Patents by Inventor Hitoshi Yagi

Hitoshi Yagi 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: 8304848
    Abstract: Certain embodiments provide an infrared imaging device including: an SOI structure that is placed at a distance from a substrate, and includes: heat-sensitive diodes that detect infrared rays and convert the infrared rays into heat; and STI regions that separate the heat-sensitive diodes from one another; an interlayer insulating film that is stacked on the SOI structure; and supporting legs that are connected to the heat-sensitive diodes and vertical signal lines provided in outer peripheral regions of the heat-sensitive diodes. Each of the supporting legs includes: an interconnect unit that transmit signals to the vertical signal lines; and interlayer insulating layers that sandwich the interconnect unit, each bottom side of the interlayer insulating layers being located in a higher position than the SOI structure.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: November 6, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiro Suzuki, Ikuo Fujiwara, Keita Sasaki, Honam Kwon, Hitoshi Yagi, Hiroto Honda, Koichi Ishii, Masako Ogata, Risako Ueno, Hideyuki Funaki
  • Patent number: 8273236
    Abstract: A first aqueous solution filled in an electrolytic cell (2) is electrolyzed by applying DC voltage between the electrodes 7a and 7b in said electrolytic cell 2, to form an oxidation field short of electrons in said aqueous solution; and then, a second aqueous solution with carboxylic acid dissolved in it is mixed into the first aqueous solution in oxidation field state, so that the first aqueous solution in oxidation field state obtains electrons and is deoxidized, and the carboxylic acid is oxidized, to produce carbonic acid gas in said aqueous solution. Therefore, the present invention can be used to produce carbonic acid gas solution at a low cost easily.
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: September 25, 2012
    Assignee: Omsi Co., Ltd.
    Inventors: Yoh Sano, Masahiko Asano, Hitoshi Yagi
  • Publication number: 20120228497
    Abstract: An infrared imaging element according to an embodiment includes: a semiconductor substrate including a stacked structure of a silicon first substrate, and a first insulation film, first cavities being provided on a surface of the first substrate; an infrared detection unit provided in the semiconductor substrate and including, detection cells provided respectively over the first cavities, each of the detection cells having diodes and a second insulation film, the first insulation film converting incident infrared rays to heat, the diodes converting the heat obtained by the first insulation film to an electric signal, a third insulation film having a top face located at a greater distance from the semiconductor substrate as compared with a top face of the second insulation film; and a second substrate provided over the third insulation film. A second cavity is formed between the second substrate and the infrared detection unit.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 13, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuhiro SUZUKI, Hiroto Honda, Ikuo Fujiwara, Hideyuki Funaki, Hitoshi Yagi, Keita Sasaki, Honam Kwon, Koichi Ishii, Masako Ogata, Risako Ueno
  • Publication number: 20120228496
    Abstract: An uncooled infrared imaging element includes a pixel region, a device region, and a support substrate. The pixel region includes heat-sensitive pixels. The heat-sensitive pixels are arranged in a matrix and change current-voltage characteristics thereof in accordance with receiving amounts of infrared. The device region includes at least one of a drive circuit and a readout circuit which includes a MOS transistor. The drive circuit drives the heat-sensitive pixels. The readout circuit detects signals of the heat-sensitive pixels. The support substrate is provided with a cavity region to be under pixel region and the MOS transistor.
    Type: Application
    Filed: September 18, 2011
    Publication date: September 13, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masako OGATA, Ikuo Fujiwara, Hiroto Honda, Kazuhiro Suzuki, Honam Kwon, Risako Ueno, Hitoshi Yagi, Masaki Atsuta, Koichi Ishii, Keita Sasaki, Hideyuki Funaki
  • Publication number: 20120175723
    Abstract: According to one embodiment, an infrared imaging device includes a substrate, a detecting section, an interconnection, a contact plug and a support beam. The detecting section is provided above the substrate and includes an infrared absorbing section and a thermoelectric converting section. The interconnection is provided on an interconnection region of the substrate and is configured to read the electrical signal. The contact plug is extends from the interconnection toward a connecting layer provided in the interconnection region. The contact plug is electrically connected to the interconnection and the connecting layer. The support beam includes a support beam interconnection and supports the detecting section above the substrate. The support beam interconnection transmits the electrical signal from the thermoelectric converting section to the interconnection.
    Type: Application
    Filed: March 21, 2012
    Publication date: July 12, 2012
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Ikuo FUJIWARA, Hitoshi YAGI, Keita SASAKI
  • Publication number: 20120049313
    Abstract: An uncooled infrared image sensor according to an embodiments includes: a plurality of pixel cells formed in a first region on a semiconductor substrate; a reference pixel cell formed in a second region on the semiconductor substrate and corresponding to each row or each column of the pixel cells; a supporting unit formed for each of the pixel cell and supporting a corresponding pixel cell; and an interconnect unit formed for each reference pixel cell. Each of the pixel cells includes: a first infrared absorption film and a first heat sensitive element. The reference pixel cell includes: a second infrared absorption film and a second heat sensitive element, the second heat sensitive element having the same characteristics as characteristics of the first heat sensitive element. The third and fourth interconnects of the interconnect unit have the same electrical resistance as electrical resistance of the first and second interconnects of the supporting unit.
    Type: Application
    Filed: March 17, 2011
    Publication date: March 1, 2012
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Honam KWON, Hideyuki FUNAKI, Hiroto HONDA, Hitoshi YAGI, Ikuo FUJIWARA, Masaki ATSUTA, Kazuhiro SUZUKI, Keita SASAKI, Koichi ISHII
  • Publication number: 20120007205
    Abstract: Certain embodiments provide an infrared imaging device including: an SOI structure that is placed at a distance from a substrate, and includes: heat-sensitive diodes that detect infrared rays and convert the infrared rays into heat; and STI regions that separate the heat-sensitive diodes from one another; an interlayer insulating film that is stacked on the SOI structure; and supporting legs that are connected to the heat-sensitive diodes and vertical signal lines provided in outer peripheral regions of the heat-sensitive diodes. Each of the supporting legs includes: an interconnect unit that transmit signals to the vertical signal lines; and interlayer insulating layers that sandwich the interconnect unit, each bottom side of the interlayer insulating layers being located in a higher position than the SOI structure.
    Type: Application
    Filed: September 16, 2010
    Publication date: January 12, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuhiro Suzuki, Ikuo Fujiwara, Keita Sasaki, Honam Kwon, Hitoshi Yagi, Hiroto Honda, Koichi Ishii, Masako Ogata, Risako Ueno, Hideyuki Funaki
  • Patent number: 8067740
    Abstract: An image sensor includes a semiconductor substrate; first pixels laid out above cavities provided within the semiconductor substrate, the first pixels converting thermal energy generated by incident light into an electric signal; supporting parts connected between the first pixels and the semiconductor substrate, the supporting parts supporting the first pixels above the cavities; and second pixels fixedly provided on the semiconductor substrate without via the cavities, wherein a plurality of the first pixels and a plurality of the second pixels are laid out two-dimensionally to form a pixel region, and each of the second pixels is adjacent to the first pixels.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: November 29, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Keita Sasaki, Hideyuki Funaki, Hiroto Honda, Ikuo Fujiwara, Koichi Ishii, Hitoshi Yagi
  • Publication number: 20110061449
    Abstract: According to one embodiment, an electronic device includes an airtight container, a functioning unit, and an airtightness detection unit. The airtight container has a containment space capable of being sealed airtightly. The functioning unit is stored in the containment space. The functioning unit is capable of executing a prescribed function. The airtightness detection unit is stored in the containment space. The airtightness detection unit is capable of detecting an airtightness of the containment space.
    Type: Application
    Filed: September 23, 2010
    Publication date: March 17, 2011
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Hitoshi YAGI, Hideyuki FUNAKI, Hiroto HONDA
  • Publication number: 20100025584
    Abstract: An image sensor includes a semiconductor substrate; first pixels laid out above cavities provided within the semiconductor substrate, the first pixels converting thermal energy generated by incident light into an electric signal; supporting parts connected between the first pixels and the semiconductor substrate, the supporting parts supporting the first pixels above the cavities; and second pixels fixedly provided on the semiconductor substrate without via the cavities, wherein a plurality of the first pixels and a plurality of the second pixels are laid out two-dimensionally to form a pixel region, and each of the second pixels is adjacent to the first pixels.
    Type: Application
    Filed: July 24, 2009
    Publication date: February 4, 2010
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Keita SASAKI, Hideyuki Funaki, Hiroto Honda, Ikuo Fujiwara, Koichi Ishii, Hitoshi Yagi
  • Publication number: 20090297633
    Abstract: The oxalic acid aqueous solution filled in an electrolytic tank is electrolyzed with an electrolyzer to produce carbonic acid gas, while ultrasonic wave from an ultrasonic generator is applied to the produced carbonic acid gas bubbles, to form micro bubbles, which is dissolved in said oxalic acid aqueous solution, so as to easily produce carbonic acid gas solution with micro carbonic acid gas bubbles dissolved at a low cost; said carbonic acid gas solution can substitute carbonated spring.
    Type: Application
    Filed: June 8, 2006
    Publication date: December 3, 2009
    Applicant: OMSI CO., LTD.
    Inventors: Yoh Sano, Masahiko Asano, Hitoshi Yagi
  • Publication number: 20090175960
    Abstract: A first aqueous solution filled in an electrolytic cell (2) is electrolyzed by applying DC voltage between the electrodes 7a and 7b in said electrolytic cell 2, to form an oxidation field short of electrons in said aqueous solution; and then, a second aqueous solution with carboxylic acid dissolved in it is mixed into the first aqueous solution in oxidation field state, so that the first aqueous solution in oxidation field state obtains electrons and is deoxidized, and the carboxylic acid is oxidized, to produce carbonic acid gas in said aqueous solution. Therefore, the present invention can be used to produce carbonic acid gas solution at a low cost easily.
    Type: Application
    Filed: September 22, 2006
    Publication date: July 9, 2009
    Applicant: OMSI CO., LTD.
    Inventors: Yoh Sano, Masahiko Asano, Hitoshi Yagi
  • Publication number: 20090060577
    Abstract: A pattern forming device has an original plate for pattern formation having pattern-shaped concave portions in a high-resistance layer. When phosphor particles collected in the concave portions are transferred to a glass plate, an electric field is formed between separate electrodes and a transfer roller, and a high-frequency voltage is applied to a common electrode to apply a voltage between the separate electrodes, hence to generate ultrasonic waves from a piezoelectric layer.
    Type: Application
    Filed: September 12, 2008
    Publication date: March 5, 2009
    Inventors: Hitoshi YAGI, Masahiro Hosoya, Koichi Ishii, Mitsunaga Saito, Ken Takahashi
  • Publication number: 20090028609
    Abstract: A pattern forming apparatus includes an intaglio having a pattern of depressions, developing units which form a first potential difference with the intaglio, supply a liquid developer containing charged phosphor particles to the pattern and develop by aggregating the phosphor particles in the depressions, and a transfer roller which forms a second potential difference with the developed intaglio and a glass sheet arranged in opposed relation to each other and sequentially transfers the phosphor particles aggregated in the depressions to the glass sheet.
    Type: Application
    Filed: June 26, 2008
    Publication date: January 29, 2009
    Inventors: Masahiro Hosoya, Koichi Ishii, Yasushi Shinjiyo, Mitsunaga Saito, Ken Takahashi, Hitoshi Yagi, Yoshihiro Tajima
  • Patent number: 6760565
    Abstract: An image forming apparatus includes an optical unit which forms an electrostatic latent image on a surface of a photosensitive body, a developing device which supplies a liquid developer on the electrostatic latent image formed by the optical unit, and develops the electrostatic latent image into a develop image, a condensing device which condenses the developer image, and a transfer device which transfers the developer image condensed by the condensing device to a recording medium, while applying a shearing stress to the developer image.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: July 6, 2004
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventors: Takeshi Watanabe, Koichi Ishii, Hitoshi Yagi, Mitsunaga Saito, Masahiro Hosoya, Yasushi Shinjo, Haruhi Oooka
  • Patent number: 6725006
    Abstract: Image forming apparatus which form an image on a substrate and uses a liquid developer containing toner particles and a solvent. One embodiment includes a latent image retaining body, a first developing surface facing the latent image retaining body at a first development station, a latent image forming unit, and a second developing surface facing the latent image retaining body at a second development station. The latent image retaining body has a photosensitive layer which has a dielectric constant &egr;P [C2/Nm2] and an average thickness dp [m]. The photosensitive layer retains an image developed by the first developing surface and a latent image comprising image and non-image regions formed by the latent image forming unit. The second developing surface is supplied with a developing electrical potential having an electrical potential difference &Dgr;V from an electrical potential of non-image region of the latent image.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: April 20, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masahiro Hosoya, Hitoshi Yagi, Yasushi Shinjo, Haruhi Oh-Oka
  • Publication number: 20030206752
    Abstract: Image forming apparatus which form an image on a substrate and uses a liquid developer containing toner particles and a solvent. One embodiment includes a latent image retaining body, a first developing surface facing the latent image retaining body at a first development station, a latent image forming unit, and a second developing surface facing the latent image retaining body at a second development station. The latent image retaining body has a photosensitive layer which has a dielectric constant &egr;P [C2/Nm2] and an average thickness dp [m]. The photosensitive layer retains an image developed by the first developing surface and a latent image comprising image and non-image regions formed by the latent image forming unit. The second developing surface is supplied with a developing electrical potential having an electrical potential difference &Dgr;V from an electrical potential of non-image region of the latent image.
    Type: Application
    Filed: June 13, 2003
    Publication date: November 6, 2003
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masahiro Hosoya, Hitoshi Yagi, Yasushi Shinjo, Haruhi Oh-Oka
  • Patent number: 6600890
    Abstract: Image forming apparatus which form an image on a substrate and uses a liquid developer containing toner particles and a solvent. One embodiment includes a latent image retaining body, a first developing surface facing the latent image retaining body at a first development station, a latent image forming unit, and a second developing surface facing the latent image retaining body at a second development station. The latent image retaining body has a photosensitive layer which has a dielectric constant ∈p [C2/Nm2] and an average thickness dp [m]. The photosensitive layer retains an image developed by the first developing surface and a latent image comprising image and non-image regions formed by the latent image forming unit. The second developing surface is supplied with a developing electrical potential having an electrical potential difference &Dgr;V from an electrical potential of non-image region of the latent image.
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: July 29, 2003
    Inventors: Masahiro Hosoya, Hitoshi Yagi, Yasushi Shinjo, Haruhi Oh-Oka
  • Patent number: 6560420
    Abstract: An electrophotographic device includes a control section configured to control operations of a charging unit, an exposure unit, and other units to satisfy a desired condition.
    Type: Grant
    Filed: September 17, 2001
    Date of Patent: May 6, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hitoshi Yagi, Isao Takasu
  • Patent number: 6559449
    Abstract: A planar X-ray detector including an X-ray-electric charge conversion film converting an incident X-ray into an electric charge, a pixel electrode contiguous to the X-ray-electric charge conversion film and arranged for every pixel, and a switching element connected to the pixel electrode. Also included is a signal line connected to the switching element, and a scanning line supplying a driving signal to the switching element. Further, the X-ray-electric charge conversion film contains phosphor particles, a photosensitive material, and a carrier transfer material.
    Type: Grant
    Filed: March 27, 2001
    Date of Patent: May 6, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Mitsushi Ikeda, Masaki Atsuta, Katsuyuki Naito, Akira Kinno, Hitoshi Yagi, Manabu Tanaka