Patents by Inventor Takeshi Hamada

Takeshi Hamada 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: 11912341
    Abstract: In an automobile hood, sufficient panel rigidity and dent resistance are secured while achieving weight reduction. Automobile hood 1 has a panel 2, a reinforcing member 3, and a joint 4 that joins the panel 2 and the reinforcing member 3. The reinforcing member 3 includes a structure formed from a plurality of units 7 having a hexagonal annular shape disposed in a close-packed arrangement. Unit 7 has a floor 11, inclined wall 12 and top plate 13. The floor 11 is adjacent to the panel 2. Top plate 13 and panel 2 are separated from each other. The inclined wall 12 is arranged between the floor 11 and the top plate 13. A hexagonal annular first ridge line 31 of the unit 7 is located between the inclined wall 12 and the floor 11. A length L1 of one side of the first ridge line 31 is 40-75 mm.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: February 27, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Tohru Yoshida, Koichi Hamada, Takeshi Kawachi, Atsuo Koga, Takuya Oishi
  • Publication number: 20230231519
    Abstract: An oscillator circuit includes: a first temperature detector, detecting an internal temperature of the oscillator circuit; a current generator, generating a heater current so that the internal temperature matches a target temperature; a first and second heater, heating the resonator and the integrated circuit, respectively, based on the heater current; a second temperature detector, detecting a temperature of the integrated circuit; a first compensation voltage generation circuit, generating a first compensation voltage for compensating for a frequency variation due to a temperature change in the integrated circuit, based on a detection result of the second temperature detector; a second compensation voltage generation circuit, generating a second compensation voltage for compensating for a frequency variation due to a temperature change in the resonator, based on a detection result of the first temperature detector; and an oscillator, generating an oscillation signal based on the first and second compensatio
    Type: Application
    Filed: December 25, 2022
    Publication date: July 20, 2023
    Applicant: Asahi Kasei Microdevices Corporation
    Inventors: TAKAYUKI SATO, TAKESHI HAMADA
  • Patent number: 11647267
    Abstract: An image pickup apparatus having extendibility. The image pickup apparatus includes a front case that forms an apparatus appearance, a rear case that forms the apparatus appearance with the front case, and panel members. At least one of the front case and the rear case has arms that extend in a direction approximately parallel to an optical axis of the image pickup apparatus and that are united with at least one of the front case and the rear case. The front case and the rear case are connected through the arms. The panel members are fixed to the front case and the rear case so as to cover openings formed in a state where the front case and the rear case are connected through the arms.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: May 9, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Manami Gunji, Takeshi Hamada, Takao Kimura
  • Patent number: 11621535
    Abstract: A fiber laser apparatus includes: a short-length type fiber to which an active element is added and that has a length of 300 mm or less: a ferrule attached to an end of the fiber; and a housing that accommodates the fiber and supports the fiber with the ferrule. Each of the housing and the ferrule is composed of a material having a first thermal expansion coefficient that is equal to or have a predetermined difference from a second thermal expansion coefficient of a raw material of the fiber. The predetermined difference between the first and second thermal expansion coefficients is within ?8.6×10?6 to 11.4×10?6/K.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: April 4, 2023
    Assignee: KIMMON KOHA CO., LTD.
    Inventors: Yasushi Fujimoto, Paul Binun, Shinji Motokoshi, Masamori Nakahara, Takeshi Hamada
  • Publication number: 20220385025
    Abstract: An ultraviolet laser apparatus includes: a semiconductor laser that emits an excitation laser light; a fiber laser medium to which the excitation laser light enters from the semiconductor laser and that causes laser oscillation; and an external resonator that: converts a wavelength of a laser light oscillated in the fiber laser medium, and outputs an ultraviolet region continuous wave of at least 0.1W.
    Type: Application
    Filed: August 5, 2022
    Publication date: December 1, 2022
    Applicant: KIMMON KOHA CO., LTD.
    Inventors: Yasushi Fujimoto, Paul Binun, Shinji Motokoshi, Masamori Nakahara, Takeshi Hamada
  • Publication number: 20220124225
    Abstract: An image pickup apparatus having extendibility. The image pickup apparatus includes a front case that forms an apparatus appearance, a rear case that forms the apparatus appearance with the front case, and panel members. At least one of the front case and the rear case has arms that extend in a direction approximately parallel to an optical axis of the image pickup apparatus and that are united with at least one of the front case and the rear case. The front case and the rear case are connected through the arms. The panel members are fixed to the front case and the rear case so as to cover openings formed in a state where the front case and the rear case are connected through the arms.
    Type: Application
    Filed: October 8, 2021
    Publication date: April 21, 2022
    Inventors: Manami Gunji, Takeshi Hamada, Takao Kimura
  • Patent number: 11310401
    Abstract: An image capture apparatus to which a module having a predetermined function can be attached, the apparatus comprises a connecting unit configured to attach the module, a heat transfer unit configured to exchange heat with the module, a communication unit configured to communicate with the module, and a control unit configured to control a heat dissipation state of a system including the image capture apparatus and the module on the basis of information pertaining to heat dissipation performance of the module and position information pertaining to an attachment position of the module, the information having been acquired by the communication unit.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: April 19, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hironobu Makara, Tadanori Saito, Kazuaki Maruhashi, Takamichi Kosugi, Takutomi Ogawa, Tsubasa Nakatani, Naohiro Arai, Manabu Abe, Takeshi Hamada, Manami Gunji, Yuya Nagata, Yuta Nakamura, Hiroshi Yano
  • Publication number: 20220109280
    Abstract: A fiber laser apparatus includes: a short-length type fiber to which an active element is added and that has a length of 300 mm or less: a ferrule attached to an end of the fiber; and a housing that accommodates the fiber and supports the fiber with the ferrule. Each of the housing and the ferrule is composed of a material having a first thermal expansion coefficient that is equal to or have a predetermined difference from a second thermal expansion coefficient of a raw material of the fiber. The predetermined difference between the first and second thermal expansion coefficients is within ?8.6×10?6 to 11.4×10?6/K.
    Type: Application
    Filed: December 14, 2021
    Publication date: April 7, 2022
    Applicant: KIMMON KOHA CO., LTD.
    Inventors: Yasushi Fujimoto, Paul Binun, Shinji Motokoshi, Masamori Nakahara, Takeshi Hamada
  • Publication number: 20220102933
    Abstract: A laser apparatus includes: a laser oscillator that includes a mirror and emits a laser beam; and an external resonator that includes a nonlinear optical crystal that functions as a phase conjugate mirror. The phase conjugate mirror reflects the laser beam and produces a phase conjugate wave that reaches the mirror of the laser oscillator, and the mirror of the laser oscillator and the phase conjugate mirror cause laser oscillation such that a wavelength and a phase of the laser beam oscillated by the laser oscillation are automatically fixed.
    Type: Application
    Filed: December 14, 2021
    Publication date: March 31, 2022
    Applicant: KIMMON KOHA CO., LTD.
    Inventors: Yasushi Fujimoto, Paul Binun, Shinji Motokoshi, Masamori Nakahara, Takeshi Hamada
  • Publication number: 20200288048
    Abstract: An image capture apparatus to which a module having a predetermined function can be attached, the apparatus comprises a connecting unit configured to attach the module, a heat transfer unit configured to exchange heat with the module, a communication unit configured to communicate with the module, and a control unit configured to control a heat dissipation state of a system including the image capture apparatus and the module on the basis of information pertaining to heat dissipation performance of the module and position information pertaining to an attachment position of the module, the information having been acquired by the communication unit.
    Type: Application
    Filed: February 19, 2020
    Publication date: September 10, 2020
    Inventors: Hironobu Makara, Tadanori Saito, Kazuaki Maruhashi, Takamichi Kosugi, Takutomi Ogawa, Tsubasa Nakatani, Naohiro Arai, Manabu Abe, Takeshi Hamada, Manami Gunji, Yuya Nagata, Yuta Nakamura, Hiroshi Yano
  • Patent number: 10638026
    Abstract: An image pickup apparatus on and from which a lens unit can be mounted and removed. The image pickup apparatus includes an image pickup device, a mount part on and from which a lens unit is mounted and removed on the image pickup apparatus, a light shielding member that is provided between the image pickup device and the mount part, and shields light in a peripheral part of a light flux guided by the lens unit by adjusting an opening amount in a photographic optical path. The opening amount of the light shielding member is controlled based on information on the lens unit mounted on the mount part.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: April 28, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoko Shimizu, Takashi Arai, Takeshi Hamada
  • Patent number: 10356892
    Abstract: An image pickup apparatus improved in heat dissipation efficiency. An image pickup section includes an image pickup device. A circuit board includes an image processor for processing on output from the image pickup device. A duct section has a fan for discharging heat generated on the circuit board to the outside. A rear cover forming a part of an exterior is disposed at the rear of the apparatus in an optical axis direction. The circuit board is disposed between the duct section and the rear cover in the optical axis direction. The duct section includes a plurality of extended portions which are extended in the optical axis direction to surround the circuit board and are in contact with the rear cover.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: July 16, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takeshi Hamada, Yoko Shimizu
  • Publication number: 20180278817
    Abstract: An image pickup apparatus on and from which a lens unit can be mounted and removed. The image pickup apparatus includes an image pickup device, a mount part on and from which a lens unit is mounted and removed on the image pickup apparatus, a light shielding member that is provided between the image pickup device and the mount part, and shields light in a peripheral part of a light flux guided by the lens unit by adjusting an opening amount in a photographic optical path. The opening amount of the light shielding member is controlled based on information on the lens unit mounted on the mount part.
    Type: Application
    Filed: March 19, 2018
    Publication date: September 27, 2018
    Inventors: Yoko Shimizu, Takashi Arai, Takeshi Hamada
  • Publication number: 20180263104
    Abstract: An image pickup apparatus improved in heat dissipation efficiency. An image pickup section includes an image pickup device. A circuit board includes an image processor for processing on output from the image pickup device. A duct section has a fan for discharging heat generated on the circuit board to the outside. A rear cover forming a part of an exterior is disposed at the rear of the apparatus in an optical axis direction. The circuit board is disposed between the duct section and the rear cover in the optical axis direction. The duct section includes a plurality of extended portions which are extended in the optical axis direction to surround the circuit board and are in contact with the rear cover.
    Type: Application
    Filed: February 13, 2018
    Publication date: September 13, 2018
    Inventors: Takeshi Hamada, Yoko Shimizu
  • Patent number: 9845485
    Abstract: Provided are microalgae of the genus Euglena that fall under Euglena gracilis strain EOD-1 (Accession No. FERM BP-11530) or its mutant strain and that are capable of producing at least polysaccharides. Further provided is a method for producing polysaccharides including: culturing microalgae of the genus Euglena that fall under Euglena gracilis strain EOD-1 (Accession No. FERM BP-11530) or its mutant strain and that are capable of producing at least polysaccharides as polysaccharide-producing organisms to produce the polysaccharides. Further provided is a method for producing an organic compound including: culturing microalgae of the genus Euglena that fall under Euglena gracilis strain EOD-1 (Accession No. FERM BP-11530) or its mutant strain and that are capable of producing at least polysaccharides to produce at least one organic compound selected from the group consisting of polysaccharides, lipids, vitamin C, vitamin E, pigments, and proteins.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: December 19, 2017
    Assignee: Kobelco Eco-Solutions Co., Ltd.
    Inventors: Makoto Watanabe, Mikihide Demura, Masanobu Kawachi, Natsuki Sato, Akira Akashi, Jun Takezaki, Takeshi Hamada, Madoka Takahashi, Kenji Ohiraki
  • Patent number: 9751846
    Abstract: The present invention provides an industrially advantageous method for producing a 1,4-benzoxazine compound useful as a medicine while avoiding safety and health risks. Specifically, the present invention provides a method for producing a 1,4-benzoxazine compound [A], which comprises the three steps in the following scheme, namely, a step of converting the amino group at 7-position in a compound [a] into a dimesylamino group, a step of coupling a compound [b] with a boronic acid compound, and a step of converting the 7-position in a compound [c] into a monomesylamino group. In the above scheme, Ms is a methanesulfonyl group, and each of R? and R? is a hydrogen atom etc.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: September 5, 2017
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Tomoyuki Okabe, Takeshi Hamada, Kaori Tomikawa, Yukie Okamoto, Toru Iijima, Hidenori Akatsuka, Kenichi Toyama, Atsushi Moroda, Yoshihiro Sugiura
  • Publication number: 20160362385
    Abstract: The present invention provides an industrially advantageous method for producing a 1,4-benzoxazine compound useful as a medicine while avoiding safety and health risks. Specifically, the present invention provides a method for producing a 1,4-benzoxazine compound [A], which comprises the three steps in the following scheme, namely, a step of converting the amino group at 7-position in a compound [a] into a dimesylamino group, a step of coupling a compound [b] with a boronic acid compound, and a step of converting the 7-position in a compound [c] into a monomesylamino group. In the above scheme, Ms is a methanesulfonyl group, and each of R? and R? is a hydrogen atom etc.
    Type: Application
    Filed: July 8, 2016
    Publication date: December 15, 2016
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Tomoyuki OKABE, Takeshi HAMADA, Kaori TOMIKAWA, Yukie OKAMOTO, Toru IIJIMA, Hidenori AKATSUKA, Kenichi TOYAMA, Atsushi MORODA, Yoshihiro SUGIURA
  • Patent number: 9409874
    Abstract: The present invention provides an industrially advantageous method for producing a 1,4-benzoxazine compound useful as a medicine while avoiding safety and health risks. Specifically, the present invention provides a method for producing a 1,4-benzoxazine compound [A], which comprises the three steps in the following scheme, namely, a step of converting the amino group at 7-position in a compound [a] into a dimesylamino group, a step of coupling a compound [b] with a boronic acid compound, and a step of converting the 7-position in a compound [c] into a monomesylamino group. In the above scheme, Ms is a methanesulfonyl group, and each of R? and R? is a hydrogen atom etc.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: August 9, 2016
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Tomoyuki Okabe, Takeshi Hamada, Kaori Tomikawa, Yukie Okamoto, Toru Iijima, Hidenori Akatsuka, Kenichi Toyama, Atsushi Moroda, Yoshihiro Sugiura
  • Publication number: 20160122789
    Abstract: Provided are microalgae of the genus Euglena that fall under Euglena gracilis strain EOD-1 (Accession No. FERM BP-11530) or its mutant strain and that are capable of producing at least polysaccharides. Further provided is a method for producing polysaccharides including: culturing microalgae of the genus Euglena that fall under Euglena gracilis strain EOD-1 (Accession No. FERM BP-11530) or its mutant strain and that are capable of producing at least polysaccharides as polysaccharide-producing organisms to produce the polysaccharides. Further provided is a method for producing an organic compound including: culturing microalgae of the genus Euglena that fall under Euglena gracilis strain EOD-1 (Accession No. FERM BP-11530) or its mutant strain and that are capable of producing at least polysaccharides to produce at least one organic compound selected from the group consisting of polysaccharides, lipids, vitamin C, vitamin E, pigments, and proteins.
    Type: Application
    Filed: March 24, 2014
    Publication date: May 5, 2016
    Inventors: Makoto Watanabe, Mikihide Demura, Masanobu Kawachi, Natsuki Sato, Akira Akashi, Jun Takezaki, Takeshi Hamada, Madoka Takahashi, Kenji Ohiraki
  • Publication number: 20150218113
    Abstract: The present invention provides an industrially advantageous method for producing a 1,4-benzoxazine compound useful as a medicine while avoiding safety and health risks. Specifically, the present invention provides a method for producing a 1,4-benzoxazine compound [A], which comprises the three steps in the following scheme, namely, a step of converting the amino group at 7-position in a compound [a] into a dimesylamino group, a step of coupling a compound [b] with a boronic acid compound, and a step of converting the 7-position in a compound [c] into a monomesylamino group. In the above scheme, Ms is a methanesulfonyl group, and each of R? and R? is a hydrogen atom etc.
    Type: Application
    Filed: August 8, 2013
    Publication date: August 6, 2015
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Tomoyuki Okabe, Takeshi Hamada, Kaori Tomikawa, Yukie Okamoto, Toru Iijima, Hidenori Akatsuka, Kenichi Toyama, Atsushi Moroda, Yoshihiro Sugiura