Patents by Inventor Kenji Aono

Kenji Aono 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: 11996697
    Abstract: A hybrid-powered sensing device is disclosed that includes a power source coupled to a sensing module via an RF-triggered load switching module.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: May 28, 2024
    Assignee: Washington University
    Inventors: Shantanu Chakrabartty, Kenji Aono, Sri Harsha Kondapalli, Owen Pochettino
  • Patent number: 11611236
    Abstract: A self-capacitance based remote power delivery device includes a power source, an energy harvesting device, and a substrate. The power source and the energy harvesting device are configured to be capacitively coupled to a self-capacitive body. The substrate is configured to be capacitively coupled to a portion of the self-capacitive body in contact with the substrate.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: March 21, 2023
    Assignee: Washington University
    Inventors: Shantanu Chakrabartty, Yarub Alazzawi, Kenji Aono, Erica L. Scheller
  • Publication number: 20210376660
    Abstract: A self-capacitance based remote power delivery device includes a power source, an energy harvesting device, and a substrate. The power source and the energy harvesting device are configured to be capacitively coupled to a self-capacitive body. The substrate is configured to be capacitively coupled to a portion of the self-capacitive body in contact with the substrate.
    Type: Application
    Filed: August 6, 2021
    Publication date: December 2, 2021
    Inventors: Shantanu Chakrabartty, Yarub Alazzawi, Kenji Aono, Erica L. Scheller
  • Patent number: 11128168
    Abstract: A self-capacitance based remote power delivery device includes a modulating power source electrically coupled to a grounded substrate, an energy harvesting device coupled to the grounded substrate, and the substrate. The modulating power source is configured to be capacitively coupled to a self-capacitive body. The energy harvesting device configured to be capacitively coupled to the self-capacitive body, and the substrate is configured to be capacitively coupled to a portion of the self-capacitive body in direct contact with the substrate.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: September 21, 2021
    Assignee: Washington University
    Inventors: Shantanu Chakrabartty, Yarub Alazzawi, Kenji Aono, Erica L. Scheller
  • Publication number: 20200287411
    Abstract: A hybrid-powered sensing device is disclosed that includes a power source coupled to a sensing module via an RF-triggered load switching module.
    Type: Application
    Filed: March 5, 2020
    Publication date: September 10, 2020
    Applicant: Washington University
    Inventors: Shantanu Chakrabartty, Kenji Aono, Sri Harsha Kondapalli, Owen Pochettino
  • Publication number: 20200259365
    Abstract: A self-capacitance based remote power delivery device includes a modulating power source electrically coupled to a grounded substrate, an energy harvesting device coupled to the grounded substrate, and the substrate. The modulating power source is configured to be capacitively coupled to a self-capacitive body. The energy harvesting device configured to be capacitively coupled to the self-capacitive body, and the substrate is configured to be capacitively coupled to a portion of the self-capacitive body in direct contact with the substrate.
    Type: Application
    Filed: February 12, 2020
    Publication date: August 13, 2020
    Applicant: Washington University
    Inventors: Shantanu Chakrabartty, Yarub Alazzawi, Kenji Aono, Erica L. Scheller
  • Patent number: 6561623
    Abstract: A method is provided for producing an ink jet recording head comprising a discharge opening for discharging an ink, a discharge opening forming member for forming the discharge opening, a liquid flow path communicating with the discharge opening, and a liquid discharge energy generating portion arranged within the liquid flow path for generating an energy to be utilized for discharging the ink from the discharge opening. The discharge opening forming member is dipped into a liquid which has ink-repellence and permeates into the discharge opening forming member. As a result, an ink-repellent treatment is effected on a peripheral portion of the discharge opening.
    Type: Grant
    Filed: August 28, 1996
    Date of Patent: May 13, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Aono, Akihiko Shimomura
  • Patent number: 6484399
    Abstract: A method for producing an ink jet recording head comprising the following steps, a step which forms the photosensitive water-repellent processing layer in the ink discharge port face, a step which irradiates light onto the water-repellent forming region and hydrophilic forming region in the water-repellent processing layer, to cure the layer, a step which irradiates light selectively onto the hydrophilic forming region to reduce water repellency of the water-repellent processing layer and to impart hydrophilicity to the hydrophilic forming region, and a step which forms an opening, which constitutes part of the ink discharge port, in the water-repellent processing layer.
    Type: Grant
    Filed: December 1, 1998
    Date of Patent: November 26, 2002
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Aono, Akihiko Shimomura
  • Publication number: 20020001016
    Abstract: The invention is directed to provide a method for producing an ink jet recording head, which is free from the problems produced by an inexpensive system, and excellent in discharge stability.
    Type: Application
    Filed: December 1, 1998
    Publication date: January 3, 2002
    Inventors: KENJI AONO, AKIHIKO SHIMOMURA
  • Patent number: 6070975
    Abstract: An ink jet recording apparatus comprises an ink tank containing ink; a recording head for performing recording by selectively ejecting ink; a mounting portion for mounting the ink tank and the recording head; a liquid passage coupling portion provided on either or both of the ink tank and the recording head for separating or connecting the ink passages in the ink tank and the recording head; a holding portion provided on either or both of the ink tank and recording head for guiding the ink tank to the recording head in order to hold them separably; and an electrically or mechanically connecting portion provided on either or both of the recording head and mounting portion for electrically or mechanically connecting the recording head to or separating it from the mounting portion.
    Type: Grant
    Filed: March 26, 1997
    Date of Patent: June 6, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshio Uchikata, Yoshifumi Hattori, Yoji Ara, Masashi Kitani, Etsurou Suzuki, Toshihide Wada, Hiromitsu Hirabayashi, Hideo Saikawa, Masami Kojima, Tadashi Hanabusa, Kenji Kawano, Koichi Tanno, Tetsuyo Ohashi, Toshihiko Bekki, Kenji Aono, Masaharu Ikado
  • Patent number: 5983486
    Abstract: A process for producing an ink jet head comprising a liquid-discharge energy generating element for discharging a liquid, a discharge opening, a liquid-flow path, and a substrate for holding the liquid-discharge energy generating element, the process comprises the steps of: preparing the substrate; providing on the substrate the liquid-discharge energy generating element; providing a solid layer with a convex shape on the surface of the substrate where the liquid-discharge energy generating element has been provided and at the part where the liquid-flow path and the discharge opening are to be provided, the solid layer being formed of a resin capable of being dissolved away; applying on the substrate provided with the solid layer a curable material in a thickness larger than the thickness of the solid layer, to cover the solid layer; curing the curable material; evenly removing the cured material until the convex portion of the solid layer is laid bare; and dissolving away the solid layer to form the liquid-f
    Type: Grant
    Filed: March 7, 1996
    Date of Patent: November 16, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihiko Shimomura, Shoji Shiba, Isao Imamura, Kenji Aono
  • Patent number: 5953023
    Abstract: An ink jet head, characterized by having a sealing member formed of a composition comprising a solvent-free one-component silicone-modified epoxy resin in the liquid state at room temperature as a principal component, said composition containing, other than said silicone-modified epoxy resin, a latent hardener, wherein said silicone-modified epoxy resin comprises a silicone component in an amount of 10 to 60 parts by weight versus 100 parts by weight of a starting epoxy resin. And ink jet apparatus which is provided with said ink jet head and a recovery means for said ink jet head. The ink jet head always performs stable ink discharging to provide a high quality print.
    Type: Grant
    Filed: September 22, 1995
    Date of Patent: September 14, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihiko Shimomura, Shigeo Toganoh, Kunihiko Maeoka, Kenji Aono
  • Patent number: 5650805
    Abstract: An ink jet head comprises parts for holding liquid ink, the parts being sealed with a moisture-curing sealant composed mainly of an organic high polymer compound having an alkoxysilane moiety represented by Formula (1) in the molecule thereof: ##STR1## where X is hydrogen, methyl, ethyl, propyl or halogen; R is methyl, ethyl or propyl; and n is 1, 2 or 3.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: July 22, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihiko Shimomura, Shigeo Toganoh, Kazuaki Masuda, Masanori Takenouchi, Kunihiko Maeoka, Masahiko Higuma, Kenji Aono, Yoichi Taneya, Masashi Miyagawa
  • Patent number: 5534899
    Abstract: An ink jet recording apparatus comprises an ink tank containing ink; a recording head for performing recording by selectively ejecting ink; a mounting portion for mounting the ink tank and the recording head; a liquid passage coupling portion provided on either or both of the ink tank and the recording head for separating or connecting the ink passages in the ink tank and the recording head; a holding portion provided on either or both of the ink tank and recording head for guiding the ink tank to the recording head in order to hold them separably; and an electrically or mechanically connecting portion provided on either or both of the recording head and mounting portion for electrically or mechanically connecting the recording head to or separating it from the mounting portion.
    Type: Grant
    Filed: October 18, 1995
    Date of Patent: July 9, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshio Uchikata, Yoshifumi Hattori, Yoji Ara, Masashi Kitani, Etsurou Suzuki, Toshihide Wada, Hiromitsu Hirabayashi, Hideo Saikawa, Masami Kojima, Tadashi Hanabusa, Kenji Kawano, Koichi Tanno, Tetsuyo Ohashi, Toshihiko Bekki, Kenji Aono, Masaharu Ikado
  • Patent number: 5523780
    Abstract: An ink jet recording apparatus includes a detachable ink cartridge for storage of the ink to be supplied to a recording head. A joint of an ink supply line in the ink jet recording apparatus to be coupled with an ink outlet portion of the ink cartridge for delivering the ink is loosely fitted to be slidable in a direction crosswise to an axis of the supply line toward a coupling position with the ink outlet portion.
    Type: Grant
    Filed: June 22, 1993
    Date of Patent: June 4, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshiaki Hirosawa, Yoshifumi Hattori, Minoru Nozawa, Kenji Aono
  • Patent number: 5512926
    Abstract: An ink jet recording apparatus comprises an ink tank containing ink; a recording head for performing recording by selectively ejecting ink; a mounting portion for mounting the ink tank and the recording head; a liquid passage coupling portion provided on either or both of the ink tank and the recording head for separating or connecting the ink passages in the ink tank and the recording head; a holding portion provided on either or both of the ink tank and recording head for guiding the ink tank to the recording head in order to hold them separably; and an electrically or mechanically connecting portion provided on either or both of the recording head and mounting portion for electrically or mechanically connecting the recording head to or separating it from the mounting portion.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: April 30, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshio Uchikata, Yoshifumi Hattori, Yoji Ara, Masashi Kitani, Etsurou Suzuki, Toshihide Wada, Hiromitsu Hirabayashi, Hideo Saikawa, Masami Kojima, Tadashi Hanabusa, Kenji Kawano, Koichi Tanno, Tetsuyo Ohashi, Toshihiko Bekki, Kenji Aono, Masaharu Ikado
  • Patent number: 5502464
    Abstract: A fixater has a fixing unit for expediting the fixation of an image recorded on a recording medium, a conveying unit for conveying the recording medium and a coupling unit detachably mountable in the mounting section of a cassette for stacking the recording medium for the recording apparatus. The fixater is mountable in place of the cassette for stacking the recording medium.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: March 26, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuyoshi Takahashi, Naoji Otsuka, Tokihide Ebata, Hiromitsu Hirabayashi, Hiroshi Tajika, Noribumi Koitabashi, Atsushi Arai, Kenji Aono, Hitoshi Sugimoto
  • Patent number: 5500664
    Abstract: An ink jet cartridge has a recording head portion and an ink containing portion which are detachably mountable relative to each other. The recording head portion ejects ink to effect recording with the ink. The cartridge includes a first ink container, provided in the recording head portion, for containing the ink; a second ink container, provided in the ink containing portion, for containing the ink; and an ink communication tube for establishing ink communication between the first ink container and the second ink container, wherein the ink communication tube is not externally exposed.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: March 19, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Etsurou Suzuki, Yoshifumi Hattori, Masashi Kitani, Hideo Saikawa, Masami Kojima, Kenji Kawano, Koichi Tanno, Kenji Aono
  • Patent number: 5479198
    Abstract: A liquid storing container storing liquid, therein and having a supply port for supplying the liquid to the outside has flow rate control means having a slit adapted to be closed in a steady state and to be opened for predetermined differential pressure or greater and controlling the flow rate of the liquid supplied from the supply port to the outside, and pressure regulating means disposed more adjacent to the supply port than to the flow rate control means for regulating the pressure of the liquid more adjacent to the supply port than to the flow rate control means.
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: December 26, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Kawano, Yoshifumi Hattori, Masashi Kitani, Etsurou Suzuki, Hideo Saikawa, Masami Kojima, Koichi Tanno, Kenji Aono
  • Patent number: 5453772
    Abstract: An ink tank for storing ink to be supplied to a recording unit comprises a bag-like member arranged in an inner space of the ink tank and communicating with the atmosphere, which bag-like member has a volume variable from substantially zero to a volume substantially equal to that of the inner space of the ink tank. Ink is stored in a space defined between the ink tank and the bag-like member and a liquid path is formed in an inner wall surface of the ink tank.
    Type: Grant
    Filed: March 3, 1995
    Date of Patent: September 26, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Aono, Yoshifumi Hattori, Masashi Kitani, Etsurou Suzuki, Hideo Saikawa, Masami Kojima, Kenji Kawano, Koichi Tanno