Patents by Inventor Ryuichi Kitagawa

Ryuichi Kitagawa 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: 11978282
    Abstract: An authentication system according to one aspect of the present disclosure includes: at least one memory storing a set of instructions; and at least one processor configured to execute the set of instructions to: track an object included in a video captured by a first capture device; detect a candidate for biometric authentication in the object being tracked; determine whether biometric authentication has been performed for the candidate based on a record of biometric authentication performed for the object being tracked; and perform the biometric authentication for the candidate based on a video of an authentication part of the candidate when the biometric authentication has not been performed for the candidate, the video of the authentication part being captured by a second capture device having a capture range including a part of a capture range of the first capture device.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: May 7, 2024
    Assignee: NEC CORPORATION
    Inventors: Keiichi Chono, Masato Tsukada, Chisato Funayama, Ryuichi Akashi, Yuka Ogino, Takashi Shibata, Shoji Yachida, Hiroshi Imai, Emi Kitagawa, Yasuhiko Yoshida, Yusuke Mori
  • Patent number: 4217018
    Abstract: Improved channel shape electrical supply track for holding and supplying electric power to electric equipments such as spot light is provided with high mechanical strength and yet refined appearance. An elongated core case of steel plate bent into a channel shape substantially of C-shape in section is covered over inner and outer surfaces with molded synthetic resin. An inner layer of the resin covering includes a pair of opposing and parallelly elongated members simultaneously molded with the layer for supporting inside the case core a pair of elongated conductive members embedded in opposing ends of the supporting members and exposed for electrical contact with plug blades of the equipment.
    Type: Grant
    Filed: August 29, 1978
    Date of Patent: August 12, 1980
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Makoto Yoshida, Nobutsugu Nagashima, Akihiro Suzue, Ryuichi Kitagawa, Misao Namikawa