Patents by Inventor Masami Iguchi

Masami Iguchi 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: 11954276
    Abstract: A touch panel including an oxide semiconductor film having conductivity is provided. The touch panel includes a transistor, a second insulating film, and a touch sensor. The transistor includes a gate electrode; a gate insulating film; a first oxide semiconductor film; a source electrode and a drain electrode; a first insulating film; and a second oxide semiconductor film. The second insulating film is over the second oxide semiconductor film so that the second oxide semiconductor film is positioned between the first insulating film and the second insulating film. The touch sensor includes a first electrode and a second electrode. One of the first and second electrodes includes the second oxide semiconductor film.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: April 9, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Hajime Kimura, Masami Jintyou, Yasuharu Hosaka, Naoto Goto, Takahiro Iguchi, Daisuke Kurosaki, Junichi Koezuka
  • Patent number: 11929412
    Abstract: A semiconductor device with favorable electrical characteristics is provided. A semiconductor device with stable electrical characteristics is provided. The semiconductor device includes a first insulating layer, a second insulating layer, a third insulating layer, a fourth insulating layer, a semiconductor layer, and a first conductive layer. The second insulating layer is positioned over the first insulating layer and the island-shaped semiconductor layer is positioned over the second insulating layer. The second insulating layer has an island shape having an end portion outside a region overlapping with the semiconductor layer. The fourth insulating layer covers the second insulating layer, the semiconductor layer, the third insulating layer, and the first conductive layer, is in contact with part of a top surface of the semiconductor layer, and is in contact with the first insulating layer outside the end portion of the second insulating layer.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: March 12, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masami Jintyou, Takahiro Iguchi, Yukinori Shima, Kenichi Okazaki
  • Patent number: 7814732
    Abstract: A liquid containing bag includes a liquid filling opening part having a tube configuration through which an inside of the liquid containing bag is filled with liquid. The liquid filling opening part is melt-sealed from directions which face each other in a part of the liquid filling opening part. The part which is melted has a non-symmetrical configuration.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: October 19, 2010
    Assignee: Ricoh Company, Ltd.
    Inventors: Takanori Tsuyuki, Masami Iguchi, Moriaki Saitoh, Hideki Sugiyama, Kiyohiro Uehara
  • Patent number: 7454881
    Abstract: A method of sealing a liquid container, including filling a liquid into a liquid containing bag including a cylindrical inlet; and sandwiching the cylindrical inlet with a pair of heat-sealing heads upon application of heat such that the cylindrical inlet is sealed with the liquid therein, wherein at least one of the pair of heat-sealing heads comprises a concave edge.
    Type: Grant
    Filed: November 2, 2006
    Date of Patent: November 25, 2008
    Assignee: Ricoh Company, Ltd.
    Inventors: Shinya Hanatani, Moriaki Saito, Masami Iguchi, Hideki Satoh, Shigeo Hatada, Michio Urata
  • Patent number: 7287843
    Abstract: An ink bag comprises a flexible bag body of a generally rectangular form and a holding member attached to one edge of the bag body, wherein the holding member includes: an ink filling opening for filling the bag body with ink; an ink discharging opening for discharging the ink inside the bag body; and an engaging part for holding the ink bag to a cartridge case in which the ink bag is accommodated.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: October 30, 2007
    Assignee: Ricoh Company, Ltd.
    Inventors: Masakazu Muranaka, Masato Suzuki, Takanori Tsuyuki, Masami Iguchi
  • Publication number: 20070176986
    Abstract: A liquid containing bag includes a liquid filling opening part having a tube configuration through which an inside of the liquid containing bag is filled with liquid. The liquid filling opening part is melt-sealed from directions which face each other in a part of the liquid filling opening part. The part which is melted has a non-symmetrical configuration.
    Type: Application
    Filed: April 9, 2007
    Publication date: August 2, 2007
    Inventors: Takanori Tsuyuki, Masami Iguchi, Moriaki Saitoh, Hideki Sugiyama, Kiyohiro Uehara
  • Patent number: 7222948
    Abstract: A liquid containing bag includes a liquid filling opening part having a tube configuration through which an inside of the liquid containing bag is filled with liquid. The liquid filling opening part is melt-sealed from directions which face each other in a part of the liquid filling opening part. The part which is melted has a non-symmetrical configuration.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: May 29, 2007
    Assignee: Ricoh Company, Ltd.
    Inventors: Takanori Tsuyuki, Masami Iguchi, Moriaki Saitoh, Hideki Sugiyama, Kiyohiro Uehara
  • Publication number: 20070095023
    Abstract: A method of sealing a liquid container, including filling a liquid into a liquid containing bag including a cylindrical inlet; and sandwiching the cylindrical inlet with a pair of heat-sealing heads upon application of heat such that the cylindrical inlet is sealed with the liquid therein, wherein at least one of the pair of heat-sealing heads comprises a concave edge.
    Type: Application
    Filed: November 2, 2006
    Publication date: May 3, 2007
    Inventors: Shinya Hanatani, Moriaki Saito, Masami Iguchi, Hideki Satoh, Shigeo Hatada, Michio Urata
  • Publication number: 20050157109
    Abstract: An ink bag comprises a flexible bag body of a generally rectangular form and a holding member attached to one edge of the bag body, wherein the holding member includes: an ink filling opening for filling the bag body with ink; an ink discharging opening for discharging the ink inside the bag body; and an engaging part for holding the ink bag to a cartridge case in which the ink bag is accommodated.
    Type: Application
    Filed: March 15, 2004
    Publication date: July 21, 2005
    Inventors: Masakazu Muranaka, Masato Suzuki, Takanori Tsuyuki, Masami Iguchi
  • Patent number: 6863386
    Abstract: A mixing device for preparing an ink including: a mixing vessel including an injection nozzle and a discharge opening, both of which are provided on a bottom surface of the mixing vessel, wherein the injection nozzle faces in substantially a horizontal direction along a side surface of the mixing vessel to swirl the ink along the side surface, and the discharge opening is located on a downstream side from the injection nozzle relative to the swirling direction and at a position between the center of the bottom surface and the side surface; a connector connecting the injection nozzle with the discharge opening; and a pump configured to transport the ink from the discharge opening to the injection nozzle through the connector and inject the ink into the mixing vessel from the injection nozzle while applying a pressure to the ink.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: March 8, 2005
    Assignee: Ricoh Company Limited
    Inventors: Shigeo Hatada, Masami Iguchi, Takanori Tsuyuki, Hiromitsu Mizuno
  • Publication number: 20040263587
    Abstract: A liquid containing bag includes a liquid filling opening part having a tube configuration through which an inside of the liquid containing bag is filled with liquid. The liquid filling opening part is melt-sealed from directions which face each other in a part of the liquid filling opening part. The part which is melted has a non-symmetrical configuration.
    Type: Application
    Filed: April 13, 2004
    Publication date: December 30, 2004
    Inventors: Takanori Tsuyuki, Masami Iguchi, Moriaki Saitoh, Hideki Sugiyama, Kiyohiro Uehara
  • Publication number: 20040066432
    Abstract: A mixing device for preparing an ink including: a mixing vessel including an injection nozzle and a discharge opening, both of which are provided on a bottom surface of the mixing vessel, wherein the injection nozzle faces in substantially a horizontal direction along a side surface of the mixing vessel to swirl the ink along the side surface, and the discharge opening is located on a downstream side from the injection nozzle relative to the swirling direction and at a position between the center of the bottom surface and the side surface; a connector connecting the injection nozzle with the discharge opening; and a pump configured to transport the ink from the discharge opening to the injection nozzle through the connector and inject the ink into the mixing vessel from the injection nozzle while applying a pressure to the ink.
    Type: Application
    Filed: June 12, 2003
    Publication date: April 8, 2004
    Inventors: Shigeo Hatada, Masami Iguchi, Takanori Tsuyuki, Hiromitsu Mizuno