Patents by Inventor Koji Imamura

Koji Imamura 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: 10522758
    Abstract: An ink for forming a functional layer, which is used when any thin film layer among functional layers consisting of a plurality of thin film layers is formed, includes a functional layer forming material and a solvent for dissolving the functional layer forming material, and in which the number of particles of 0.5 ?m or more is 7 or less in 10 ml of the ink for forming a functional layer.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: December 31, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Koji Imamura, Masahiro Uchida, Takuya Sonoyama
  • Publication number: 20190325723
    Abstract: A wireless communications system according to an aspect includes a communications terminal, a detection unit, and a control unit. The communications terminal includes a communications unit to communicate wirelessly with a communications partner terminal. The detection unit detects movement of the communications terminal. The control unit controls the communications terminal so as to vary a communicable area of the communications unit. The communicable area is defined relatively to the communications terminal. The control unit varies the communicable area according to at least magnitude of the movement detected by the detection unit.
    Type: Application
    Filed: April 17, 2019
    Publication date: October 24, 2019
    Inventors: Koji IMAMURA, Shinichi OKADA, Motoo NAKAGAWA, Masahiro KUMAGAWA, Junichi TAKAHASHI
  • Publication number: 20190213572
    Abstract: A wireless reading system includes a goods path and a reader device. The goods path allows one or more goods held by a customer passing through a customer path to be moved along. The reader device is configured to perform wireless communication, whose medium is radio waves, with one or more electronic tags attached to the one or more goods while the one or more goods are moved along the goods path, thereby reading one or more pieces of goods information on the one or more goods, respectively.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 11, 2019
    Inventors: Koji IMAMURA, Atsushi MARUYAMA, Shinichi OKADA, Motoo NAKAGAWA, Masahiro KUMAGAWA, Shinsuke OGATA
  • Patent number: 10292099
    Abstract: Provided is a transmission apparatus capable of reducing power consumption of a reception apparatus. The transmission apparatus includes a modulator that modulates a data signal to generate a transmission signal. The modulator modulates the data signal by assigning the data signal to a frequency difference between a first frequency and a second frequency in a carrier.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: May 14, 2019
    Assignee: Panasonic Corporation
    Inventors: Koji Imamura, Takayuki Abe
  • Patent number: 10167403
    Abstract: An ink according to an embodiment includes a functional layer forming material, wherein the ejection amount of a droplet ejected from a nozzle of an inkjet head is 9.5 ng or more and 11 ng or less, and the length of the droplet when the droplet is ejected from the nozzle at an ejection velocity of 6 m/sec or more and 9 m/sec or less is 250 ?m or less.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: January 1, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Koji Imamura, Takuya Sonoyama
  • Publication number: 20180201801
    Abstract: An ink according to an embodiment includes a functional layer forming material, wherein the ejection amount of a droplet ejected from a nozzle of an inkjet head is 9.5 ng or more and 11 ng or less, and the length of the droplet when the droplet is ejected from the nozzle at an ejection velocity of 6 m/sec or more and 9 m/sec or less is 250 ?m or less.
    Type: Application
    Filed: March 13, 2018
    Publication date: July 19, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Koji IMAMURA, Takuya SONOYAMA
  • Patent number: 9951241
    Abstract: An ink according to an embodiment includes a functional layer forming material, wherein the ejection amount of a droplet ejected from a nozzle of an inkjet head is 9.5 ng or more and 11 ng or less, and the length of the droplet when the droplet is ejected from the nozzle at an ejection velocity of 6 m/sec or more and 9 m/sec or less is 250 ?m or less.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: April 24, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Koji Imamura, Takuya Sonoyama
  • Publication number: 20170338413
    Abstract: An ink for forming a functional layer, which is used when any thin film layer among functional layers consisting of a plurality of thin film layers is formed, includes a functional layer forming material and a solvent for dissolving the functional layer forming material, and in which the number of particles of 0.5 ?m or more is 7 or less in 10 ml of the ink for forming a functional layer.
    Type: Application
    Filed: August 1, 2017
    Publication date: November 23, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Koji IMAMURA, Masahiro UCHIDA, Takuya SONOYAMA
  • Patent number: 9825225
    Abstract: An ink for forming a functional layer, which is used when any thin film layer among functional layers consisting of a plurality of thin film layers is formed, includes a functional layer forming material and a solvent for dissolving the functional layer forming material, and in which the number of particles of 0.5 ?m or more is 7 or less in 10 ml of the ink for forming a functional layer.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: November 21, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Koji Imamura, Masahiro Uchida, Takuya Sonoyama
  • Publication number: 20170267880
    Abstract: To provide a film-forming ink and a film formation method, capable of making the dimensional accuracy of a film to be formed excellent by increasing the apparent liquid droplet amount of a film-forming ink to be supplied as a liquid droplet into an opening part included in a partition wall, and also to provide a device with a film and an electronic apparatus, each of which has a film formed using the film formation method. A film-forming ink of the invention includes a film-forming material and a liquid medium in which the film-forming material is dissolved or dispersed, wherein the liquid medium contains a first component which has a boiling point at an atmospheric pressure of 200° C. or higher and a second component which has a boiling point at an atmospheric pressure lower than the first component.
    Type: Application
    Filed: November 30, 2015
    Publication date: September 21, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takuya SONOYAMA, Koji IMAMURA, Shotaro WATANABE
  • Patent number: 9755147
    Abstract: An ink for forming a functional layer, which is used when any thin film layer among functional layers consisting of a plurality of thin film layers is formed, includes a functional layer forming material and a solvent for dissolving the functional layer forming material, and in which the number of particles of 0.5 ?m or more is 7 or less in 10 ml of the ink for forming a functional layer.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: September 5, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Koji Imamura, Masahiro Uchida, Takuya Sonoyama
  • Publication number: 20170058140
    Abstract: An ink according to an embodiment includes a functional layer forming material, wherein the ejection amount of a droplet ejected from a nozzle of an inkjet head is 9.5 ng or more and 11 ng or less, and the length of the droplet when the droplet is ejected from the nozzle at an ejection velocity of 6 m/sec or more and 9 m/sec or less is 250 ?m or less.
    Type: Application
    Filed: August 26, 2016
    Publication date: March 2, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Koji IMAMURA, Takuya SONOYAMA
  • Patent number: 9480019
    Abstract: A wireless communication apparatus in a first wireless communication system is equipped with a power detector for detecting power of a reception signal; an envelope detector for detecting an envelope signal of the reception signal; a signal determiner for determining whether the reception signal is a first signal to be used for a communication in the first wireless communication system, on the basis of a variation amount of the envelope signal; a wireless communicator for performing a wireless communication; and a wireless communication activator for activating the wireless communicator when the wireless communication apparatus detects power of the reception signal and determines that the reception signal is the first signal.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: October 25, 2016
    Assignee: Panasonic Corporation
    Inventors: Koji Imamura, Takayuki Abe
  • Patent number: 9425634
    Abstract: A charging apparatus for a secondary battery comprises: a power supply circuit connected to a primary winding 11a of a transformer T1; a main winding 11b and a sub winding 11c connected to a secondary side of the transformer T1; a charging circuit 110 connected to the main winding 11b, the charging circuit 110 supplying power to a battery pack 130 to be charged; and a control circuit 120 connected to the sub winding 11c, the control circuit 120 controlling the charging circuit 110, wherein the charging circuit 110 comprises a LED 140 indicating a standby state or a charge completion state, the LED 140 being lighted at light-load time of the charging circuit 110 based on a command of the control circuit 120.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: August 23, 2016
    Assignees: TAMURA CORPORATION, MAKITA CORPORATION
    Inventors: Koji Imamura, Takeshi Yamamoto, Yasuhiro Tabuchi, Makihiro Kobayashi
  • Patent number: 9391660
    Abstract: A wireless receiver capable of realizing both reduction of electricity consumption and stable activation is provided. The wireless receiver includes: a power detector which detects power of a received signal; a first pattern detector which detects a predetermined signal pattern included in the received signal; a wireless communicator which performs wireless communication; a pattern detection activator which activates the first pattern detector when the power detector detects the power of the received signal; and a wireless communication activator which activates the wireless communicator when the first pattern detector detects the predetermined signal pattern in the received signal.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: July 12, 2016
    Assignee: Panasonic Corporation
    Inventors: Koji Imamura, Takayuki Abe
  • Patent number: 9203364
    Abstract: Two LPFs are disposed on the output side of a differential amplifier to remove an AC component contained in an output signal output from a first output terminal of the differential amplifier and an AC component contained in an output signal output from a second output terminal of the differential amplifier. The lowpass filter voltage of the output signal output from the first output terminal with the AC component removed is input to one of input terminals of one of two comparators, and the lowpass filter voltage of the output signal output from the second output terminal with the AC component removed is input to one of input terminals of the other comparator.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: December 1, 2015
    Assignee: PANASONIC CORPORATION
    Inventors: Takayuki Abe, Koji Imamura, Kazutoshi Satou, Shigeki Nakamura
  • Publication number: 20150245293
    Abstract: A wireless communication apparatus in a first wireless communication system is equipped with a power detector for detecting power of a reception signal; an envelope detector for detecting an envelope signal of the reception signal; a signal determiner for determining whether the reception signal is a first signal to be used for a communication in the first wireless communication system, on the basis of a variation amount of the envelope signal; a wireless communicator for performing a wireless communication; and a wireless communication activator for activating the wireless communicator when the wireless communication apparatus detects power of the reception signal and determines that the reception signal is the first signal.
    Type: Application
    Filed: March 12, 2014
    Publication date: August 27, 2015
    Applicant: PANASONIC CORPORATION
    Inventors: Koji Imamura, Takayuki Abe
  • Publication number: 20150232746
    Abstract: A film-forming ink includes a film-forming material which is a material which configures a hole transport layer or a hole injection layer which is included in an organic electroluminescence element, or a precursor thereof, and a liquid medium for dispersing or dissolving the film-forming material, in which an indicator material which emits light by being irradiated with excitation light is added to the film-forming material.
    Type: Application
    Filed: February 12, 2015
    Publication date: August 20, 2015
    Inventors: Takuya SONOYAMA, Koji IMAMURA
  • Publication number: 20150188587
    Abstract: A wireless receiver capable of realizing both reduction of electricity consumption and stable activation is provided. The wireless receiver includes: a power detector which detects power of a received signal; a first pattern detector which detects a predetermined signal pattern included in the received signal; a wireless communicator which performs wireless communication; a pattern detection activator which activates the first pattern detector when the power detector detects the power of the received signal; and a wireless communication activator which activates the wireless communicator when the first pattern detector detects the predetermined signal pattern in the received signal.
    Type: Application
    Filed: March 12, 2014
    Publication date: July 2, 2015
    Applicant: Panasonic Corporation
    Inventors: Koji Imamura, Takayuki Abe
  • Publication number: 20150180431
    Abstract: Two LPFs are disposed on the output side of a differential amplifier to remove an AC component contained in an output signal output from a first output terminal of the differential amplifier and an AC component contained in an output signal output from a second output terminal of the differential amplifier. The lowpass filter voltage of the output signal output from the first output terminal with the AC component removed is input to one of input terminals of one of two comparators, and the lowpass filter voltage of the output signal output from the second output terminal with the AC component removed is input to one of input terminals of the other comparator.
    Type: Application
    Filed: December 17, 2014
    Publication date: June 25, 2015
    Inventors: TAKAYUKI ABE, KOJI IMAMURA, KAZUTOSHI SATOU, SHIGEKI NAKAMURA