Patents by Inventor Koji Kawai

Koji Kawai 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).

  • Publication number: 20170291423
    Abstract: There is provided a plug member that is detachably mounted to a liquid inlet to close the liquid inlet. The plug member comprises a sealing part configured to close the liquid inlet, such that at least part of the sealing part is inserted in the liquid inlet; and a cover part arranged around at least part of circumference of the sealing part.
    Type: Application
    Filed: June 26, 2017
    Publication date: October 12, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: KOJI NISHIMAKI, NAOMI KIMURA, SHOMA KUDO, SHOICHI ISHIZAWA, YOSHIYUKI TANAKA, KOJI KAWAI, MAKOTO OMURO
  • Publication number: 20170282564
    Abstract: A tank comprises a container body configured to contain an ink and an ink fill port configured to accept the ink to be injected into the container body. A cap is provided to close the ink fill port when the cap is attached to the tank. The cap comprises a covering portion configured to cover the ink fill port; a seal portion protruded from the covering portion to be inserted into the ink fill port and configured to close the ink fill port when the seal portion is inserted in the ink fill port; and a skirt portion protruded from the covering portion in a direction of protrusion of the seal portion from the covering portion and located away from the seal portion when the covering portion is viewed from a seal portion side. The skirt portion is protruded more than the seal portion.
    Type: Application
    Filed: March 15, 2017
    Publication date: October 5, 2017
    Applicant: Seiko Epson Corporation
    Inventors: Hidenao SUZUKI, Naomi KIMURA, Shoma KUDO, Soshi OKAWA, Koji KAWAI, Ekie PURNOMO, Muhamad Gigih Agung PRATOMO, Muhamad AUF
  • Publication number: 20170274661
    Abstract: A recording apparatus includes a recording head configured to discharge an ink onto paper for recording, a case accommodating at least the recording head, a reading device openable and closable between an open position and a closed position, a liquid container having a liquid storage chamber for storing the ink to be supplied to the recording head and an injection port enabling the ink to be injected from the outside to the inside of the liquid storage chamber, a blocking member configured to block the injection port by coming into contact with the injection port, and a cover provided such that the cover can be opened or closed between an open position where the injection port is exposed and a closed position where the injection port is not exposed. The blocking member is mounted on the cover.
    Type: Application
    Filed: June 14, 2017
    Publication date: September 28, 2017
    Inventors: Hidenao SUZUKI, Shoichi ISHIZAWA, Yoshiyuki TANAKA, Makoto OMURO, Koji KAWAI
  • Patent number: 9728393
    Abstract: A target for ultraviolet light generation comprises a substrate adapted to transmit ultraviolet light therethrough and a light-emitting layer disposed on the substrate and generating ultraviolet light UV in response to an electron beam. The light-emitting layer includes a powdery or granular rare-earth-containing aluminum garnet crystal doped with an activator. The light-emitting layer has an ultraviolet light emission peak wavelength of 300 nm or shorter.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: August 8, 2017
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Yoshinori Honda, Hiroyuki Taketomi, Fumitsugu Fukuyo, Koji Kawai, Hidetsugu Takaoka, Takashi Suzuki
  • Publication number: 20170217937
    Abstract: Provided is an additive for imparting ultraviolet absorbency, or an additive for imparting a high refractive index, which has satisfactory compatibility with a resin serving as a matrix and can maintain high transparency even if added in high concentrations. Also provided is an additive with which the function of imparting both ultraviolet absorbency and a high refractive index can be realized by means of one kind of additive. This additive is represented by the following Formula (I): wherein at least one of R1a to R9a is a monovalent sulfur-containing group represented by the following Formula (i-1) or Formula (i-2): wherein R10a to R12a each represent a divalent hydrocarbon group or the like; and R13a represents a monovalent hydrocarbon group or the like.
    Type: Application
    Filed: August 5, 2015
    Publication date: August 3, 2017
    Applicants: Miyoshi Oil & Fat Co., Ltd., Tokai Optical Co., Ltd.
    Inventors: Koji KAWAI, Kotaro KANEKO, Nobuhiro KANEKO, Yuichi SHISHINO, Kuniyoshi OKAMOTO
  • Patent number: 9707769
    Abstract: A recording apparatus includes a recording head configured to discharge an ink onto paper for recording, a case accommodating at least the recording head, a reading device openable and closable between an open position and a closed position, a liquid container having a liquid storage chamber for storing the ink to be supplied to the recording head and an injection port enabling the ink to be injected from the outside to the inside of the liquid storage chamber, a blocking member configured to block the injection port by coming into contact with the injection port, and a cover provided such that the cover can be opened or closed between an open position where the injection port is exposed and a closed position where the injection port is not exposed. The blocking member is mounted on the cover.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: July 18, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Hidenao Suzuki, Shoichi Ishizawa, Yoshiyuki Tanaka, Makoto Omuro, Koji Kawai
  • Patent number: 9707768
    Abstract: There is provided a plug member that is detachably mounted to a liquid inlet to close the liquid inlet. The plug member comprises a sealing part configured to close the liquid inlet, such that at least part of the sealing part is inserted in the liquid inlet; and a cover part arranged around at least part of circumference of the sealing part.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: July 18, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Koji Nishimaki, Naomi Kimura, Shoma Kudo, Shoichi Ishizawa, Yoshiyuki Tanaka, Koji Kawai, Makoto Omuro
  • Publication number: 20170182813
    Abstract: A printer includes a printing unit including a printing head configured to eject ink onto a sheet and a sheet ejecting portion configured to eject the sheet after the printing head performs a printing operation, a scanner unit located above the printing unit and configured to read an image on a document, and a tank unit located on a lateral side of the printing unit. The tank unit includes a tank storing the ink to be supplied to the printing head and a housing covering the tank. The housing provides at least a front surface, a lateral surface, a rear surface, and an upper surface of the tank unit. A front surface of the printing unit is flush with the front surface of the tank unit when the printing unit has a front surface on a side of the sheet ejecting portion.
    Type: Application
    Filed: December 14, 2016
    Publication date: June 29, 2017
    Inventors: Hidenao SUZUKI, Naomi KIMURA, Koji KAWAI, Shoma KUDO, Takanori MATSUDA
  • Patent number: 9676201
    Abstract: Provided is an ink tank including: a wall portion that constitutes a liquid containing portion for containing ink; a liquid injection port for injecting the ink into the liquid containing portion, the liquid injection port being provided above the liquid containing portion; and a liquid visual check portion that is translucent and through which a position of a liquid surface of the ink can be visually checked from the outside, the liquid visual check portion being a part of the wall portion constituting the liquid containing portion. The liquid visual check portion has an inclined portion that inclines relative to a vertical direction.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: June 13, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Makoto Omuro, Yoshiyuki Tanaka, Shoichi Ishizawa, Koji Kawai
  • Publication number: 20170057235
    Abstract: A recording apparatus includes a recording head configured to discharge an ink onto paper for recording, a case accommodating at least the recording head, a reading device openable and closable between an open position and a closed position, a liquid container having a liquid storage chamber for storing the ink to be supplied to the recording head and an injection port enabling the ink to be injected from the outside to the inside of the liquid storage chamber, a blocking member configured to block the injection port by coming into contact with the injection port, and a cover provided such that the cover can be opened or closed between an open position where the injection port is exposed and a closed position where the injection port is not exposed. The blocking member is mounted on the cover.
    Type: Application
    Filed: August 2, 2016
    Publication date: March 2, 2017
    Inventors: Hidenao SUZUKI, Shoichi ISHIZAWA, Yoshiyuki TANAKA, Makoto OMURO, Koji KAWAI
  • Publication number: 20170029801
    Abstract: There is provided a biocatalyst solvent which is capable of dissolving a biocatalyst in a liquid state while maintaining the activity of the biocatalyst at a high concentration from a low temperature to a high temperature, and is capable of storing the biocatalyst for a long time period; and a biocatalyst solution using the biocatalyst solvent.
    Type: Application
    Filed: April 10, 2015
    Publication date: February 2, 2017
    Applicant: MIYOSHI OIL & FAT CO., LTD.
    Inventors: Kotaro KANEKO, Nobuhiro KANEKO, Koji KAWAI
  • Publication number: 20160271962
    Abstract: Provided is an ink tank including: a wall portion that constitutes a liquid containing portion for containing ink; a liquid injection port for injecting the ink into the liquid containing portion, the liquid injection port being provided above the liquid containing portion; and a liquid visual check portion that is translucent and through which a position of a liquid surface of the ink can be visually checked from the outside, the liquid visual check portion being a part of the wall portion constituting the liquid containing portion. The liquid visual check portion has an inclined portion that inclines relative to a vertical direction.
    Type: Application
    Filed: March 16, 2016
    Publication date: September 22, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Makoto OMURO, Yoshiyuki TANAKA, Shoichi ISHIZAWA, Koji KAWAI
  • Publication number: 20160264306
    Abstract: There is provided a plug member that is detachably mounted to a liquid inlet to close the liquid inlet. The plug member comprises a sealing part configured to close the liquid inlet, such that at least part of the sealing part is inserted in the liquid inlet; and a cover part arranged around at least part of circumference of the sealing part.
    Type: Application
    Filed: March 10, 2016
    Publication date: September 15, 2016
    Applicant: Seiko Epson Corporation
    Inventors: Koji NISHIMAKI, Naomi KIMURA, Shoma KUDO, Shoichi ISHIZAWA, Yoshiyuki TANAKA, Koji KAWAI, Makoto OMURO
  • Patent number: D780257
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: February 28, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naomi Kimura, Shoma Kudo, Koji Nishimaki, Yoshiyuki Tanaka, Shoichi Ishizawa, Makoto Omuro, Koji Kawai
  • Patent number: D780258
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: February 28, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naomi Kimura, Shoma Kudo, Koji Nishimaki, Yoshiyuki Tanaka, Shoichi Ishizawa, Makoto Omuro, Koji Kawai
  • Patent number: D780259
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: February 28, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naomi Kimura, Shoma Kudo, Koji Nishimaki, Yoshiyuki Tanaka, Shoichi Ishizawa, Makoto Omuro, Koji Kawai
  • Patent number: D780842
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: March 7, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naomi Kimura, Shoma Kudo, Koji Nishimaki, Yoshiyuki Tanaka, Shoichi Ishizawa, Makoto Omuro, Koji Kawai
  • Patent number: D784444
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: April 18, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naomi Kimura, Shoma Kudo, Koji Nishimaki, Yoshiyuki Tanaka, Shoichi Ishizawa, Makoto Omuro, Koji Kawai
  • Patent number: D786345
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: May 9, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naomi Kimura, Shoma Kudo, Koji Nishimaki, Yoshiyuki Tanaka, Shoichi Ishizawa, Makoto Omuro, Koji Kawai
  • Patent number: D802050
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: November 7, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Koji Kawai, Naomi Kimura, Hidenao Suzuki