Patents by Inventor Hidemi Takahashi

Hidemi Takahashi 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: 10750082
    Abstract: An evaluation device includes a first display control unit that displays imaging data acquired by an imaging device on a display screen of a display device, and a second display control unit that displays on the display screen a guide display based on work vehicle data on a work vehicle imaged, to determine an imaging position of the imaging device.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: August 18, 2020
    Assignee: KOMATSU LTD.
    Inventors: Hidemi Takahashi, Susumu Kozumi
  • Publication number: 20190232235
    Abstract: A mixed gas supply device includes: a hydrogen gas generation unit that includes a hydrogen generator, the hydrogen generator generating hydrogen gas by decomposition of water and supplying the hydrogen gas; a nitrogen gas generation unit that includes a filter, the filter separating nitrogen gas from air and supplying the nitrogen gas; a gas mixing unit that mixes the supplied hydrogen gas and the supplied nitrogen gas and generates mix gas including the hydrogen gas and the nitrogen gas; and a single base on which the hydrogen gas generation unit, the nitrogen gas generation unit, and the gas mixing unit are mounted, the hydrogen gas generation unit, the nitrogen gas generation unit, and the gas mixing unit being integrated. The gas mixing unit supplies the generated mixed gas to outside.
    Type: Application
    Filed: April 12, 2019
    Publication date: August 1, 2019
    Inventors: Hidemi TAKAHASHI, Takeshi KATO, Yuichi DOKI, Hisashi ICHINOKIYAMA
  • Patent number: 10147339
    Abstract: An evaluation apparatus includes a detected data acquisition unit that acquires photograph data of a bucket of a work equipment, a first display control unit that displays the photograph data on a display screen of a display device, a second display control unit that displays on the display screen a graphic representing at least part of an outline of the bucket as viewed from a side, and moves the graphic on the display screen by an operation of an input device, and an identification unit that distinguishes the bucket from excavated material above an opening end of the bucket on the display screen based on the graphic aligned with the bucket.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: December 4, 2018
    Assignee: Komatsu Ltd.
    Inventors: Susumu Kozumi, Hidemi Takahashi, Aki Tabata
  • Publication number: 20170280048
    Abstract: An evaluation device includes a first display control unit that displays imaging data acquired by an imaging device on a display screen of a display device, and a second display control unit that displays on the display screen a guide display based on work vehicle data on a work vehicle imaged, to determine an imaging position of the imaging device.
    Type: Application
    Filed: March 28, 2016
    Publication date: September 28, 2017
    Inventors: Hidemi Takahashi, Susumu Kozumi
  • Publication number: 20170278425
    Abstract: An evaluation apparatus includes a detected data acquisition unit that acquires photograph data of a bucket of a work equipment, a first display control unit that displays the photograph data on a display screen of a display device, a second display control unit that displays on the display screen a graphic representing at least part of an outline of the bucket as viewed from a side, and moves the graphic on the display screen by an operation of an input device, and an identification unit that distinguishes the bucket from excavated material above an opening end of the bucket on the display screen based on the graphic aligned with the bucket.
    Type: Application
    Filed: March 28, 2016
    Publication date: September 28, 2017
    Applicant: Komatsu Ltd.
    Inventors: Susumu Kozumi, Hidemi Takahashi, Aki Tabata
  • Publication number: 20170255895
    Abstract: An evaluation device includes a detection data acquisition unit that acquires detection data including a detected movement trajectory of a predetermined portion of a working unit of a working vehicle based on operation data of the working unit from a movement starting position to a movement ending position, detected by a detection device that detects an operation of the working unit, a target data generation unit that generates target data including a target movement trajectory of the predetermined portion of the working unit, and an evaluation data generation unit that generates evaluation data of an operator who operates the working unit based on the detection data and the target data.
    Type: Application
    Filed: March 1, 2016
    Publication date: September 7, 2017
    Applicant: Komatsu Ltd.
    Inventors: Susumu Kozumi, Hidemi Takahashi, Hiroki Akanuma, Hisashi Asada
  • Publication number: 20160003783
    Abstract: An ultrasonic inspection device includes a signal generator configured to generate a square wave burst signal, an ultrasonic wave transmitter configured to drive a probe according to the square wave burst signal output from the signal generator and transmit ultrasonic waves toward an inspection subject, an ultrasonic wave receiver configured to receive the ultrasonic waves transmitted toward the inspection subject and propagated through the inspection subject, and a defect determinator configured to determine the presence or absence of a defect in the inspection subject based on a signal from the ultrasonic wave receiver, wherein the square wave burst signal has square waves that continuously alternate due to positive voltages and negative voltages relative to a ground.
    Type: Application
    Filed: January 14, 2014
    Publication date: January 7, 2016
    Inventors: Akihiro NARA, Yukitoshi SUZUKI, Hidemi TAKAHASHI
  • Patent number: 9230595
    Abstract: The error correction processing includes: data reproduction processing of reproducing recording data, constituted by a plurality of data units each made of a plurality of bits, from a recording medium sequentially; error correction processing of performing error correction in the row direction and error correction in the column direction at least once for an error correction code block that has the reproduced recording data arranged in the row direction over a plurality of rows; determination processing of determining whether uncorrectable data is left behind after execution of the error correction processing; and erasure correction processing of performing, when it is determined that uncorrectable data is left behind, column-direction error correction considering data constituting at least one row of the error correction code block as erasure data, even in cases where uncorrectable data in the error correction in the row direction is not left behind.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: January 5, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuka Hasegawa, Hidemi Takahashi, Yukio Sugimura
  • Publication number: 20120084623
    Abstract: The error correction processing includes: data reproduction processing of reproducing recording data, constituted by a plurality of data units each made of a plurality of bits, from a recording medium sequentially; error correction processing of performing error correction in the row direction and error correction in the column direction at least once for an error correction code block that has the reproduced recording data arranged in the row direction over a plurality of rows; determination processing of determining whether uncorrectable data is left behind after execution of the error correction processing; and erasure correction processing of performing, when it is determined that uncorrectable data is left behind, column-direction error correction considering data constituting at least one row of the error correction code block as erasure data, even in cases where uncorrectable data in the error correction in the row direction is not left behind.
    Type: Application
    Filed: December 8, 2011
    Publication date: April 5, 2012
    Applicant: PANASONIC CORPORATION
    Inventors: Yuka HASEGAWA, Hidemi Takahashi, Yukio Sugimura
  • Patent number: 7768891
    Abstract: An optical disc recording and reproducing apparatus for recording and reproducing data in and from an optical disc by the use of the optical disc as a recording medium, comprises analog processing means including a binarization unit for subjecting a signal read from the optical disc to binarization and a servo unit for controlling recording and reproducing a signal in and from the optical disc; synchronous clock generating means for generating a synchronous clock signal which is synchronized with the signal read from the optical disc; address detecting means for detecting address information indicating a physical position on the optical disc based on the signal read from the optical disc, and outputting a signal indicating the address information and a signal indicating that the address has been detected when the address information has been detected; a sector counter for holding a sector count value of a sector as a recording unit on the optical disc, and updating the sector count value according to the sync
    Type: Grant
    Filed: May 16, 2007
    Date of Patent: August 3, 2010
    Assignee: Panasonic Corporation
    Inventors: Yukio Iijima, Nobuaki Minakuchi, Hidemi Takahashi, Yasushi Ueda, Makoto Okazaki
  • Publication number: 20090147641
    Abstract: An optical disc recording and reproducing apparatus for recording and reproducing data in and from an optical disc by the use of the optical disc as a recording medium, comprises analog processing means including a binarization unit for subjecting a signal read from the optical disc to binarization and a servo unit for controlling recording and reproducing a signal in and from the optical disc; synchronous clock generating means for generating a synchronous clock signal which is synchronized with the signal read from the optical disc; address detecting means for detecting address information indicating a physical position on the optical disc based on the signal read from the optical disc, and outputting a signal indicating the address information and a signal indicating that the address has been detected when the address information has been detected; a sector counter for holding a sector count value of a sector as a recording unit on the optical disc, and updating the sector count value according to the sync
    Type: Application
    Filed: February 4, 2009
    Publication date: June 11, 2009
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yukio Iijima, Nobuaki Minakuchi, Hidemi Takahashi, Yasushi Ueda, Makoto Okazaki
  • Patent number: 7515512
    Abstract: An optical disc recording and reproducing apparatus for recording and reproducing data in and from an optical disc by the use of the optical disc as a recording medium, comprises analog processing means including a binarization unit for subjecting a signal read from the optical disc to binarization and a servo unit for controlling recording and reproducing a signal in and from the optical disc; synchronous clock generating means for generating a synchronous clock signal which is synchronized with the signal read from the optical disc; address detecting means for detecting address information indicating a physical position on the optical disc based on the signal read from the optical disc, and outputting a signal indicating the address information and a signal indicating that the address has been detected when the address information has been detected; a sector counter for holding a sector count value of a sector as a recording unit on the optical disc, and updating the sector count value according to the sync
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: April 7, 2009
    Assignee: Panasonic Corporation
    Inventors: Yukio Iijima, Nobuaki Minakuchi, Hidemi Takahashi, Yasushi Ueda, Makoto Okazaki
  • Patent number: 7508741
    Abstract: An optical disc recording and reproducing apparatus for recording and reproducing data in and from an optical disc by the use of the optical disc as a recording medium, comprises analog processing means including a binarization unit for subjecting a signal read from the optical disc to binarization and a servo unit for controlling recording and reproducing a signal in and from the optical disc; synchronous clock generating means for generating a synchronous clock signal which is synchronized with the signal read from the optical disc; address detecting means for detecting address information indicating a physical position on the optical disc based on the signal read from the optical disc, and outputting a signal indicating the address information and a signal indicating that the address has been detected when the address information has been detected; a sector counter for holding a sector count value of a sector as a recording unit on the optical disc, and updating the sector count value according to the sync
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: March 24, 2009
    Assignee: Panasonic Corporation
    Inventors: Yukio Iijima, Nobuaki Minakuchi, Hidemi Takahashi, Yasushi Ueda, Makoto Okazaki
  • Publication number: 20080037388
    Abstract: An optical disc recording and reproducing apparatus for recording and reproducing data in and from an optical disc by the use of the optical disc as a recording medium, comprises analog processing means including a binarization unit for subjecting a signal read from the optical disc to binarization and a servo unit for controlling recording and reproducing a signal in and from the optical disc; synchronous clock generating means for generating a synchronous clock signal which is synchronized with the signal read from the optical disc; address detecting means for detecting address information indicating a physical position on the optical disc based on the signal read from the optical disc, and outputting a signal indicating the address information and a signal indicating that the address has been detected when the address information has been detected; a sector counter for holding a sector count value of a sector as a recording unit on the optical disc, and updating the sector count value according to the sync
    Type: Application
    Filed: May 16, 2007
    Publication date: February 14, 2008
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yukio Iijima, Nobuaki Minakuchi, Hidemi Takahashi, Yasushi Ueda, Makoto Okazaki
  • Patent number: 7292510
    Abstract: An optical disc recording and reproducing apparatus for recording and reproducing data in and from an optical disc by the use of the optical disc as a recording medium, comprises analog processing means including a binarization unit for subjecting a signal read from the optical disc to binarization and a servo unit for controlling recording and reproducing a signal in and from the optical disc; synchronous clock generating means for generating a synchronous clock signal which is synchronized with the signal read from the optical disc; address detecting means for detecting address information indicating a physical position on the optical disc based on the signal read from the optical disc, and outputting a signal indicating the address information and a signal indicating that the address has been detected when the address information has been detected; a sector counter for holding a sector count value of a sector as a recording unit on the optical disc, and updating the sector count value according to the sync
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: November 6, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yukio Iijima, Nobuaki Minakuchi, Hidemi Takahashi, Yasushi Ueda, Makoto Okazaki
  • Publication number: 20070091748
    Abstract: An optical disc recording and reproducing apparatus for recording and reproducing data in and from an optical disc by the use of the optical disc as a recording medium, comprises analog processing means including a binarization unit for subjecting a signal read from the optical disc to binarization and a servo unit for controlling recording and reproducing a signal in and from the optical disc; synchronous clock generating means for generating a synchronous clock signal which is synchronized with the signal read from the optical disc; address detecting means for detecting address information indicating a physical position on the optical disc based on the signal read from the optical disc, and outputting a signal indicating the address information and a signal indicating that the address has been detected when the address information has been detected; a sector counter for holding a sector count value of a sector as a recording unit on the optical disc, and updating the sector count value according to the sync
    Type: Application
    Filed: December 20, 2006
    Publication date: April 26, 2007
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Yukio Iijima, Nobuaki Minakuchi, Hidemi Takahashi, Yasushi Ueda, Makoto Okazaki
  • Publication number: 20060245319
    Abstract: An optical disc recording and reproducing apparatus for recording and reproducing data in and from an optical disc by the use of the optical disc as a recording medium, comprises analog processing means including a binarization unit for subjecting a signal read from the optical disc to binarization and a servo unit for controlling recording and reproducing a signal in and from the optical disc; synchronous clock generating means for generating a synchronous clock signal which is synchronized with the signal read from the optical disc; address detecting means for detecting address information indicating a physical position on the optical disc based on the signal read from the optical disc, and outputting a signal indicating the address information and a signal indicating that the address has been detected when the address information has been detected; a sector counter for holding a sector count value of a sector as a recording unit on the optical disc, and updating the sector count value according to the sync
    Type: Application
    Filed: March 17, 2006
    Publication date: November 2, 2006
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yukio Iijima, Nobuaki Minakuchi, Hidemi Takahashi, Yasushi Ueda, Makoto Okazaki
  • Patent number: 7038987
    Abstract: It is a subject to provide an optical disc device which can speedily control generation of a data sync clock, when the position of data reading by an optical pickup shifts between a data unrecorded area and a data recorded area. An optical disc device comprises a first wobble cycle counter 702 for counting the cycle of a wobble reference signal S104 that is synchronized with a wobble signal S101 obtained from an optical disc, with a constant cycle clock S102; a second wobble cycle counter 703 for counting the cycle of the wobble reference signal S104 with a data sync clock S103; a count value comparator 704 for obtaining a difference between a count value outputted from the first wobble cycle counter 702 and a count value outputted from the second wobble cycle counter 703; and a comparison result judgement unit 710 for judging whether or not the value of a count value comparison result that is output from the count value comparator 704 is within a range of preset values.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: May 2, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Hidemi Takahashi
  • Patent number: 7035183
    Abstract: An optical disc recording and reproducing apparatus for recording and reproducing data in and from an optical disc by the use of the optical disc as a recording medium, comprises analog processing means including a binarization unit for subjecting a signal read from the optical disc to binarization and a servo unit for controlling recording and reproducing a signal in and from the optical disc; synchronous clock generating means for generating a synchronous clock signal which is synchronized with the signal read from the optical disc; address detecting means for detecting address information indicating a physical position on the optical disc based on the signal read from the optical disc, and outputting a signal indicating the address information and a signal indicating that the address has been detected when the address information has been detected; a sector counter for holding a sector count value of a sector as a recording unit on the optical disc, and updating the sector count value according to the sync
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: April 25, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yukio Iijima, Nobuaki Minakuchi, Hidemi Takahashi, Yasushi Ueda, Makoto Okazaki
  • Publication number: 20050122866
    Abstract: An optical disc recording and reproducing apparatus for recording and reproducing data in and from an optical disc by the use of the optical disc as a recording medium, comprises analog processing means including a binarization unit for subjecting a signal read from the optical disc to binarization and a servo unit for controlling recording and reproducing a signal in and from the optical disc; synchronous clock generating means for generating a synchronous clock signal which is synchronized with the signal read from the optical disc; address detecting means for detecting address information indicating a physical position on the optical disc based on the signal read from the optical disc, and outputting a signal indicating the address information and a signal indicating that the address has been detected when the address information has been detected; a sector counter for holding a sector count value of a sector as a recording unit on the optical disc, and updating the sector count value according to the sync
    Type: Application
    Filed: January 14, 2005
    Publication date: June 9, 2005
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yukio Iijima, Nobuaki Minakuchi, Hidemi Takahashi, Yasushi Ueda, Makoto Okazaki