Patents by Inventor Tomoki Hiramatsu

Tomoki Hiramatsu 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: 20210082920
    Abstract: A semiconductor device having high operation frequency is provided. The semiconductor device includes a transistor including a first conductive layer, a first insulating layer, a second insulating layer, a first oxide, a second oxide, a third oxide, a third insulating layer, and a second conductive layer that are stacked in this order, and a fourth insulating layer. The first conductive layer and the second conductive layer include a region overlapping with the second oxide. In a channel width direction of the transistor, a level of the bottom surface of the second oxide is from more than or equal to ?5 nm to less than 0 nm when a level of a region of the bottom surface of the second conductive layer which does not overlap with the second oxide is regarded as a reference.
    Type: Application
    Filed: January 15, 2019
    Publication date: March 18, 2021
    Inventors: Yusuke NONAKA, Noritaka ISHIHARA, Tomoki HIRAMATSU, Ryunosuke HONDA, Tomoyo KAMOGAWA, Ryota HODO, Katsuaki TOCHIBAYASHI, Shunpei YAMAZAKI
  • Publication number: 20200411658
    Abstract: A stack with excellent electrical characteristics and reliability is provided. The stack includes an insulator, a conductor, and a first oxide between the insulator and the conductor; the first oxide includes a first c-axis-aligned crystal region; and a c-axis of the first crystal region is substantially perpendicular to a plane of the first oxide on the insulator side. Alternatively, the stack includes an insulator, a conductor, a first oxide between the insulator and the conductor, and a second oxide facing the first oxide with the insulator therebetween; the first oxide includes a first c-axis-aligned crystal region; a c-axis of the first crystal region is substantially perpendicular to a plane of the first oxide on the insulator side; the second oxide includes a second c-axis-aligned crystal region; and a c-axis of the second crystal region is substantially perpendicular to a plane of the second oxide on the insulator side.
    Type: Application
    Filed: February 26, 2019
    Publication date: December 31, 2020
    Inventors: Shunpei YAMAZAKI, Masahiro TAKAHASHI, Tomoki HIRAMATSU
  • Publication number: 20200266281
    Abstract: A highly reliable semiconductor device is provided. The semiconductor device includes a first insulator; a first oxide provided over the first insulator; a second oxide provided over the first oxide; a first conductor and a second conductor provided apart from each other over the second oxide; a third oxide provided over the second oxide, the first conductor, and the second conductor; a second insulating film provided over the third oxide; and a third conductor provided over the second oxide with the third oxide and the second insulating film positioned therebetween. The third oxide contains a metal element and nitrogen, and the metal element is bonded to nitrogen.
    Type: Application
    Filed: October 29, 2018
    Publication date: August 20, 2020
    Inventors: Shunpei YAMAZAKI, Tomoki HIRAMATSU, Yusuke NONAKA, Noritaka ISHIHARA, Shota SAMBONSUGE, Yasumasa YAMANE, Yuta ENDO
  • Publication number: 20190348537
    Abstract: A semiconductor device with a high on-state current is provided. The semiconductor device includes a first conductor over a substrate, a first insulator over the first conductor, a first oxide over the first insulator, a second oxide over the first oxide, a second insulator in contact with top and side surfaces of the second oxide, a second conductor over the second insulator, and a third insulator in contact with side surfaces of the second insulator and the second conductor. The thickness of the second oxide is greater than or equal to the length of the second oxide in a channel width direction. The second conductor has a region facing the top and side surfaces of the second oxide with the second insulator positioned therebetween. The carrier density of the side surface of the second oxide is higher than that of the top surface of the second oxide.
    Type: Application
    Filed: December 14, 2017
    Publication date: November 14, 2019
    Inventors: Shunpei YAMAZAKI, Tomoki HIRAMATSU, Ryunosuke HONDA
  • Publication number: 20180213447
    Abstract: A communication apparatus obtains information regarding a network measured by a different apparatus from the different apparatus, connects to the network related to the information based on the obtained information regarding the network, perform communication of data via the connected network, and, in a case where information regarding a second network is obtained while communication of data via a first network is performed, controls switching of connection based on a first time length required to complete communication when connection to the first network is continued and a second time length required to complete communication when connection is switched to the second network.
    Type: Application
    Filed: January 22, 2018
    Publication date: July 26, 2018
    Inventor: Tomoki Hiramatsu
  • Patent number: 9832635
    Abstract: A communication apparatus includes a sharing unit configured to share a communication parameter for wireless communication with another communication apparatus with the another communication apparatus, a connection unit configured to connect to the another communication apparatus using the communication parameter shared by the sharing unit, a communication unit configured to, after connection with the another apparatus by the connection unit, communicate with the another communication apparatus by utilizing a predetermined function, and a control unit configured to control the communication parameter shared by the sharing unit according to a result of communication by the communication unit utilizing the predetermined function.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: November 28, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomoki Hiramatsu
  • Patent number: 9699830
    Abstract: The present invention provides a technique that, in the case where a first radio communication unit has acquired device information, and the execution of a service has started, makes it possible to detect the stopping of execution of the service by a second radio communication unit. To achieve this, device information regarding another communication apparatus is acquired via the first radio communication unit, and if a predetermined service is being executed with the other communication apparatus based on the acquired device information, a predetermined signal indicating stopping of the predetermined service is detected via the second radio communication unit that is different from the first radio communication unit. If the predetermined signal is detected, processing for stopping the predetermined service is performed.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: July 4, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomoki Hiramatsu
  • Patent number: 9578189
    Abstract: A communication apparatus includes a conversion unit configured to convert data, an estimation unit configured to estimate a size after conversion of the data by the conversion unit before the conversion unit converts the data, and a notification unit configured to notify another communication apparatus of the size estimated by the estimation unit.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: February 21, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomoki Hiramatsu
  • Publication number: 20160351720
    Abstract: To suppress a change in electrical characteristics and improve reliability in a transistor. The transistor includes a first gate electrode, a first insulating film over the first gate electrode, a second insulating film over the first insulating film, an oxide semiconductor film over the second insulating film, a source electrode electrically connected to the oxide semiconductor film, a drain electrode electrically connected to the oxide semiconductor film, a third insulating film over the oxide semiconductor film, a fourth insulating film over the third insulating film, a second gate electrode over the fourth insulating film, and a fifth insulating film over the second gate electrode. One or more of the second insulating film, the third insulating film, and the fourth insulating film include a halogen element. The halogen element is detected from one or more of a top surface, a bottom surface, and a side surface of the oxide semiconductor film.
    Type: Application
    Filed: May 19, 2016
    Publication date: December 1, 2016
    Inventors: Shunpei YAMAZAKI, Tomonori NAKAYAMA, Motoki NAKASHIMA, Tomoki HIRAMATSU
  • Publication number: 20160323932
    Abstract: The present invention provides a technique that, in the case where a first radio communication unit has acquired device information, and the execution of a service has started, makes it possible to detect the stopping of execution of the service by a second radio communication unit. To achieve this, device information regarding another communication apparatus is acquired via the first radio communication unit, and if a predetermined service is being executed with the other communication apparatus based on the acquired device information, a predetermined signal indicating stopping of the predetermined service is detected via the second radio communication unit that is different from the first radio communication unit. If the predetermined signal is detected, processing for stopping the predetermined service is performed.
    Type: Application
    Filed: July 13, 2016
    Publication date: November 3, 2016
    Inventor: Tomoki Hiramatsu
  • Patent number: 9467581
    Abstract: A communication apparatus stores a plurality of pieces of image data including grouped image data. The communication apparatus transmits, to another communication apparatus, information of representative image data out of the grouped image data, and information indicating a number of pieces of image data contained in the group, in response to a request from the other communication apparatus.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: October 11, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomoki Hiramatsu
  • Patent number: 9433031
    Abstract: The present invention provides a technique that, in the case where a first radio communication unit has acquired device information, and the execution of a service has started, makes it possible to detect the stopping of execution of the service by a second radio communication unit. To achieve this, device information regarding another communication apparatus is acquired via the first radio communication unit, and if a predetermined service is being executed with the other communication apparatus based on the acquired device information, a predetermined signal indicating stopping of the predetermined service is detected via the second radio communication unit that is different from the first radio communication unit. If the predetermined signal is detected, processing for stopping the predetermined service is performed.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: August 30, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Tomoki Hiramatsu
  • Publication number: 20160112587
    Abstract: A communication apparatus includes a conversion unit configured to convert data, an estimation unit configured to estimate a size after conversion of the data by the conversion unit before the conversion unit converts the data, and a notification unit configured to notify another communication apparatus of the size estimated by the estimation unit.
    Type: Application
    Filed: October 27, 2015
    Publication date: April 21, 2016
    Inventor: Tomoki Hiramatsu
  • Patent number: 9201493
    Abstract: A communication apparatus includes a conversion unit configured to convert data, an estimation unit configured to estimate a size after conversion of the data by the conversion unit before the conversion unit converts the data, and a notification unit configured to notify another communication apparatus of the size estimated by the estimation unit.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: December 1, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomoki Hiramatsu
  • Publication number: 20150264740
    Abstract: The present invention provides a technique that, in the case where a first radio communication unit has acquired device information, and the execution of a service has started, makes it possible to detect the stopping of execution of the service by a second radio communication unit. To achieve this, device information regarding another communication apparatus is acquired via the first radio communication unit, and if a predetermined service is being executed with the other communication apparatus based on the acquired device information, a predetermined signal indicating stopping of the predetermined service is detected via the second radio communication unit that is different from the first radio communication unit. If the predetermined signal is detected, processing for stopping the predetermined service is performed.
    Type: Application
    Filed: March 4, 2015
    Publication date: September 17, 2015
    Inventor: Tomoki Hiramatsu
  • Patent number: 8954508
    Abstract: An apparatus to communicate with a partner includes a transmission unit configured to directly transmit address information of the apparatus to the partner, a reception unit configured to receive data from the partner connected to the apparatus via a relay apparatus, using the address information, an acquisition unit configured to acquire global address information corresponding to the partner from the received data, and a notification unit configured to notify the communication partner of the acquired global address information.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: February 10, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomoki Hiramatsu
  • Patent number: 8804269
    Abstract: A HDD including a temperature sensor for sensing ambient temperature in the HDD, a spindle motor comprising a fluid dynamic bearing; and a controller configured for adjusting a rotational speed of the spindle motor based on the measured ambient temperature while a rigidity of the fluid dynamic bearing is maintained, and reducing power consumption of the HDD based on the adjusting the rotational speed of the spindle motor.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: August 12, 2014
    Assignee: HGST Netherlands B.V.
    Inventors: Takao Suzuki, Kohji Takahashi, Tomoki Hiramatsu, Toshihisa Kiyonaga
  • Publication number: 20140211025
    Abstract: A communication apparatus includes a conversion unit configured to convert data, an estimation unit configured to estimate a size after conversion of the data by the conversion unit before the conversion unit converts the data, and a notification unit configured to notify another communication apparatus of the size estimated by the estimation unit.
    Type: Application
    Filed: January 28, 2014
    Publication date: July 31, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Tomoki Hiramatsu
  • Publication number: 20140211024
    Abstract: A communication apparatus stores a plurality of pieces of image data including grouped image data. The communication apparatus transmits, to another communication apparatus, information of representative image data out of the grouped image data, and information indicating a number of pieces of image data contained in the group, in response to a request from the other communication apparatus.
    Type: Application
    Filed: January 22, 2014
    Publication date: July 31, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Tomoki Hiramatsu
  • Patent number: 8526141
    Abstract: A disk drive comprising a guide member configured to guide a strip-shaped flexible wiring board, wherein the strip-shaped flexible wiring board has one end attached to a side portion of a carriage that is rotatably supported, in such a way that another end thereof is oriented toward a mounting position. A U-shaped component of the guide member comprises a pair of edge components and is formed into a U-shape, wherein the U-shaped component is inserted between two projecting components comprising a front-side projecting component and a rear-side projecting component which are arranged to a front and a rear portion of the carriage respectively and are provided on a side portion of the carriage, and the pair of edge components come into contact with the two projecting components, respectively, wherein the U-shaped components is elastically deformed in such a way that the pair of edge components come closer together.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: September 3, 2013
    Assignee: HGST Netherlands B.V.
    Inventors: Satoshi Matsumura, Takao Suzuki, Tomoki Hiramatsu, Kohji Takahashi