Patents by Inventor Yuji Hamada

Yuji Hamada 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: 8972107
    Abstract: A vehicle-mounted communication device includes wireless units 3a and 3b that switch a frequency that performs wireless communication with antennas 2a and 2b between a frequency for wireless communication for ITS and a frequency for wireless LAN communication, a parking determination unit 6 that determines whether or not a vehicle is parked, a parking position storage unit 6a that stores as a parking position a position where it is determined that the vehicle is parked by the parking determination unit 6, and a wireless control unit 4 that controls the wireless units 3a and 3b to perform the wireless communication for ITS with the antennas 2a and 2b when the vehicle is running, and switch the wireless communication for ITS or the wireless LAN communication to be performed with the antennas 2a and 2b on the basis of the parking position stored in the parking position storage unit 6a when the vehicle is parked.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: March 3, 2015
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shigeki Morita, Yuji Hamada
  • Publication number: 20150019052
    Abstract: A train state retriever acquires the state of a train. Based on the state of the train, a transmission priority determiner determines a transmission priority in transmitting transmission data serving as a transmission object to a transmission path. A transmitter transmits the transmission data to the transmission path in accordance with the determined transmission priority.
    Type: Application
    Filed: October 23, 2012
    Publication date: January 15, 2015
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takaya Katsuragi, Satoru Takahashi, Yuji Hamada
  • Publication number: 20140288774
    Abstract: A vehicle-mounted communication device includes wireless units 3a and 3b that switch a frequency that performs wireless communication with antennas 2a and 2b between a frequency for wireless communication for ITS and a frequency for wireless LAN communication, a parking determination unit 6 that determines whether or not a vehicle is parked, a parking position storage unit 6a that stores as a parking position a position where it is determined that the vehicle is parked by the parking determination unit 6, and a wireless control unit 4 that controls the wireless units 3a and 3b to perform the wireless communication for ITS with the antennas 2a and 2b when the vehicle is running, and switch the wireless communication for ITS or the wireless LAN communication to be performed with the antennas 2a and 2b on the basis of the parking position stored in the parking position storage unit 6a when the vehicle is parked.
    Type: Application
    Filed: February 24, 2012
    Publication date: September 25, 2014
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shigeki Morita, Yuji Hamada
  • Publication number: 20140261184
    Abstract: An organic thin film deposition system is disclosed. The organic thin film deposition system includes: a plurality of crucibles each having an inlet capable of selectively being opened and closed; an organic composite material made up of two or more organic materials and having an initial composition ratio, the organic composite material for placing in the plurality of crucibles; and a transferring unit for controlling a position of the plurality of crucibles.
    Type: Application
    Filed: May 27, 2014
    Publication date: September 18, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yuji Hamada, Hye-In Jeong
  • Patent number: 8835022
    Abstract: Disclosed are a metal complex compound represented by the following Chemical Formula 1 or 3, and an organic light emitting diode device including the same. In Chemical Formulae 1 and 3, M1, M2, R1 to R14, y1 and y2 are as defined in the detailed description.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: September 16, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yuji Hamada, Kwan-Hee Lee
  • Publication number: 20140191884
    Abstract: Disclosed is a vehicle-mounted communication device that carries out radio communications with a communication device for pedestrians which is carried by a pedestrian, the vehicle-mounted communication device including: a receiver that receives pedestrian information showing whether the pedestrian belongs to a pedestrian group formed of the pedestrian and a plurality of pedestrians in the vicinity of the pedestrian from the communication device for pedestrians; a controller that judges the pedestrian information received by the receiver and issues a command to present pedestrian attention information when the pedestrian information shows that the pedestrian does not belong to a pedestrian group; and an information outputter that presents the pedestrian attention information according to the command from the controller. Therefore, the vehicle-mounted communication device enables the driver to certainly recognize the existence of a pedestrian not belonging to a pedestrian group.
    Type: Application
    Filed: November 29, 2011
    Publication date: July 10, 2014
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takashi Maeda, Yuji Igarashi, Yuji Hamada, Hisashi Sugawara, Takatoshi Tosa
  • Publication number: 20140125641
    Abstract: A display control apparatus includes a reception frequency acquisition unit configured to acquire a reception frequency, a reception quality acquisition unit configured to acquire reception quality, a first data acquisition unit configured to acquire first data at a reception frequency, a second data acquisition unit configured to acquire second data from a signal of a reception frequency, a display control unit configured to control display of first data until acquisition of second data after acquisition of first data, and a display unit configured to display first data and/or second data in accordance with control of a display control unit.
    Type: Application
    Filed: November 30, 2012
    Publication date: May 8, 2014
    Inventors: Takashi Tajima, Yuji Hamada, Nobuyuki Onishi
  • Publication number: 20130257338
    Abstract: To provide a motor control circuit that variably controls the speed of a motor, in which an appropriate control gain corresponding to the speed of the motor that is set can be automatically set. The motor control circuit includes a period error signal output means, a speed error signal output means and a gain correction means.
    Type: Application
    Filed: December 8, 2011
    Publication date: October 3, 2013
    Applicants: PANASONIC CORPORATION, MINEBEA CO., LTD.
    Inventors: Tomohiro Inoue, Kenichi Kishimoto, Yuji Hamada
  • Publication number: 20130249456
    Abstract: To provide a motor control circuit that variably controls the speed of a motor, in which an appropriate advance angle value corresponding to the speed of the motor that is set can be automatically set. The motor control circuit according to the present invention includes an advance angle setting means that adds a reference advance angle value to an advance angle correction value obtained by multiplying a proportional coefficient by a correction amount and outputs an advance angle setting signal, and an advance angle setting correction means that uses a ratio of a correction reference period relative to a period of a reference signal input from the outside as a correction amount and corrects the reference advance angle value by an advance angle correction value obtained by multiplying the correction amount by a predetermined proportional coefficient of the advance angle setting means.
    Type: Application
    Filed: December 8, 2011
    Publication date: September 26, 2013
    Applicants: PANASONIC CORPORATION, MINEBEA CO., LTD.
    Inventors: Tomohiro Inoue, Yuji Hamada
  • Patent number: 8512881
    Abstract: Disclosed are an organic material including a compound represented by the following Chemical Formula 1, and an organic light emitting device including the organic material. In Chemical Formula 1, A is an oxygen (O) atom or a sulfur (S) atom, M is a divalent or trivalent metal atom, R1 is an organic group, Y is a substituted or unsubstituted condensed polycyclic aromatic group, Z1 to Z4 are independently a carbon atom or a nitrogen atom, m is an integer ranging from 1 to 4, and n is 2 or 3.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: August 20, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yuji Hamada, Kwan-Hee Lee
  • Patent number: 8494709
    Abstract: An on-vehicle communication device capable of suppressing a delay in providing information, avoiding congestion, and sufficiently securing transmission power, includes a communication controller to controls a transmission cycle and transmission power when data is transmitted from a transmitting/receiving device. The communication controller uses its own vehicle information and surrounding vehicle information to estimate a degree of risk and a safe distance of its own vehicle. The communication controller controls the transmission cycle of its own vehicle based on a communication channel utilization rate of its own vehicle, a communication channel utilization rate of a surrounding vehicle and the degree of risk of its own vehicle, and controls the transmission power of its own vehicle based on the communication channel utilization rate of its own vehicle, the communication channel utilization rate of the surrounding vehicle and the safe distance.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: July 23, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yuji Hamada, Yoshitsugu Sawa, Yukio Goto, Shigeki Morita
  • Patent number: 8412107
    Abstract: An on-board communication device and a cooperative road-to-vehicle/car-to-car communication system that are adaptable to a road-to-vehicle communication system and a car-to-car communication system. The on-board communication device includes a car-to-car communication transfer service processing section, a car-to-car communication management service processing section, an application processing section, a transaction managing section, a transfer service processing section, a transmission/reception service processing section, and a transmission/reception service managing section, in which the car-to-car communication transfer service processing section and the car-to-car communication management service processing section include interfaces to the transfer service processing section that is an existing road-to-vehicle communication protocol.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: April 2, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yuji Hamada, Yoshitsugu Sawa, Yukio Goto, Shigeki Morita, Yoshiaki Tsuda
  • Publication number: 20120321789
    Abstract: An organic thin film deposition system is disclosed. The organic thin film deposition system includes: a plurality of crucibles each having an inlet capable of selectively being opened and closed; an organic composite material made up of two or more organic materials and having an initial composition ratio, the organic composite material for placing in the plurality of crucibles; and a transferring unit for controlling a position of the plurality of crucibles.
    Type: Application
    Filed: October 27, 2011
    Publication date: December 20, 2012
    Inventors: Yuji Hamada, Hye-In Jeong
  • Publication number: 20120275334
    Abstract: A communication control apparatus in which, when requested to transmit (transmission) terminal information from information processing means, a transmission timing controller obtains past own terminal communication band information from an information storage, and determines whether or not to control a transmission timing. Moreover, the transmission timing controller calculates a back-off parameter for the control based on a past reception power information history that is obtained from the information storage, and sets a back-off parameter to a transmission device.
    Type: Application
    Filed: February 24, 2011
    Publication date: November 1, 2012
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yuji Hamada, Yukio Goto, Masahiko Ikawa, Shigeki Morita
  • Patent number: 8255537
    Abstract: A vehicle communication device for using a plurality of applications in an inter-vehicle communication, and performing a control to avoid congestion of its own vehicle and the other vehicles. There is a vehicle communication device including a plurality of application units for performing the inter-vehicle communication, a lower protocol unit for transmitting and receiving data between vehicles, and a middleware unit intervening between said application units and the lower protocol unit. The middleware unit includes a transfer service processing unit, a communication control service unit, and a transmission/reception control processing unit. The communication control service unit controls a congestion avoiding process of its own vehicle and other vehicles based on application priority received for each of the application units, priority for each vehicle, and channel usage rate obtained from the lower protocol unit.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: August 28, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yuji Hamada, Yoshitsugu Sawa, Masahiko Ikawa, Hiroshi Araki, Yukio Goto
  • Patent number: 8153275
    Abstract: It is an object of the present invention to provide an organic electroluminescent element having a longer lifetime. In order to accomplish the object, an organic electroluminescent element adapted to comprise a light emitting layer including an organic material between an anode and a cathode is provided with a hole transport layer for transporting holes injected from the anode toward the light emitting layer. Along with the hole transport layer, an intermediate layer having an energy level of a lowest unoccupied molecular orbital lower than those of the hole transport layer and the light emitting layer is provided therebetween.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: April 10, 2012
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Yuji Hamada, Haruhisa Hashimoto, Masahiro Iyori, Kazuki Nishimura, Kenji Okumoto, Masaya Nakai
  • Publication number: 20120074389
    Abstract: Disclosed are a metal complex compound represented by the following Chemical Formula 1 or 3, and an organic light emitting diode device including the same. In Chemical Formulae 1 and 3, M1, M2, R1 to R14, y1 and y2 are as defined in the detailed description.
    Type: Application
    Filed: July 12, 2011
    Publication date: March 29, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Yuji HAMADA, Kwan-Hee LEE
  • Publication number: 20120001157
    Abstract: Disclosed are an organic composition including a compound represented by Chemical Formula 1, and an organic light emitting device including the composition. In Chemical Formula 1, A1, A2, A3, A4, B1, B2, B3 and B4 are independently selected from hydrogen, a C1 to C20 alkyl group, a C1 to C20 alkenyl group, an amino group, a C1 to C20 ether group, a C1 to C20 carboxyl group, a C1 to C20 ester group, a nitro group, a cyano group, a C3 to C30 aromatic group, and a halogen-containing group, provided that at least one of A1 to A4 and at least one of B1 to B4 are a substituted or unsubstituted aromatic group and form a fused ring structure by being bound to an adjacent substituent, M is a divalent or trivalent metal, X is oxygen (O) or sulfur (S), and y is 2 or 3.
    Type: Application
    Filed: June 20, 2011
    Publication date: January 5, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Yuji HAMADA, Kwan-Hee LEE
  • Publication number: 20110285274
    Abstract: An organic material for an organic light emitting diode (OLED) display, and an OLED display are provided, and the organic material includes an anthracene derivative includes at least deuterium.
    Type: Application
    Filed: April 29, 2011
    Publication date: November 24, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Yuji Hamada, Kwan-Hee Lee
  • Publication number: 20110278558
    Abstract: An organic light-emitting device including a first electrode, a plurality of hole transport layers, a plurality of intermediate layers, an emission layer, a plurality of electron transport layers, and a second electrode. The emission layer may include a host, an emitting dopant, and an auxiliary dopant. The host and the auxiliary dopant are able to transport different types of carriers.
    Type: Application
    Filed: May 5, 2011
    Publication date: November 17, 2011
    Inventor: Yuji Hamada