HASHIMOTO
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Publication number: 20100218550Abstract: In an accumulator for use in a refrigerating cycle of a vehicle air conditioner or the like, to prevent a refrigerant liquid sucked inside returning to a compressor. A desiccant layer 12 is provided above the middle of a tank 11 to divide the main body into upper and lower chambers 13 and 14. A gas-liquid mixed refrigerant sucked into the lower chamber is subjected to gas-liquid separation in the desiccant layer 12, and only the refrigerant gas is transferred to the upper chamber 13 while the refrigerant liquid and the like are accumulated in the lower chamber 14. An outlet port 16b of the refrigerant suction tube 16, through which the refrigerant is sucked into the main body, is opened within the lower chamber 14, and an inlet port 17a of a refrigerant/oil discharge tube 17, through which refrigerant gas obtained by the gas-liquid separation in the desiccant layer 12 is discharged, is opened within the upper chamber 13.Type: ApplicationFiled: December 22, 2006Publication date: September 2, 2010Inventors: Hiroki Yoshioka, Tomohiro Maruyama, Toshihiro Shinbayashi
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Publication number: 20100194637Abstract: A positioning device 20 receives a satellite signal from a satellite positioning system (SPS) satellite and locates a present position, the positioning device 20 including an azimuth calculation section which calculates an azimuth of the SPS satellite corresponding to the received satellite signal, and a reception environment determination section which determines a reception environment including a multipath environment based on the azimuths of the SPS satellites calculated by the azimuth calculation section.Type: ApplicationFiled: April 7, 2010Publication date: August 5, 2010Applicant: Seiko Epson CorporationInventor: Hiroki YOSHIOKA
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Publication number: 20100029899Abstract: An object of the present invention is to provide a novel multibranched polyoxyalkylene derivative, and an intermediate for the production thereof. Specifically, the object is to provide a multibranched polyoxyalkylene derivative which can keep a high activity of a bio-related substance modified with the multibranched polyoxyalkylene derivative and which can easily produce the modified substance; an intermediate thereof; and a bio-related substance to which the multibranched polyoxyalkylene derivative is bonded. The novel multibranched polyoxyalkylene derivative according to the invention is a polyoxyalkylene derivative (1) having a functional group reactive with a bio-related substance and the bio-related substance according to the invention has a structure modified with the above polyoxyalkylene derivative (1) by a reaction. Furthermore, the intermediate for the production of the novel multibranched polyoxyalkylene derivative according to the invention is a polyoxyalkylene derivative (A).Type: ApplicationFiled: February 28, 2008Publication date: February 4, 2010Applicant: NOF CORPORATIONInventors: Kenji Sakanoue, Hiroki Yoshioka, Tomohiro Shirosaki
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Publication number: 20100000713Abstract: Provided are a heat-pump cooler (A) having a first circulation channel (1) and a heater circulator (B) having a second circulation channel (8). A water-cooling condenser (3) in the first circulation channel (1) is placed in the second circulation channel (8), and causes the first coolant to release its heat to the second coolant. The second circulation channel (8) includes a passage switching valve (14) for switching the passage between a passage passing a radiator (10) and a radiator bypass passage (13). During a heating operation, the passage switching valve (14) causes the second coolant to flow into the radiator bypass passage (13), and the air heated by a heater core (12) is introduced as air-conditioned air into the vehicle cabin. During a cooling operation, the passage switching valve (14) causes the second coolant to flow into the radiator (10), and the air cooled by an evaporator (6) is introduced as air-conditioned air into the vehicle cabin.Type: ApplicationFiled: February 12, 2008Publication date: January 7, 2010Inventors: Torahide Takahashi, Hiroki Yoshioka, Takashi Fujita
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Publication number: 20090207089Abstract: An antenna element is disclosed. A conductive plate is adapted to be electrically connected to an electric ground, and has a first edge. A second edge opposes the first edge and is formed with a first slit elongated in a first direction. A third edge intersects the first edge. A recessed part intersects the first edge and the third edge. A conductive member elongates from the second edge in the first direction.Type: ApplicationFiled: February 17, 2009Publication date: August 20, 2009Inventor: Hiroki Yoshioka
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Publication number: 20090193830Abstract: An air conditioning system includes an air-cooling unit and an air-heating unit. On a first path in the cooling-unit, provided are a compressor for first refrigerant, a condenser for the first refrigerant, front and rear expansion units for the first refrigerant, and an front and rear evaporators to cool air. On a second path in the air-heating unit, provided are a pump for second refrigerant, and front and rear heater cores for the second refrigerant. The condenser is located also on the second path to achieve heat-exchanging between the first refrigerant and the second refrigerant. During air-heating, air heated by the front and rear heater cores is supplied to a vehicle compartment as conditioned air. During air-cooling, air cooled by the front and rear evaporator is supplied to the vehicle compartment as conditioned air.Type: ApplicationFiled: February 4, 2009Publication date: August 6, 2009Inventor: Hiroki YOSHIOKA
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Publication number: 20090079638Abstract: In a broadband antenna unit including a ground plate, an antenna element disposed in the vicinity of an end of the ground plate, and a dielectric substrate for mounting the antenna element therein, the antenna element includes a folded plate-shaped monopole antenna portion having a U-shape in cross section, a first conductive element extending from a first location of the folded plate-shaped monopole antenna portion, and a second conductive element extending from a second location of the folded plate-shaped monopole antenna portion. The antenna element is disposed on the side of one side edge of the ground plate. The broadband antenna unit has a feeding point between the ground plate and the antenna element that is disposed at a feeding position apart from the one side by a predetermined distance.Type: ApplicationFiled: September 24, 2008Publication date: March 26, 2009Applicant: Mitsumi Electric Co., Ltd.Inventor: Hiroki YOSHIOKA
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Publication number: 20090073038Abstract: A positioning device includes a phase calculation section which performs a correlation process of a specific positioning base code replica and a positioning base code from a specific transmission source to calculate a present phase of the positioning base code, an estimated phase calculation section which calculates an estimated phase when estimating the present phase based on the phase used for preceding positioning, a Doppler shift of a frequency of a radio wave carrying the positioning base code, and an elapsed time from the preceding positioning, a phase difference evaluation section which determines whether or not a phase difference between the calculated present phase and the estimated phase is within a phase difference allowable range specified in advance, and a positioning section which locates a present position using the phase within the phase difference allowable range.Type: ApplicationFiled: November 20, 2008Publication date: March 19, 2009Applicant: Seiko Epson CorporationInventor: Hiroki YOSHIOKA
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Publication number: 20090023859Abstract: A novel polyoxyalkylene derivative represented by the following formula (1), wherein each symbol is as defined in the specification, which has a functional group capable of reacting with various physiologically active substances according to the object is provided.Type: ApplicationFiled: February 17, 2006Publication date: January 22, 2009Applicant: NOF CORPORATIONInventors: Kenji Sakanoue, Kenichiro Nakamoto, Yuji Yamamoto, Hiroki Yoshioka
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Patent number: 7468691Abstract: A positioning device includes a phase calculation section which performs a correlation process of a specific positioning base code replica and a positioning base code from a specific transmission source to calculate a present phase of the positioning base code, an estimated phase calculation section which calculates an estimated phase when estimating the present phase based on the phase used for preceding positioning, a Doppler shift of a frequency of a radio wave carrying the positioning base code, and an elapsed time from the preceding positioning, a phase difference evaluation section which determines whether or not a phase difference between the calculated present phase and the estimated phase is within a phase difference allowable range specified in advance, and a positioning section which locates a present position using the phase within the phase difference allowable range.Type: GrantFiled: April 27, 2007Date of Patent: December 23, 2008Assignee: Seiko Epson CorporationInventor: Hiroki Yoshioka
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Publication number: 20080198075Abstract: In a broadband antenna unit including a ground plate, an antenna element disposed in the vicinity of an end of the ground plate, and a dielectric substrate for mounting the antenna element therein, the antenna element includes a folded plate-shaped monopole antenna portion having a U-shape in cross section and an extending portion extending from the folded plate-shaped monopole antenna portion. The antenna element is disposed on the side of one side edge of the ground plate. The broadband antenna unit has a feeding point between the ground plate and the antenna element that is disposed at a feeding position apart from the one side by a predetermined distance. A ratio between a width of the ground plate and the predetermined distance is substantially 5:2 when a ratio between the width of the ground plate and a width of the folded plate-shaped monopole antenna portion is 2:1.Type: ApplicationFiled: February 8, 2008Publication date: August 21, 2008Applicant: Mitsumi Electric Co. Ltd.Inventor: Hiroki Yoshioka
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Publication number: 20080018529Abstract: A positioning device 20 receives a satellite signal from a satellite positioning system (SPS) satellite and locates a present position, the positioning device 20 including an azimuth calculation section which calculates an azimuth of the SPS satellite corresponding to the received satellite signal, and a reception environment determination section which determines a reception environment including a multipath environment based on the azimuths of the SPS satellites calculated by the azimuth calculation section.Type: ApplicationFiled: July 17, 2007Publication date: January 24, 2008Applicant: Seiko Epson CorporationInventor: Hiroki Yoshioka
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Publication number: 20070252757Abstract: A positioning device includes a phase calculation section which performs a correlation process of a specific positioning base code replica and a positioning base code from a specific transmission source to calculate a present phase of the positioning base code, an estimated phase calculation section which calculates an estimated phase when estimating the present phase based on the phase used for preceding positioning, a Doppler shift of a frequency of a radio wave carrying the positioning base code, and an elapsed time from the preceding positioning, a phase difference evaluation section which determines whether or not a phase difference between the calculated present phase and the estimated phase is within a phase difference allowable range specified in advance, and a positioning section which locates a present position using the phase within the phase difference allowable range.Type: ApplicationFiled: April 27, 2007Publication date: November 1, 2007Applicant: Seiko Epson CorporationInventor: Hiroki Yoshioka
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Publication number: 20060108030Abstract: An aluminum alloy for cutting processing consists essentially of Cu: 1 to 6.5 mass %, Zn: 0.05 to 1 mass %, Bi: 0.1 to 1 mass %, Sn: 0.1 to 1 mass %, B: 100 mass ppm or less, or further includes at least one element as a selective additional element selected from the group consisting of Fe: 0.05 to 1 mass %, Mg: 0.01 to 0.3 mass %, Si: 0.05 to 1 mass % and Ti: 0.01 to 0.5 mass %.Type: ApplicationFiled: October 9, 2003Publication date: May 25, 2006Applicant: Showa Denko K.K.Inventors: Hiroki Yoshioka, Masaki Yamanaka, Hideaki Matsuoka
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Publication number: 20060027291Abstract: A first aluminum alloy of the present invention comprises Mg: 0.3-6 mass %, Si: 0.3-10 mass %, Zn: 0.05-1 mass %, Sr: 0.001-0.3 mass % and the balance being Al and impurities. A second aluminum alloy further contains one or more selective additional elements selected from the group consisting of Cu, Fe, Mn, Cr, Zr, Ti, Na and Ca. Furthermore, a third aluminum alloy comprises Mg: 0.1-6 mass %, Si: 0.3-12.5 mass %, Cu: 0.01 mass % or more but less than 1 mass %, Zn: 0.01-3 mass %, Sr:0.001-0.5 mass % and the balance being Al and impurities. Furthermore, a fourth aluminum alloy further includes one or more optional additional elements selected from the group consisting of Ti, B, C, Fe, Cr, Mn, Zr, V, Sc, Ni, Na, Sb, Ca, Sn, Bi and In.Type: ApplicationFiled: September 28, 2005Publication date: February 9, 2006Applicant: SHOWA DENKO K.K.Inventors: Hideaki Matsuoka, Masaki Yamanaka, Hiroki Yoshioka, Yasuo Okamoto, Masakatsu Kitamura
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Patent number: 6880628Abstract: A plurality of heat transfer tube elements 17 are laminated with outer fins disposed between the heat transfer tube elements 17 in order to form a core. A gas flows between the outer fins. A passage 24 allowing flow of a cooling medium in a direction orthogonal to the direction of gas flow is formed in each heat transfer tube element 17. The passage 24 has a large passage 31 having a large width disposed upstream with respect to the direction a of gas flow and a small passage group 33 comprising a plurality of small passages 32 being more narrow than the large passage 31 and being disposed downstream with respect to the direction of gas flow. This arrangement allows non-uniformity in the temperature distribution of a gas flow to be suppressed to a low level with a downsizing, low-weight and low-cost device.Type: GrantFiled: February 5, 2002Date of Patent: April 19, 2005Assignee: Calsonic Kansei CorporationInventors: Kazue Yoshida, Hiroki Yoshioka
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Publication number: 20030178189Abstract: In each space 41, a plurality of outer fins 43 are stacked to be arranged, and partition boards 45 are individually arranged between the outer fins 43. At least on edges of each partition board 45 on sides of tank formation portions 37, bent portions 47 and 49 bent in the stacking direction of the tube sheets 29 are formed. Moreover, the position in the stacking direction of an edge 61a of a partition board 61 on a side of the tank formation portions 37, 37A, or 37B is different from the position in the stacking direction of a joint portion of the tank formation potions 37, 37A, or 37B, respectively.Type: ApplicationFiled: February 19, 2003Publication date: September 25, 2003Applicant: CALSONIC KANSEI CORPORATIONInventors: Hiroyuki Yoshida, Hiroki Yoshioka
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Patent number: 6604576Abstract: An air conditioning system for a vehicle has a first cycle including a compressor, a first condenser, a second condenser, a liquid tank, an expansion valve and an evaporator which are connected through pipes to form a first refrigerant circulation circuit through which a refrigerant flows from an outlet of the compressor to an inlet of the compressor while changing the phase. The first cycle causes the evaporator to act as a cooler when operated. The system further has a second cycle including the compressor, the second condenser, the liquid tank, the evaporator and the evaporator which are connected through pipes to form a second refrigerant circulation circuit through which the refrigerant flows from the outlet of the compressor to the inlet of the compressor while changing the phase. The second cycle causes the condenser to act as a heater and the evaporator to act as a cooler when operated. The first and second cycles are switched by switch means.Type: GrantFiled: November 12, 1997Date of Patent: August 12, 2003Assignee: Calsonic Kansei CorporationInventors: Yoshitoshi Noda, Hiroyuki Yamaguchi, Tadayoshi Tajima, Hiroki Yoshioka, Toshio Ohashi, Kenichi Abe
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Patent number: D588115Type: GrantFiled: February 15, 2008Date of Patent: March 10, 2009Assignee: Mitsumi Electric Co., LtdInventor: Hiroki Yoshioka