Patents by Inventor Hiroyuki Itazu

Hiroyuki Itazu 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).

  • Method and apparatus for manufacturing glass article
    Patent number: 11643351
    Abstract: In manufacturing a glass article (GR) by causing a molten glass (GM) to flow through a transfer pipe (12) and to be transferred, the transfer pipe (12) includes: a pipe end portion (14) being an end portion in a pipe axis direction; a pipe-shaped portion (15); and a joining portion (16) configured to join the pipe end portion (14) and the pipe-shaped portion (15) to each other. The pipe end portion (14) includes a flange portion (17) and a curved portion (18) extending from an inner peripheral end (17a) of the flange portion (17) toward the pipe-shaped portion (15) side and being reduced in diameter toward the pipe-shaped portion (15) side. The pipe end portion (14) is made of a material having a smaller creep rupture strength and/or a larger creep strain rate than the pipe-shaped portion (15) at 1,500° C. and 1,000 hours.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: May 9, 2023
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Hiroyuki Itazu, Kazuyuki Tenyama, Shusaku Tamamura
  • METHOD AND APPARATUS FOR MANUFACTURING GLASS ARTICLE
    Publication number: 20200354251
    Abstract: In manufacturing a glass article (GR) by causing a molten glass (GM) to flow through a transfer pipe (12) and to be transferred, the transfer pipe (12) includes: a pipe end portion (14) being an end portion in a pipe axis direction; a pipe-shaped portion (15); and a joining portion (16) configured to join the pipe end portion (14) and the pipe-shaped portion (15) to each other. The pipe end portion (14) includes a flange portion (17) and a curved portion (18) extending from an inner peripheral end (17a) of the flange portion (17) toward the pipe-shaped portion (15) side and being reduced in diameter toward the pipe-shaped portion (15) side. The pipe end portion (14) is made of a material having a smaller creep rupture strength and/or a larger creep strain rate than the pipe-shaped portion (15) at 1,500° C. and 1,000 hours.
    Type: Application
    Filed: January 15, 2019
    Publication date: November 12, 2020
    Inventors: Hiroyuki ITAZU, Kazuyuki TENYAMA, Shusaku TAMAMURA
  • Radio terminal and fault detection method
    Patent number: 7031674
    Abstract: Method for detecting transmission power faults in cellular telephones without detecting transmission power. A microcomputer compares a criteria B with an absolute value |Pi?Pc| of the differential between initial transmission power value Pi and transmission power concentration value PC. A transmission power fault is determined to have occurred when the absolute value 51 Pi?Pc| is larger than criteria B (|Pi?Pc|>B), so transmission power faults can be detected without detecting the transmission power.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: April 18, 2006
    Assignees: DENSO Corporation, NTT DoCoMo, Inc.
    Inventors: Ryohei Kataoka, Hisashi Takeshita, Hiroyuki Itazu, Mio Okamoto
  • Cellular phone, cellular phone failure judgment method and failure judgment apparatus
    Patent number: 6775543
    Abstract: A method and apparatus for cellular phone failure judgment is provided, in which a cellular phone is connected to an external terminal and the external terminal reads normal communication history information, origination and receive failure history information and communication interruption history information which are stored in the cellular phone, and performs failure judgment for the cellular phone by the history information and judgment parameters.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: August 10, 2004
    Assignee: NTT DoCoMo, Inc.
    Inventors: Hiroyuki Itazu, Atsushi Murase, Shuji Tachibana, Shogo Ito
  • Radio terminal and fault detection method
    Publication number: 20030139154
    Abstract: Method for detecting transmission power faults in cellular telephones without detecting transmission power. A microcomputer compares a criteria B with an absolute value |Pi−Pc| of the differential between initial transmission power value Pi and transmission power concentration value PC. A transmission power fault is determined to have occurred when the absolute value 51 Pi−Pc| is larger than criteria B (|Pi−Pc|>B), so transmission power faults can be detected without detecting the transmission power.
    Type: Application
    Filed: September 30, 2002
    Publication date: July 24, 2003
    Inventors: Ryohei Kataoka, Hisashi Takeshita, Hiroyuki Itazu, Mio Okamoto
  • Cellular phone, cellular phone failure judgment method and failure judgment apparatus
    Publication number: 20020002062
    Abstract: A method of cellular phone failure judgment is provided, in which a cellular phone is connected to an external terminal and the external terminal reads normal communication history information, origination and receive failure history information and communication interruption history information which are stored in the cellular phone, and performs failure judgment for the cellular phone by the history information and judgment parameters.
    Type: Application
    Filed: April 26, 2001
    Publication date: January 3, 2002
    Applicant: NTT DoCoMo, Inc.
    Inventors: Hiroyuki Itazu, Atsushi Murase, Shuji Tachibana, Shogo Ito