Patents by Inventor Masayuki Yamaguchi
Masayuki Yamaguchi 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: 8942496Abstract: Provided is an image processing apparatus capable of simultaneous reduction in memory capacity and compressibility error. An output image data generating means 11 generates processed image data based on specific reference data and preprocessed image data. Reference data generating means 5 repeatedly executes an identical processing in one term made up of not less than two consecutive frames. When an object frame is a top frame in the term, restored reference data generated by data expanding means 15 is outputted as data expanding means. When the object frame is a second or subsequent frame in the term, simulated specific reference data is generated based on the restored reference data generated by the data expanding means 15 and preprocessed image data of the object frame, and outputted as specific reference data.Type: GrantFiled: November 4, 2011Date of Patent: January 27, 2015Assignee: Sharp Kabushiki KaishaInventors: Yoshitaka Seki, Masayuki Yamaguchi
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Patent number: 8908982Abstract: The present invention provides an image encoding device that can balance encoding at a high compression ratio and restoration of a high-quality image by decoding in a short processing time. Compression mode determination means 3 determines a compression mode to be one of DPCM and PCM based on target pixel data inputted from a terminal 21 and predicted data calculated by a predetermined method. For the DPCM, DPCM compression means 5 compresses a difference value between the target pixel data and the predicted data to DPCM encoded data having a predetermined DPCM code length. For the PCM, PCM compression means 7 compresses the target pixel data to PCM encoded data having a PCM code length determined by PCM code length determination means 9. The PCM code length determination means 9 calculates the PCM code length for each piece of target pixel data such that a total of post-encoding code lengths becomes an allowable value or less in a unit of predetermined pixel group among the plurality of pixels.Type: GrantFiled: September 26, 2011Date of Patent: December 9, 2014Assignee: Sharp Kabushiki KaishaInventors: Mitsuhisa Ohnishi, Masayuki Yamaguchi, Takahiro Morishita
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Patent number: 8840043Abstract: A rotary atomization coating device is provided with a rotary atomizing head including a paint storage and adapted to atomize paint supplied to the paint storage and to discharge the paint onto a work, and a paint supplying nozzle adapted to supply the paint to the paint storage. The rotary atomizing head includes a plurality of bell cups. Each of the bell cups includes, at a front face thereof, a paint discharging face adapted to thin the paint by a centrifugal force. The rotary atomizing head includes a plurality of paint supplying holes corresponding to the respective bell cups. The paint supplying holes are adapted to supply the paint from the paint storage to the respective paint discharging faces. A plurality of grooves extending along a radial direction of the rotary atomizing head are formed at circumferential portions of the respective paint discharging faces.Type: GrantFiled: January 5, 2012Date of Patent: September 23, 2014Assignee: Honda Motor Co., Ltd.Inventors: Daisuke Nakazono, Junichi Fukuno, Masayuki Yamaguchi, Yusuke Nakajima
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Publication number: 20140217931Abstract: In order for keeping the amplitude of the excitation current of a vibrator constant irrespective not only of the temperature variation but also of the manufacturing variation and the variation in frequency, a comparison control circuit for controlling the amplitude of the drive signal for exciting the vibrator includes a comparative voltage supply circuit for supplying the comparative voltage, and the comparative voltage supply circuit generates the comparative voltage with a constant current source and a second resistor made of a material the same as a material of a first resistor included in a current-voltage conversion circuit.Type: ApplicationFiled: April 9, 2014Publication date: August 7, 2014Applicant: SEIKO EPSON CORPORATIONInventor: Masayuki YAMAGUCHI
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Publication number: 20140204465Abstract: A head-up display device includes a projector, a screen component and a prism component. The prism component integrally has an incidence surface into which laser light enters from the projector, a mirror surface which reflects the laser light entering inside the prism component from the incidence surface, and an exit surface which emits the laser light reflected by the mirror surface toward the screen component outside of the prism component, as optical surface on an optical path, and each of the incidence surface and the exit surface constructs a lens surface such that that the laser light is formed into an image relative to the screen component in a spot state.Type: ApplicationFiled: January 21, 2014Publication date: July 24, 2014Applicant: DENSO CORPORATIONInventor: Masayuki Yamaguchi
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Publication number: 20140192867Abstract: A coding device and method, which can suppress degradation of image data while guaranteeing a target compression ratio, a decoding device and method, which decode the data coded by the coding device and method, and a coding/decoding system including the coding device and the decoding device are provided. The coding device includes a predictive value data generator that sequentially generates predictive value data, a predictive error data generator that sequentially generates predictive error data, which is a difference between pixel data and the predictive value data, a coder that sequentially codes the predictive error data to sequentially generate variable-length coded data, and a coding controller that sequentially controls the coder. The coding controller sequentially calculates an accumulated value by accumulating a difference between a code length and a target code length of the variable-length coded data, and controls the coder such that the final accumulated value is 0 or lower.Type: ApplicationFiled: June 11, 2012Publication date: July 10, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Masayuki Yamaguchi, Akihisa Yamada, Takashi Nakamae
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Patent number: 8716918Abstract: In order for keeping the amplitude of the excitation current of a vibrator constant irrespective not only of the temperature variation but also of the manufacturing variation and the variation in frequency, a comparison control circuit for controlling the amplitude of the drive signal for exciting the vibrator includes a comparative voltage supply circuit for supplying the comparative voltage, and the comparative voltage supply circuit generates the comparative voltage with a constant current source and a second resistor made of a material the same as a material of a first resistor included in a current-voltage conversion circuit.Type: GrantFiled: June 6, 2013Date of Patent: May 6, 2014Assignee: Seiko Epson CorporationInventor: Masayuki Yamaguchi
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Publication number: 20130270878Abstract: A seat back pad 70 has a groove 73 for tucking a skin material therein, formed at borders between a central portion 71 and side portions 72. A hole (slot hole 74) is formed in a bottom of the groove 73 along the groove 73. A tuck-in wire 76 for tucking the skin material in includes a plurality of tuck-in portions 76A provided along the groove 73, and a connecting portion (detour portion 76B) detouring around the hole and connecting the tuck-in portions 76A. With this configuration, when an upper body of an occupant P subsides into a seat back S2 in a rear-end collision of a vehicle, the central portion 71, defined by the groove 73 as a border, is easily and sufficiently moved rearward relative to the left and right side portions 72. Furthermore, the tuck-in wire 76 is not exposed through the hole, and thus adhesion between the seat back pad 70 and the tuck-in wire 76 can be improved.Type: ApplicationFiled: December 22, 2011Publication date: October 17, 2013Applicant: TS TECH CO., LTD.Inventors: Takamasa Adachi, Tsutomu Matsuzaki, Masayuki Yamaguchi
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Publication number: 20130270887Abstract: A seat back structure for a vehicle according to one aspect of the present invention including a headrest, a seat back frame, a pad disposed in front of a surface of the seat back frame, a backrest surface of the pad, and right and left side supports each provided on either side of the backrest surface in a seat width direction, in which a right slit portion and a left slit portion are provided between the backrest surface and the right and the left side supports, respectively, each of the right slit portion and the left slit portion penetrating the pad in the thickness direction of the pad and extending in a vertical direction of the pad, and the right and the left slit portions are spaced apart from each other in the seat width direction.Type: ApplicationFiled: November 25, 2011Publication date: October 17, 2013Applicants: TS TECH CO., LTD., HONDA MOTOR CO., LTD.Inventors: Tomoki Matsumoto, Koji Sano, Yoshitomo Oka, Tatsuya Terauchi, Masayuki Yamaguchi, Kenichi Niitsuma
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Publication number: 20130271044Abstract: In order for keeping the amplitude of the excitation current of a vibrator constant irrespective not only of the temperature variation but also of the manufacturing variation and the variation in frequency, a comparison control circuit for controlling the amplitude of the drive signal for exciting the vibrator includes a comparative voltage supply circuit for supplying the comparative voltage, and the comparative voltage supply circuit generates the comparative voltage with a constant current source and a second resistor made of a material the same as a material of a first resistor included in a current-voltage conversion circuit.Type: ApplicationFiled: June 6, 2013Publication date: October 17, 2013Inventor: Masayuki YAMAGUCHI
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Publication number: 20130251257Abstract: The present invention provides an image encoding device that can balance encoding at a high compression ratio and restoration of a high-quality image by decoding in a short processing time. Compression mode determination means 3 determines a compression mode to be one of DPCM and PCM based on target pixel data inputted from a terminal 21 and predicted data calculated by a predetermined method. For the DPCM, DPCM compression means 5 compresses a difference value between the target pixel data and the predicted data to DPCM encoded data having a predetermined DPCM code length. For the PCM, PCM compression means 7 compresses the target pixel data to PCM encoded data having a PCM code length determined by PCM code length determination means 9. The PCM code length determination means 9 calculates the PCM code length for each piece of target pixel data such that a total of post-encoding code lengths becomes an allowable value or less in a unit of predetermined pixel group among the plurality of pixels.Type: ApplicationFiled: September 26, 2011Publication date: September 26, 2013Applicant: Sharp Kabushiki KaishaInventors: Mitsuhisa Ohnishi, Masayuki Yamaguchi, Takahiro Morishita
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Publication number: 20130251277Abstract: An image processing device that reduces influence by a compressibility error of image data generated by a previous frame on output image data is disclosed. The image processing device generates a compressibility error prediction value, based on an input image data, generates substitute image data of the input image data, based on an emergence tendency of the compressibility error, selects the input image data or the substitute image data to set a result as current image data, generates next state image data, compresses the next state image data to generate compressed state image data, stores the compressed state image data in a frame memory, generates the state image data by reading the compressed state image data from the frame memory and decompressing the same, and generates output image data, based on the current image data and the state image data.Type: ApplicationFiled: November 4, 2011Publication date: September 26, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Masayuki Yamaguchi, Shinji Shinjo
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Publication number: 20130243345Abstract: Provided is an image processing apparatus capable of simultaneous reduction in memory capacity and compressibility error. An output image data generating means 11 generates processed image data based on specific reference data and preprocessed image data. Reference data generating means 5 repeatedly executes an identical processing in one term made up of not less than two consecutive frames. When an object frame is a top frame in the term, restored reference data generated by data expanding means 15 is outputted as data expanding means. When the object frame is a second or subsequent frame in the term, simulated specific reference data is generated based on the restored reference data generated by the data expanding means 15 and preprocessed image data of the object frame, and outputted as specific reference data.Type: ApplicationFiled: November 4, 2011Publication date: September 19, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Yoshitaka Seki, Masayuki Yamaguchi
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Patent number: 8515913Abstract: A file management apparatus includes a register unit that registers on a memory a first information set mapping a link file to a file and registers on the memory a second information set indicating a storage location of the file if the file is newly stored or if the link file pointing to the file is generated, a processor unit that performs a process to determine a storage location of a file pointed to by the accessed link file in accordance with the first information set and the second information set registered on the memory, and a process to access the file stored at the determined storage location, and an update unit that updates the second information set indicating the storage location of the file such that the second information set indicates a storage location of the file subsequent to the movement of the file.Type: GrantFiled: September 16, 2011Date of Patent: August 20, 2013Assignee: Fuji Xerox Co., Ltd.Inventor: Masayuki Yamaguchi
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Patent number: 8487509Abstract: In order for keeping the amplitude of the excitation current of a vibrator constant irrespective not only of the temperature variation but also of the manufacturing variation and the variation in frequency, a comparison control circuit for controlling the amplitude of the drive signal for exciting the vibrator includes a comparative voltage supply circuit for supplying the comparative voltage, and the comparative voltage supply circuit generates the comparative voltage with a constant current source and a second resistor made of a material the same as a material of a first resistor included in a current-voltage conversion circuit.Type: GrantFiled: August 31, 2011Date of Patent: July 16, 2013Assignee: Seiko Epson CorporationInventor: Masayuki Yamaguchi
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Patent number: 8340445Abstract: An image encoding device comprises: a predicted value generation means for predicting target pixel data which is the pixel data of an encoding target pixel to generate predicted value data; a subtractor for calculating the difference value between the target pixel data and the predicted value data to generate difference value data; an encoding mode decision means for determining an encoding mode based on the difference value data and temporarily holding it in a buffer; an encoding target decision means for determining which data of the target pixel or the difference value is used as encoding target data to be encoded based on the encoding mode; a quantization means for applying a quantization processing to the encoding target data based on the encoding mode to generate quantized data; and a fixed-length code generation means for adding the encoding mode to the quantized data to generate a fixed-length code.Type: GrantFiled: September 30, 2008Date of Patent: December 25, 2012Assignee: Sharp Kabushiki KaishaInventors: Masayuki Yamaguchi, Akihisa Yamada, Shinichi Maeta
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Patent number: 8319536Abstract: An integrated circuit device includes a first rectangular wave signal generation section that outputs a first rectangular wave signal when an amplitude of an oscillation signal inputted is greater than a first amplitude, and a second rectangular wave signal generation section that outputs a second rectangular wave signal when the amplitude of the oscillation signal is greater than a second amplitude that is greater than the first amplitude, and that controls the power supply voltage of an oscillation circuit by the first and second rectangular wave signals so as to maintain an appropriate potential difference with respect to a stop voltage against changes in the oscillation stop voltage associated with changes in a temperature condition.Type: GrantFiled: November 5, 2010Date of Patent: November 27, 2012Assignee: Seiko Epson CorporationInventor: Masayuki Yamaguchi
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Publication number: 20120193453Abstract: A rotary atomization coating device is provided with a rotary atomizing head including a paint storage and adapted to atomize paint supplied to the paint storage and to discharge the paint onto a work, and a paint supplying nozzle adapted to supply the paint to the paint storage. The rotary atomizing head includes a plurality of bell cups. Each of the bell cups includes, at a front face thereof, a paint discharging face adapted to thin the paint by a centrifugal force. The rotary atomizing head includes a plurality of paint supplying holes corresponding to the respective bell cups. The paint supplying holes are adapted to supply the paint from the paint storage to the respective paint discharging faces. A plurality of grooves extending along a radial direction of the rotary atomizing head are formed at circumferential portions of the respective paint discharging faces.Type: ApplicationFiled: January 5, 2012Publication date: August 2, 2012Applicant: HONDA MOTOR CO., LTD.Inventors: Daisuke Nakazono, Junichi Fukuno, Masayuki Yamaguchi, Yusuke Nakajima
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Publication number: 20120191736Abstract: A file management apparatus includes a register unit that registers on a memory a first information set mapping a link file to a file and registers on the memory a second information set indicating a storage location of the file if the file is newly stored or if the link file pointing to the file is generated, a processor unit that performs a process to determine a storage location of a file pointed to by the accessed link file in accordance with the first information set and the second information set registered on the memory, and a process to access the file stored at the determined storage location, and an update unit that updates the second information set indicating the storage location of the file such that the second information set indicates a storage location of the file subsequent to the movement of the file.Type: ApplicationFiled: September 16, 2011Publication date: July 26, 2012Applicant: FUJI XEROX CO., LTD.Inventor: Masayuki YAMAGUCHI
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Publication number: 20120055254Abstract: In order for keeping the amplitude of the excitation current of a vibrator constant irrespective not only of the temperature variation but also of the manufacturing variation and the variation in frequency, a comparison control circuit for controlling the amplitude of the drive signal for exciting the vibrator includes a comparative voltage supply circuit for supplying the comparative voltage, and the comparative voltage supply circuit generates the comparative voltage with a constant current source and a second resistor made of a material the same as a material of a first resistor included in a current-voltage conversion circuit.Type: ApplicationFiled: August 31, 2011Publication date: March 8, 2012Applicant: SEIKO EPSON CORPORATIONInventor: Masayuki YAMAGUCHI