Patents by Inventor Tetsuya Higuchi
Tetsuya Higuchi 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: 20240083893Abstract: The present invention provides a compound represented by the following formula (I), a pharmaceutically acceptable salt thereof, or a solvate thereof: wherein: R1 and R2 are each separately selected from the group consisting of hydrogen, alkyl, alkenyl, acyl, and hydroxyalkyl; R3 is hydrogen or halogen; ring A is a benzene ring or a pyridine ring; ring B is selected from the group consisting of the following formulas (i), (ii), (iii), and (iv): in the formula (ii), Ra is alkyl; R4 and R5 are each separately selected from the group consisting of hydrogen, hydroxy, alkoxy, haloalkoxy, halohydroxyalkoxy, and aminoalkyl; and represents a double bond or a triple bond. The above compound can be used as a molecular probe for imaging tau proteins that accumulate in the brain.Type: ApplicationFiled: May 8, 2023Publication date: March 14, 2024Applicant: National Institutes for Quantum and Radiological Science and TechnologyInventors: Makoto HIGUCHI, Tetsuya SUHARA, Masahiro MARUYAMA, Meiei CHO, Hitoshi SHIMADA
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Patent number: 9031294Abstract: A region segmented image data creating system for histopathological images is provided. The region segmented image data creating system is capable of creating region segmented image data required to generating a region segmented image. A first bi-level image data creating section 12 creates first bi-level image data, in which nucleus regions can be discriminated from other regions, from histopathological image data. A second bi-level image data creating section 14 creates second bi-level image data, in which a background regions can be discriminated from other regions, from the histopathological image data. A three-level image data creating section 15 clarifies cytoplasm regions by computing a negative logical addition of the first bi-level image data and the second bi-level image data, and to create three-level image data as the region segmented image data.Type: GrantFiled: July 22, 2011Date of Patent: May 12, 2015Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Hirokazu Nosato, Hidenori Sakanashi, Masahiro Murakawa, Takumi Kobayashi, Tetsuya Higuchi, Nobuyuki Otsu
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Patent number: 8982926Abstract: Disclosed is a spectrum spread communication system which is hardly influenced by noises, and in which a frame structure can be identified at a receiving side without use of a frame synchronization signal. A spread code generator switches spread codes (“Scai” and “Scbi”) in each frame, and outputs it to a spread modulation unit. The spread modulation unit performs spread modulation of transmission data, and transmits it to a direct current power line. A reference code generator generates reference codes (“Scai” and “Scbi”) in the same code phase. Spread demodulation units performs spread demodulation of the received signal with use of the reference codes (“Scai” and “Scbi”), and output it to a selection unit. A frame synchronization detection unit identifies a frame structure on the basis of switching of a synchronization state of a code phase in a code phase synchronization detection unit.Type: GrantFiled: June 6, 2011Date of Patent: March 17, 2015Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Yuji Kasai, Masahiro Murakawa, Tetsuya Higuchi
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Patent number: 8526095Abstract: Disclosed is an electrochromic display device comprising: a first and a second substrates; a first and a second electrodes; and an electrochromic composition layer, wherein the device is of a passive matrix drive where the a display and an erasion are performed by an energization in reverse directions between the electrodes, the first and the second electrodes respectively comprise a plurality of electrodes, a pixel is formed where the electrodes are in a grade separated crossing, and the display is performed by voltage application processing where: (i) the first electrode is set as negative, and the second electrode is set as positive, to apply a voltage of a first potential difference, immediately followed by (ii) the first electrode being set as positive, and the second electrode being set as negative, to apply a voltage of a second potential difference equal to or more than the first potential difference.Type: GrantFiled: April 29, 2010Date of Patent: September 3, 2013Assignees: Funai Electric Advanced Applied Technology Research Institute Inc., Tokai University Educational System, Funai Electric Co., Ltd.Inventors: Toshimi Fukuoka, Wu Weng, Tetsuya Higuchi, Masao Suzuki, Rikuo Takano, Makoto Omodani
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Patent number: 8493991Abstract: A master node (12) sends an identification signal for designating a communication channel in an identification signal time slot. When the own node matches the node in which the communication channel designated by the identification signal sent from the master node (12) is set in the identification signal time slot, the master node (12) and slave nodes (131 to 13n) each perform data transmission via the communication channel, based on the set contents of the communication channel, in the data transmission time slot corresponding to the identification signal time slot in which the identification signal has been sent.Type: GrantFiled: April 20, 2009Date of Patent: July 23, 2013Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Yuji Kasai, Eiichi Takahashi, Masahiro Murakawa, Tetsuya Higuchi
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Patent number: 8467119Abstract: An electrochromic display device including: a first substrate; first electrodes parallely extending on the first substrate; a second substrate opposite to the first substrate; second electrodes parallely extending in a direction orthogonal to the first electrodes on the second substrate; and an electrochromic composition layer between the substrates, wherein the device is passive-matrix driven to perform a display by energization between the electrodes, and to perform erasing of the display by energization in a reverse direction, a pixel is formed in a portion where the first electrodes sterically intersect with the second electrodes, and metal electrical wires extending over the regions between the second electrodes and the second substrate along the second electrodes, each of metal electrical wires being conductively connected to each of the second electrodes corresponding to any one of the regions, and insulated from each of the second electrodes corresponding to the other regions.Type: GrantFiled: July 26, 2011Date of Patent: June 18, 2013Assignees: Funai Electric Advanced Applied Technology Research Institute Inc., Funai Electric Co., Ltd.Inventors: Wu Weng, Toshimi Fukuoka, Tetsuya Higuchi, Masao Suzuki, Masatoshi Ono
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Patent number: 8446660Abstract: Disclosed is an electrochromic display device, including, a first substrate, first electrodes provided on an upper surface of the first substrate, a second substrate provided to be opposed to the first substrate above the first substrate, the second substrate being formed of a transparent material, second electrodes provided on an undersurface of the second substrate, at least a part of the second electrodes being formed of a transparent electrode material, and an electrochromic composition layer provided between the first substrate and the second substrate. The electrochromic composition layer contains an electrochromic composition including a supporting electrolyte, a polar solvent, a leuco dye, a hydroquinone derivative and/or a catechol derivative, a ferrocene derivative, and a compound having a carbonyl group.Type: GrantFiled: May 27, 2009Date of Patent: May 21, 2013Assignees: Funai Electric Advanced Applied Technology Research Institute Inc., Funai Electric Co., Ltd.Inventors: Masao Suzuki, Tetsuya Higuchi, Wu Weng, Toshimi Fukuoka
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Patent number: 8429749Abstract: A network system by the present invention can quickly detect viruses and does not easily become a new cause of vulnerability. A packet data comparator branches inputted packet data into three branches, and includes an additional pattern matching unit which compares the branched data with the stored data and performs matching with collation patterns stored in a rewritable storage area, a fixed pattern matching unit which compares the branched data with the stored data and performs the matching with a logical operation configured with known collation patterns, a notification packet matching unit which compares the branched data with the stored data and finds a notification packet, and an identity detection aggregation unit which aggregates results from the respective matching units. Moreover, a virus filter, a virus checker, and a secure network system are realized by using the present invention.Type: GrantFiled: March 26, 2008Date of Patent: April 23, 2013Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Eiichi Takahashi, Masahiro Yasuda, Yosuke Iijima, Masahiro Murakawa, Kenji Toda, Tetsuya Higuchi
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Publication number: 20130094733Abstract: A region segmented image data creating system for histopathological images is provided. The region segmented image data creating system is capable of creating region segmented image data required to generating a region segmented image. A first bi-level image data creating section 12 creates first bi-level image data, in which nucleus regions can be discriminated from other regions, from histopathological image data. A second bi-level image data creating section 14 creates second bi-level image data, in which a background regions can be discriminated from other regions, from the histopathological image data. A three-level image data creating section 15 clarifies cytoplasm regions by computing a negative logical addition of the first bi-level image data and the second bi-level image data, and to create three-level image data as the region segmented image data.Type: ApplicationFiled: July 22, 2011Publication date: April 18, 2013Inventors: Hirokazu Nosato, Hidenori Sakanashi, Masahiro Murakawa, Takumi Kobayashi, Tetsuya Higuchi, Nobuyuki Otsu
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Publication number: 20130089120Abstract: Disclosed is a spectrum spread communication system which is hardly influenced by noises, and in which a frame structure can be identified at a receiving side without use of a frame synchronization signal. A spread code generator switches spread codes (“Scai” and “Scbi”) in each frame, and outputs it to a spread modulation unit. The spread modulation unit performs spread modulation of transmission data, and transmits it to a direct current power line. A reference code generator generates reference codes (“Scai” and “Scbi”) in the same code phase. Spread demodulation units performs spread demodulation of the received signal with use of the reference codes (“Scai” and “Scbi”), and output it to a selection unit. A frame synchronization detection unit identifies a frame structure on the basis of switching of a synchronization state of a code phase in a code phase synchronization detection unit.Type: ApplicationFiled: June 6, 2011Publication date: April 11, 2013Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Yuji Kasai, Masahiro Murakawa, Tetsuya Higuchi
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Patent number: 8284856Abstract: A serial-parallel converter/encoder unit 11 inputs a transmission symbol data at a transmission symbol rate that is one-Nth of a base-point symbol rate. A precoder/collator 13 creates a transmission symbol waveform at the base-point symbol rate. The transmission symbol waveform becomes a transmission signal after passing through a roll-off filter 14 with a band corresponding to the base-point symbol rate and a modulator 15. A reception signal demodulated by a demodulator 33 is input to a fractionally-spaced equalizer 38 that operates at the base-point symbol rate and is forcibly equalized at the transmission symbol rate by using a reference signal. A level of a signal output from the fractionally-spaced equalizer 38 at the transmission symbol rate is determined by a level determining unit 39 and becomes a reception symbol data by a sawtooth-function output unit 40.Type: GrantFiled: February 13, 2007Date of Patent: October 9, 2012Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Yoichi Sato, Tetsuya Higuchi, Masahiro Murakawa
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Publication number: 20120026572Abstract: An electrochromic display device including: a first substrate; first electrodes parallely extending on the first substrate; a second substrate opposite to the first substrate; second electrodes parallely extending in a direction orthogonal to the first electrodes on the second substrate; and an electrochromic composition layer between the substrates, wherein the device is passive-matrix driven to perform a display by energization between the electrodes, and to perform erasing of the display by energization in a reverse direction, a pixel is formed in a portion where the first electrodes sterically intersect with the second electrodes, and metal electrical wires extending over the regions between the second electrodes and the second substrate along the second electrodes, each of metal electrical wires being conductively connected to each of the second electrodes corresponding to any one of the regions, and insulated from each of the second electrodes corresponding to the other regions.Type: ApplicationFiled: July 26, 2011Publication date: February 2, 2012Applicants: Funai Electric Co., Ltd., Funai Electric Advanced Applied Technology Research Institute Inc.Inventors: Wu WENG, Toshimi Fukuoka, Tetsuya Higuchi, Masao Suzuki, Masatoshi Ono
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Patent number: 7995262Abstract: Disclosed is an electrochromic display device comprising: a first substrate; a first electrode; a second substrate; a second electrode; and an electrochromic composition layer, wherein the device is of a passive matrix drive where the device performs a display by an energization between the electrodes, and performs a erasion of the display, wherein the first electrode comprises electrodes, the second electrode comprises a plurality of transparent display electrodes, a pixel is formed where the electrodes are in a grade separated crossing, at least a surface of the electrodes is respectively oxidized, the electrochromic composition layer comprising (i) insulative partition walls and (ii) an electrochromic composition including a supporting electrolyte, a polar solvent, and a leuco dye, and wherein the device displays a selected pixel by applying a voltage of a first potential difference, and applies the voltage of a second potential difference so as not to cause any energization.Type: GrantFiled: November 12, 2009Date of Patent: August 9, 2011Assignees: Funai Electric Advanced Applied Technology Research Institute Inc., Funai Electric Co., Ltd.Inventors: Tetsuya Higuchi, Masao Suzuki, Toshimi Fukuoka, Wu Weng
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Publication number: 20110141544Abstract: Disclosed is an electrochromic display device, including, a first substrate, first electrodes provided on an upper surface of the first substrate, a second substrate provided to be opposed to the first substrate above the first substrate, the second substrate being formed of a transparent material, second electrodes provided on an undersurface of the second substrate, at least a part of the second electrodes being formed of a transparent electrode material, and an electrochromic composition layer provided between the first substrate and the second substrate. The electrochromic composition layer contains an electrochromic composition including a supporting electrolyte, a polar solvent, a leuco dye, a hydroquinone derivative and/or a catechol derivative, a ferrocene derivative, and a compound having a carbonyl group.Type: ApplicationFiled: May 27, 2009Publication date: June 16, 2011Applicants: Funai Electric Advanced Applied Technology Research Institute Inc.,, Funai Electric Co., Ltd.Inventors: Masao Suzuki, Tetsuya Higuchi, Wu Weng, Toshimi Fukuoka
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Publication number: 20110142066Abstract: A master node (12) sends an identification signal for designating a communication channel in an identification signal time slot. When the own node matches the node in which the communication channel designated by the identification signal sent from the master node (12) is set in the identification signal time slot, the master node (12) and slave nodes (131 to 13n) each perform data transmission via the communication channel, based on the set contents of the communication channel, in the data transmission time slot corresponding to the identification signal time slot in which the identification signal has been sent.Type: ApplicationFiled: April 20, 2009Publication date: June 16, 2011Applicant: Nat'I Inst of Advanced Industrial Sci and TechInventors: Yuji Kasai, Eiichi Takahashi, Masahiro Murakawa, Tetsuya Higuchi
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Patent number: 7944571Abstract: Tray information for bth copy is read from a RAM. Next, print data is read from the RAM, and format data corresponding to a macro ID for the bth copy is read from the RAM. Then, image data is generated by combining the print data and the format data. Finally, based on the image data, an image is formed on a recording medium that was supplied from a tray designated by the tray information for the bth copy.Type: GrantFiled: August 19, 2004Date of Patent: May 17, 2011Assignee: Brother Kogyo Kabushiki KaishaInventor: Tetsuya Higuchi
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Patent number: 7937048Abstract: A signal transmission apparatus of the invention comprises: a correlator 12 for shaping a spectrum of a signal; and a precoder 12 disposed on a previous stage of the correlator and including an adder which subtracts an output signal of a feedback filter from an input signal, a modulo arithmetic unit which inputs an output signal of the adder and executes modulo arithmetic operation, and the feedback filter which inputs an output signal of the modulo arithmetic unit and is provided with a transfer function obtained by subtracting 1 from a transfer function of the correlator. The correlator may be IIR filter means having a desired notch characteristic. By disposing a correlator which can freely shape a transmission signal spectrum containing a deep notch and suppress only a specified band on a receiving side, the suppression of an external noise can also be realized.Type: GrantFiled: July 19, 2006Date of Patent: May 3, 2011Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Yoichi Sato, Tetsuya Higuchi
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Publication number: 20100277787Abstract: Disclosed is an electrochromic display device comprising: a first and a second substrates; a first and a second electrodes; and an electrochromic composition layer, wherein the device is of a passive matrix drive where the a display and an erasion are performed by an energization in reverse directions between the electrodes, the first and the second electrodes respectively comprise a plurality of electrodes, a pixel is formed where the electrodes are in a grade separated crossing, and the display is performed by voltage application processing where: (i) the first electrode is set as negative, and the second electrode is set as positive, to apply a voltage of a first potential difference, immediately followed by (ii) the first electrode being set as positive, and the second electrode being set as negative, to apply a voltage of a second potential difference equal to or more than the first potential difference.Type: ApplicationFiled: April 29, 2010Publication date: November 4, 2010Applicants: Funai Electric Advanced Applied Technology Research Institute Inc., Tokai University Educational System, Funai Electric Co., Ltd.Inventors: Toshimi Fukuoka, Wu Weng, Tetsuya Higuchi, Masao Suzuki, Rikuo Takano, Makoto Omodani
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Publication number: 20100134865Abstract: Disclosed is an electrochromic display device comprising: a first substrate; a first electrode; a second substrate; a second electrode; and an electrochromic composition layer, wherein the device is of a passive matrix drive where the device performs a display by an energization between the electrodes, and performs a erasion of the display, wherein the first electrode comprises electrodes, the second electrode comprises a plurality of transparent display electrodes, a pixel is formed where the electrodes are in a grade separated crossing, at least a surface of the electrodes is respectively oxidized, the electrochromic composition layer comprising (i) insulative partition walls and (ii) an electrochromic composition including a supporting electrolyte, a polar solvent, and a leuco dye, and wherein the device displays a selected pixel by applying a voltage of a first potential difference, and applies the voltage of a second potential difference so as not to cause any energization.Type: ApplicationFiled: November 12, 2009Publication date: June 3, 2010Applicants: Funai Electric Advanced Applied Technology Research Institute Inc., Funai Electric Co., Ltd.Inventors: Tetsuya HIGUCHI, Masao Suzuki, Toshimi Fukuoka, Wu Weng
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Patent number: D616973Type: GrantFiled: September 24, 2009Date of Patent: June 1, 2010Assignee: Rinnai CorporationInventors: Katsunori Maegawa, Tetsuya Higuchi, Hiroaki Higashijima, Yoshikazu Kubo