Patents by Inventor Yoshiaki Kato
Yoshiaki Kato 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: 9036713Abstract: An image encoding device include a predicting unit for adaptively determining the size of each motion prediction unit block according to color component signals, and for dividing each motion prediction unit block into motion, vector allocation regions to search for a motion vector, and a variable length encoding unit for, when a motion vector is allocated to the whole of each motion prediction unit block, performing encoding in mc_skip mode if the motion vector is equal to an estimated vector and a prediction error signal does not exist, and for, when each motion vector allocation region has a size equal to or larger than a predetermined size and a motion vector is allocated to the whole of each motion vector allocation region, performing encoding in sub_mc_skip mode if the motion vector is equal to an estimated vector and a prediction error signal does not exist.Type: GrantFiled: December 4, 2014Date of Patent: May 19, 2015Assignee: Mitsubishi Electric CorporationInventors: Shunichi Sekiguchi, Kazuo Sugimoto, Yusuke Itani, Akira Minezawa, Yoshiaki Kato
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Patent number: 9001892Abstract: A moving image encoder has an image separating unit (1) for generating four separate images (1)-(4) by sampling pixels constituting an input image every two alternate pixels in the horizontal direction and each alternate pixel in the vertical direction. An intraframe predictive coding unit performs intraframe predictive coding of the separate image (1) by using pixels constituting the separate image (1) produced by the image separating unit (1). An inter-separate image predictive coding unit 12 performs inter-separate image predictive coding of the separate images (2)-(4) produced by the image separating unit 1 by using the pixels constituting the separate image (1) produced by the image separating unit (1).Type: GrantFiled: November 13, 2009Date of Patent: April 7, 2015Assignee: Mitsubishi Electric CorporationInventors: Yoshimi Moriya, Yoshihisa Yamada, Shunichi Sekiguchi, Yoshiaki Kato
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Publication number: 20150085937Abstract: An image encoding device include a predicting unit for adaptively determining the size of each motion prediction unit block according to color component signals, and for dividing each motion prediction unit block into motion, vector allocation regions to search for a motion vector, and a variable length encoding unit for, when a motion vector is allocated to the whole of each motion prediction unit block, performing encoding in mc_skip mode if the motion vector is equal to an estimated vector and a prediction error signal does not exist, and for, when each motion vector allocation region has a size equal to or larger than a predetermined size and a motion vector is allocated to the whole of each motion vector allocation region, performing encoding in sub_mc_skip mode if the motion vector is equal to an estimated vector and a prediction error signal does not exist.Type: ApplicationFiled: December 4, 2014Publication date: March 26, 2015Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Yusuke ITANI, Akira MINEZAWA, Yoshiaki KATO
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Patent number: 8981282Abstract: A photoelectric encoder includes a light-emitting element, a scale, a lens, a PDA, and a signal processing circuit. The signal processing circuit includes a distortion table, a distortion compensation circuit, and a position analyzing circuit. The distortion table is calculated in advance on the basis of pieces of distortion information that were obtained by a distortion simulation using design values of the optical system such as the lens. The distortion compensation circuit corrects a light/dark signal of the PDA by eliminating distortion caused by the optical system by changing the positions of the respective PDs of the PDA virtually on the basis of the distortion table and the pieces of position information of the respective PDs. The position analyzing circuit analyzes a position of the scale on the basis of the corrected light/dark signal.Type: GrantFiled: October 25, 2012Date of Patent: March 17, 2015Assignee: Mitutoyo CorporationInventor: Yoshiaki Kato
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Publication number: 20150060653Abstract: A photoelectric encoder includes an absolute scale provided with an absolute pattern based on pseudo-random data, and a detection head including a light source that emits light to the absolute pattern of the absolute scale, and a light receiving unit that receives light from the absolute pattern, and it detects an absolute position of the detection head with respect to the absolute scale. In the photoelectric encoder, the absolute pattern is composed of a grating part and a dark part arranged in a repetitive manner. The photoelectric encoder further includes an interference pattern generation means that generates an interference pattern in combination with the grating part, and an interference pattern signal processing unit that detects the pseudo-random data of the absolute pattern based on the interference pattern received by the light receiving unit.Type: ApplicationFiled: September 2, 2014Publication date: March 5, 2015Inventors: Toru Yaku, Yoshiaki Kato
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Publication number: 20150043630Abstract: An image decoding device and an image decoding method are disclosed. The decoding device includes: a variable length decoder to variable-length-decode an inputted encoded bit stream to obtain a parameter for prediction signal generation, a compressed difference image, and filters; and a filtering processor to carry out a filtering process on a decoded image acquired by adding a prediction image and a difference image, wherein the prediction image is generated by using the parameter for prediction signal generation, and the difference image is acquired by decoding the compressed difference image, wherein the variable length decoder variable-length-decodes class identification information for a block in the decoded image, and wherein the filtering processor refers to the class identification information for the block to determine a class for the block, and carries out a filtering process on the block based on the determined class and the filters.Type: ApplicationFiled: October 15, 2014Publication date: February 12, 2015Applicant: Mitsubishi Electric CorporationInventors: Akira MINEZAWA, Shunichi SEKIGUCHI, Kazuo SUGIMOTO, Yusuke ITANI, Yoshimi MORIYA, Norimichi HIWASA, Shuichi YAMAGISHI, Yoshihisa YAMADA, Yoshiaki KATO, Kohtaro ASAI, Tokumichi MURAKAMI
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Patent number: 8934548Abstract: An image encoding device include a predicting unit for adaptively determining the size of each motion prediction unit block according to color component signals, and for dividing each motion prediction unit block into motion vector allocation regions to search for a motion vector, and a variable length encoding unit for, when a motion vector is allocated to the whole of each motion prediction unit block, performing encoding in mc_skip mode if the motion vector is equal to an estimated vector and a prediction error signal 5 does not exist, and for, when each motion vector allocation region has a size equal to or larger than a predetermined size and a motion vector is allocated to the whole of each motion vector allocation region, performing encoding in sub_mc_skip mode if the motion vector is equal to an estimated vector and a prediction error signal does not exist.Type: GrantFiled: May 27, 2010Date of Patent: January 13, 2015Assignee: Mitsubishi Electric CorporationInventors: Shunichi Sekiguchi, Kazuo Sugimoto, Yusuke Itani, Akira Minezawa, Yoshiaki Kato
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Publication number: 20150004676Abstract: A microchip is provided and configured to contain a sample solution for analysis. The microchip including a channel that is maintained at a pressure level less than atmospheric pressure so as to allow flow of the sample solution thru the channel; and a pressure indication section configured to detect a change in the pressure level. A microchip apparatus and a method of manufacturing a microchip are also provided.Type: ApplicationFiled: January 30, 2013Publication date: January 1, 2015Inventors: Masahiro Matsumoto, Michihiro Ohnishi, Yoshiaki Kato, Toshio Watanabe
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Publication number: 20140362464Abstract: A position detection encoder includes a scale and a detection head and has position detection circuits which are capable of outputting respective pieces of position information on Xf, Xs two tracks. The displacement detection encoder includes: a speed detection circuit which is provided in the detection head and detects a relative speed Xf, Xs relative to the scale; and a delay generation circuit which provides a time difference between two output request signals, the time difference being provided on the basis of a fine adjustment time tadj based on the relative speed Xf, Xs and the respective pieces of position information Xf, Xs on the two tracks, the output request signals St1, St2 urging the first and second position detection circuits to output the pieces of position information on Xf, Xs the two tracks.Type: ApplicationFiled: May 22, 2014Publication date: December 11, 2014Applicant: MITUTOYO CORPORATIONInventor: Yoshiaki KATO
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Publication number: 20140311910Abstract: Provided is a microchip including: an inlet part to which a liquid is injected; a plurality of analysis areas to which the liquid is supplied from the inlet part; and a flow channel which is formed to supply the liquid to the plurality of analysis areas at the same time.Type: ApplicationFiled: March 24, 2014Publication date: October 23, 2014Applicant: Sony CorporationInventors: Naohisa Sakamoto, Masahiro Matsumoto, Hidetoshi Watanabe, Michihiro Ohnishi, Yoshiaki Kato, Toshio Watanabe
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Publication number: 20140241955Abstract: A liquid injecting jig is provided. The liquid injecting jig includes a jig configuration including a plurality of parts adapted to be in cooperative engagement so as to position a channel within the jig configuration, wherein the jig configuration is adapted to fit an opening through which the channel is adapted to be received so as to expose the channel from the jig configuration. A jig set, a microchip case, and a microchip set are also provided.Type: ApplicationFiled: October 4, 2012Publication date: August 28, 2014Inventors: Toshio Watanabe, Kensuke Kojima, Yuji Segawa, Hidetoshi Watanabe, Yoshiaki Kato
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Patent number: 8809764Abstract: An absolute position measuring encoder having an ABS/INC integrated pattern obtained by integrating an absolute pattern and an incremental pattern together is provided. The absolute position measuring encoder includes an imaging optical system (lens) designed to generate an amplitude difference between a light and dark signal derived from the absolute pattern and light and dark signal derived from the incremental pattern, and a signal processing system (comparator) for separating a received light signal from the ABS/INC integrated pattern into an absolute pattern signal and an incremental pattern signal by utilizing the amplitude difference. Accordingly, an absolute pattern signal and an incremental pattern signal can be separated off from the ABS/INC integrated pattern at a high speed with a simple processing circuit.Type: GrantFiled: August 29, 2012Date of Patent: August 19, 2014Assignee: Mitutoyo CorporationInventor: Yoshiaki Kato
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Publication number: 20140217271Abstract: In a separate linear encoder, a scale is further provided with an ABS track that is arranged in parallel with an INC track and a detection head includes an ABS detection portion that reads the ABS track. The separate linear encoder includes a calculation portion that obtains a yaw angle of the detection head with respect to a scale based on a gap between an INC detection portion and an ABS detection portion and a difference amount between a position value of the INC track, which is detected by the INC detection portion, and a position of the ABS track, which is detected by the ABS detection portion. The calculation portion also obtains a signal strength based on two-phase sine wave signals that are output from the INC detection portion. The separate linear encoder further includes a display device that displays a plurality of yaw angles and the signal strengths corresponding to the respective yaw angles.Type: ApplicationFiled: February 5, 2014Publication date: August 7, 2014Applicant: MITUTOYO CORPORATIONInventor: Yoshiaki Kato
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Patent number: 8729458Abstract: A detection head includes a plurality of detection array portions that are arranged in a direction along which the head is relatively displaceable. Position signals indicating a position of the detection head are calculated from output signals output from the detection array portions. In order to combine the position signals with one another and determine the position of the detection head with respect to the scale, weighting according to a level of the output signal is performed on the position signal of each of the detection array portions, and the weighted position signals are averaged.Type: GrantFiled: October 5, 2011Date of Patent: May 20, 2014Assignee: Mitutoyo CorporationInventor: Yoshiaki Kato
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Publication number: 20140134077Abstract: There is provided a sample liquid injection tool including a reservoir section configured to store a sample liquid, a channel having one end protruding from an outer surface and configured to discharge the sample liquid therein from a protrusion end to an outside, and a heating unit and a filter installed between the reservoir section and the channel to enable passage of the liquid.Type: ApplicationFiled: November 6, 2013Publication date: May 15, 2014Applicant: Sony CorporationInventors: Tasuku Yotoriyama, Yuji Segawa, Michihiro Ohnishi, Yoshiaki Kato, Tomoteru Abe, Kenzo Machida, Masahiro Matsumoto, Tomohiko Nakamura, Naohisa Sakamoto, Hidetoshi Watanabe, Takanori Anaguchi, Masayoshi Akita, Masahiro Miyachi
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Publication number: 20140038280Abstract: There is provided a microchip for a nucleic acid amplification reaction including a reagent accommodation region including a solid-phase reagent and a particle, the solid-phase reagent containing a substance necessary for a nucleic acid amplification reaction.Type: ApplicationFiled: July 30, 2013Publication date: February 6, 2014Applicant: Sony CorporationInventors: Masaki Sato, Tomohiko Nakamura, Kenzo Machida, Toshio Watanabe, Yoshiaki Kato, Michihiro Ohnishi
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Publication number: 20140021342Abstract: An encoder includes a light receiving part and a computing part. The light receiving part receives reflected light from a scale and outputs N-phase sinusoidal signals in which respective phases of fundamental waves differ by 2?/N (N is an integer more than or equal to 5). The computing part outputs a two-phase sinusoidal signal including an A phase and a B phase according to each of the N-phase sinusoidal signals. The A phase is expressed by a real part of sum of multiplier of N-phase sinusoidal waves and a member including the N. The B phase is expressed by an imaginary part of the sum of the multiplier of the N-phase sinusoidal waves and a member including the N.Type: ApplicationFiled: July 17, 2013Publication date: January 23, 2014Inventor: Yoshiaki Kato
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Patent number: 8570419Abstract: A solid-state imaging device includes vertical transfer units each including first and second transfer units. A drive control unit controls transfer processes of the vertical transfer units so that (i) after transferring a packet, the first transfer unit stops transferring another packet in a period during which the packet is horizontally transferred, (ii) the second transfer unit in the same group transfers the packet to a horizontal transfer unit at a timing different from a timing at which another second transfer unit in the same group transfers a different packet to the horizontal transfer unit, (iii) the horizontal transfer unit horizontally transfers the received packet in a horizontal transfer period different from another horizontal transfer period during which the different packet is horizontally transferred, and (iv) at least one charge transfer stage serving as the well region differs between these horizontal transfer periods.Type: GrantFiled: September 22, 2010Date of Patent: October 29, 2013Assignee: Panasonic CorporationInventor: Yoshiaki Kato
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Patent number: 8543175Abstract: To provide a mobile terminal device that can eliminate influence of static electricity upon signal lines of a signal-line flexible board that is placed through a connecting unit that connects two casings to be able to overlie one another. In the mobile terminal device, one of the casings and the other casing are connected through a connecting unit to be able to overlie one another, and a signal-line flexible board that connects circuit boards housed in one of the casings and the other casing, respectively, is placed through the connecting unit. The mobile terminal device includes a pair of frame-grounded flexible boards that are formed wider than the signal-line flexible board to have a conductor pattern frame grounded, and sandwich both outer surfaces of the signal-line flexible board therebetween.Type: GrantFiled: September 16, 2005Date of Patent: September 24, 2013Assignee: Fujitsu LimitedInventors: Hidekatsu Kobayashi, Wataru Murata, Hiroaki Matsuda, Yoshifumi Kajiwara, Masamichi Watanabe, Tatsuhito Araki, Yoshiaki Kato
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Patent number: 8531775Abstract: In one example embodiment, a liquid lens includes a pair of transparent members and a transparent liquid composed of a silicone oil not having compatibility with the fluorinated elastomeric membrane. In one example embodiment, at least one of the transparent members is a deformable deformation membrane formed of a fluorinated elastomeric membrane. In one example embodiment, the transparent liquid fills an enclosed space sandwiched between the pair of transparent members.Type: GrantFiled: September 16, 2009Date of Patent: September 10, 2013Assignee: Sony CorporationInventors: Kayoko Tanaka, Yoshiaki Kato, Fumisada Maeda, Akira Suzuki, Sachiko Sakaigawa