Patents by Inventor Kazuhiro Maeda

Kazuhiro Maeda 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).

  • Patent number: 9947266
    Abstract: A retention unit which retains input data, and a light emission control unit which compensates a value of a drive current that flows to a light emission element based on the input data which is retained in the retention unit, are provided in each pixel unit of a display device. While the light emission control unit displays input data of an image of an Nth frame during a light emission period TL (N) by driving the light emission element, input data of an image of an (N+1)th frame is written to the retention unit which becomes a pair together with the light emission control unit, as processing in a write processing period TS (N+1) of the (N+1)th frame.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: April 17, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yousuke Nakagawa, Kazuhiro Maeda
  • Patent number: 9922612
    Abstract: Upon each detection of an image switch by a display switch detection portion (27) included in a display control circuit (200), a selection frequency determination portion (23) makes a determination for each row corresponding to a scanning signal line as to whether or not the row includes any pixel with a middle tone. Further, a scanning signal output control portion (26) performs drive control such that any scanning signal line corresponding to a row without such a pixel is selected at intervals of one frame period. This results in reduced power consumption in selecting the scanning signal lines.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: March 20, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yousuke Nakagawa, Kazuhiro Maeda
  • Patent number: 9923336
    Abstract: A laser diode includes a ridge portion, channel portions located adjacent to the ridge portion such that the ridge portion is sandwiched, the channel portions being shorter in height than the ridge portion, terrace portions adjacent to opposite sides of the respective channel portions from the ridge portion and longer in height than the channel portions, supporting portions provided over the respective channel portions, separated from side surfaces of the ridge portion or side surfaces of terrace portions or both, and made of resin, a ceiling portion including first portions provided over the supporting portions and second portions continuous with the first portions and located over the respective channel portions with hollow portions interposed therebetween, the ceiling portion being made of resin, and a metal layer provided over the ceiling portion and connected to an upper surface of the ridge portion.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: March 20, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kazuhiro Maeda, Masafumi Minami, Naoki Nakamura, Daisuke Morita
  • Publication number: 20170358902
    Abstract: A laser diode includes a ridge portion, channel portions located adjacent to the ridge portion such that the ridge portion is sandwiched, the channel portions being shorter in height than the ridge portion, terrace portions adjacent to opposite sides of the respective channel portions from the ridge portion and longer in height than the channel portions, supporting portions provided over the respective channel portions, separated from side surfaces of the ridge portion or side surfaces of terrace portions or both, and made of resin, a ceiling portion including first portions provided over the supporting portions and second portions continuous with the first portions and located over the respective channel portions with hollow portions interposed therebetween, the ceiling portion being made of resin, and a metal layer provided over the ceiling portion and connected to an upper surface of the ridge portion.
    Type: Application
    Filed: January 17, 2017
    Publication date: December 14, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kazuhiro MAEDA, Masafumi MINAMI, Naoki NAKAMURA, Daisuke MORITA
  • Patent number: 9755854
    Abstract: A controller of a tag conversion apparatus configured holds tag conversion information associating addresses of communication apparatuses and information on tags of tagging schemes for network separation, analyzes a frame input from one of the plurality of ports and determine a current tagging scheme of the frame, determines a tagging scheme associated with a destination address of the frame based on the tag conversion information, and converts the frame to a frame of the tagging scheme associated with the destination address based on the tag conversion information when the tagging scheme associated with the destination address and the current tagging scheme are different.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: September 5, 2017
    Assignee: Hitachi Metals, Ltd.
    Inventors: Kazuhiro Maeda, Osamu Takada, Jyunji Kinoshita, Shingo Sugawara, Toshihiko Murakami, Hitoshi Kuwata
  • Patent number: 9744928
    Abstract: An attachment structure of a front fender cover of a utility vehicle, the attachment structure includes: a front fender; a front fender cover attached to the front fender by being inserted to a first end of the front fender and locked at a second end of the front fender; and a retaining member attached to the front fender or the front fender cover and configured to retain the front fender cover at the second end of the front fender at a predetermined distance from the front fender in a state where the front fender cover is inserted to the front fender and is not locked.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: August 29, 2017
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventor: Kazuhiro Maeda
  • Patent number: 9614501
    Abstract: A pulse generation circuit is configured with a plurality of transistors of a single conductivity type. The pulse generation circuit includes: an output unit including a current limiting element configured to supply, by a predetermined current, a first voltage from a first power supply line supplied with the first voltage to an output terminal, the output unit being configured to perform a bootstrap operation that outputs the first voltage to the output terminal in response to a received input signal; and an output control unit configured to initiate the bootstrap operation when the output terminal transitions to the first voltage, and after the output terminal transitions to the first voltage, terminate the bootstrap operation and perform control so as to output the first voltage from the current limiting element to the output terminal.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: April 4, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazuhiro Maeda, Yousuke Nakagawa
  • Patent number: 9604561
    Abstract: A grip mounting structure for a utility vehicle includes an R.O.P.S. surrounding a riding space provided with a seat, a front-seat central grip provided to the R.O.P.S. and having a holding portion configured to be held by a crew member sitting on the seat, and an additional grip detachably mounted to at least one of the R.O.P.S. and the front-seat central grip and having a holding portion configured to be held by the crew member. The holding portion of the additional grip has a projection amount to the riding space that is larger than a projection amount of the holding portion of the front-seat central grip to the riding space.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: March 28, 2017
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kazuhiro Maeda, Itsuo Takegami
  • Patent number: 9576845
    Abstract: A method for manufacturing a semiconductor device includes: forming a semiconductor element having an electrode on a main surface of a semiconductor substrate; forming a first resin film that encloses a side of the electrode while keeping a distance from the electrode of the semiconductor element on the main surface of the semiconductor substrate; and forming a hollow structure around the electrode of the semiconductor element by bonding a second resin film that covers over the electrode while keeping a distance from the electrode of the semiconductor element to a top surface of the first resin film.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: February 21, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kazuhiro Maeda, Koichiro Nishizawa
  • Publication number: 20170036585
    Abstract: A container holder attached to a utility vehicle and including a support member; an upper holding member attached to the support member and holding a side surface of a container; and a lower holding member attached to the support member and supporting a lower surface of a container; wherein the upper holding member is rotatable with respect to the support member between a first holding position of holding a container and a first accommodated position of holding no container, the lower holding member is rotatable with respect to the support member between a second holding position of holding a container and a second accommodated position of holding no container, the upper holding member located at the first accommodated position holds the lower holding member located at the second accommodated position, and the support member includes a fixing portion configured to fix the upper holding member at the first accommodated position.
    Type: Application
    Filed: August 7, 2015
    Publication date: February 9, 2017
    Inventors: Kazuhiro MAEDA, Itsuo TAKEGAMI
  • Publication number: 20160366013
    Abstract: Provided is a network system including a management device and one or more external networks which connect each of any two of computer systems, wherein the management device acquires communication performance of each of the external networks among a bandwidth, a delay, and a maximum transferable packet, receives a calculation request for the communication performance of a virtual network, specifies a configuration of the requested virtual network, calculates the communication packet of the specified virtual network based on the acquired communication performance of the external network, and provides information of the calculated communication performance of the virtual network to a manager.
    Type: Application
    Filed: March 25, 2016
    Publication date: December 15, 2016
    Applicant: HITACHI, LTD.
    Inventors: Ken AKUNE, Hitoshi YABUSAKI, Kazuhiro MAEDA, Junji KINOSHITA
  • Patent number: 9514697
    Abstract: When there are a plurality of rows with the same display content, a scanning order calculating portion (23) provided in a display control circuit (200) determines addresses sequentially such that scanning signal lines corresponding to the rows are selected at the same time. A scanning order setting portion (24) controls an address output portion (26) such that the scanning signal lines are selected in such an order, and also controls digital image signals DV outputted by output frame memory (22). In this case, the number of changes in potential for video signal lines can be reduced by the number of rows selected at the same time, resulting in reduced power consumption for driving the video signal lines.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: December 6, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazuhiro Maeda, Yousuke Nakagawa
  • Patent number: 9509985
    Abstract: In an image processing apparatus, images that can be comfortably viewed by a viewer with less eyestrain can be displayed on a display device. In the image processing apparatus in which a three-dimensional image and a two-dimensional image can be simultaneously displayed on a multi-screen, if the three-dimensional image and the two-dimensional image are simultaneously displayed on a display device, the three-dimensional image is converted into two dimensions, and is output to be displayed on the same screen in the same dimensions. Alternatively, in the image processing apparatus in which a three-dimensional image and a two-dimensional image can be simultaneously displayed on a multi-screen, if the three-dimensional image and the two-dimensional image are simultaneously displayed on a display device, the two-dimensional image is converted into three dimensions, and is output to be displayed on the same screen in the same dimensions.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: November 29, 2016
    Assignee: HITACHI MAXELL, LTD.
    Inventors: Kazuhiro Maeda, Takashi Kanemaru, Hidenori Sakaniwa
  • Publication number: 20160325663
    Abstract: A grip mounting structure for a utility vehicle includes an R.O.P.S. surrounding a riding space provided with a seat, a front-seat central grip provided to the R.O.P.S. and having a holding portion configured to be held by a crew member sitting on the seat, and an additional grip detachably mounted to at least one of the R.O.P.S. and the front-seat central grip and having a holding portion configured to be held by the crew member. The holding portion of the additional grip has a projection amount to the riding space that is larger than a projection amount of the holding portion of the front-seat central grip to the riding space.
    Type: Application
    Filed: May 5, 2015
    Publication date: November 10, 2016
    Inventors: Kazuhiro MAEDA, Itsuo TAKEGAMI
  • Patent number: 9488521
    Abstract: In a method of operating an optical sensor circuit (11) in accordance with one embodiment of the present invention, main reset is performed prior to sensing of incident light with use of a PIN diode (4) and, between the main reset and next main reset, auxiliary reset is performed so that a potential of a cathode terminal of the PIN diode (4) is reduced within a predetermined range within which storage of carriers is not induced in an intrinsic region of the PIN diode (4).
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: November 8, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazuhiro Maeda, Hiroaki Sugiyama, Yousuke Nakagawa, Yasuhiro Sugita
  • Publication number: 20160280162
    Abstract: A vehicle and a manufacturing method thereof is provided in which separation of positively charged airflow from a positively charged surface of a vehicle body can be prevented. A vehicle body is insulated from a road surface, and positive static charges accumulate on the vehicle body during propulsion. The vehicle comprises a self-discharge device that is adapted to decrease a positive potential of at least any one of specific points at which positively charged airflow flowing along a vehicle surface deviates therefrom, during propulsion of the vehicle, by discharging static electricity to produce negative ions according to the positive potential of the specific point.
    Type: Application
    Filed: August 29, 2014
    Publication date: September 29, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koshi YAMADA, Toshio TANAHASHI, Hisashi YABUKI, Kazuhiko OMASA, Yoji KANEHARA, Nagataka SASSA, Naohiko SAITO, Narito FUJII, Tsuyoshi OHKITA, Masaaki MORIMOTO, Kazuhiro MAEDA, Taro YAMASHITA, Fumiatsu SUZUKI
  • Publication number: 20160284307
    Abstract: Upon each detection of an image switch by a display switch detection portion (27) included in a display control circuit (200), a selection frequency determination portion (23) makes a determination for each row corresponding to a scanning signal line as to whether or not the row includes any pixel with a middle tone. Further, a scanning signal output control portion (26) performs drive control such that any scanning signal line corresponding to a row without such a pixel is selected at intervals of one frame period. This results in reduced power consumption in selecting the scanning signal lines.
    Type: Application
    Filed: June 14, 2016
    Publication date: September 29, 2016
    Inventors: Yousuke NAKAGAWA, Kazuhiro MAEDA
  • Patent number: 9440527
    Abstract: A utility vehicle according to the invention includes a body frame supporting a cabin disposed between a pair of left and right front wheels and a pair of left and right rear wheels, a cabin front wall extending substantially throughout a vehicle width at a front end of the cabin, and an inner fender covering a lower surface of a front chamber located ahead of the cabin and above the front wheels and extending substantially throughout the vehicle width. The cabin front wall and the inner fender are connected to each other substantially throughout the vehicle width and form a front wheel space including wheel housings of the front wheels and a space between the front wheels.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: September 13, 2016
    Assignee: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Kazuhiro Maeda, Itsuo Takegami
  • Patent number: 9401119
    Abstract: Upon each detection of an image switch by a display switch detection portion (27) included in a display control circuit (200), a selection frequency determination portion (23) makes a determination for each row corresponding to a scanning signal line as to whether or not the row includes any pixel with a middle tone. Further, a scanning signal output control portion (26) performs drive control such that any scanning signal line corresponding to a row without such a pixel is selected at intervals of one frame period. This results in reduced power consumption in selecting the scanning signal lines.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: July 26, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yousuke Nakagawa, Kazuhiro Maeda
  • Patent number: 9381956
    Abstract: In a vehicle to which a vehicle body front structure is applied, an opening portion is formed behind a rear end portion of an arch portion. The opening portion is held in communication with an air flow passage, and is opened backward with respect to the vehicle. Then, the air caused to flow into the air flow passage during traveling of the vehicle flows from a front side toward a rear side with respect to the vehicle, and is discharged from the opening portion backward with respect to the vehicle. Thus, the air current blown out from the air flow passage to an outside of the wheel house in a vehicle width direction via the wheel house is restrained from being produced. Therefore, the traveling wind flowing outside the wheel house in the vehicle width direction is restrained from hitting the air current.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: July 5, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Fumihiko Kishima, Kazuhiro Maeda, Kazuya Koizumi, Taro Yamashita