Patents by Inventor Tadashi Okamura

Tadashi Okamura 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).

  • Horizontal blind and method for manufacturing horizontal blind
    Patent number: 10190364
    Abstract: A weft of each rung of a ladder cord is formed of two weft threads, an intersecting portion is formed in the weft threads, a slat is inserted between the intersecting portion and one of warp threads of the ladder cord, and a lifting and lowering cord is inserted between the weft threads at a location between the intersecting portion and another of the warp threads.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: January 29, 2019
    Assignee: TACHIKAWA CORPORATION
    Inventors: Koi Tachikawa, Kazuto Yamagishi, Yoshiyuki Hadano, Tadashi Okamura, Takenobu Ebato
  • CURTAIN ACCESSORY
    Publication number: 20160270578
    Abstract: To improve the safety of a curtain accessory for bunching a curtain. A curtain accessory for bunching a curtain includes at least one of members consisting of a tassel, a tassel hook, and a tassel auxiliary part for ensuring safety when attaching the tassel to the tassel hook. A coupling mechanism is disposed on the at least one member or between the adjacent members. The coupling mechanism is configured in such a manner that, when a load applied to the tassel exceeds a predetermined value, the coupling mechanism is decoupled, as well as can be recoupled after decoupled.
    Type: Application
    Filed: July 16, 2014
    Publication date: September 22, 2016
    Applicant: TACHIKAWA CORPORATION
    Inventors: Koui TACHIKAWA, Kazuto YAMAGISHI, Sigeharu MATSUO, Masaya YAMAGUCHI, Tatsuya EGAMI, Takenobu EBATO, Yoshihiro TAKAYAMA, Tadashi OKAMURA
  • Operation apparatus of sunlight shielding apparatus, lifting apparatus of roll-up blind and operation pulley
    Patent number: 9151109
    Abstract: An operation apparatus of a sunlight shielding apparatus is provided which is equipped with a fail-safe function so as not to hinder behavior of a dweller or the like, and, in usual operation, unnecessary activation of the fail-safe function is prevented, so that enhanced operability can be realized.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: October 6, 2015
    Assignee: Tachikawa Corporation
    Inventors: Eiji Kawai, Hajime Nakamura, Yoshiyuki Hadano, Tadashi Okamura
  • HORIZONTAL BLIND AND METHOD FOR MANUFACTURING HORIZONTAL BLIND
    Publication number: 20150075728
    Abstract: A weft of each rung of a ladder cord is formed of two weft threads, an intersecting portion is formed in the weft threads, a slat is inserted between the intersecting portion and one of warp threads of the ladder cord, and a lifting and lowering cord is inserted between the weft threads at a location between the intersecting portion and another of the warp threads.
    Type: Application
    Filed: March 28, 2013
    Publication date: March 19, 2015
    Applicant: TACHIKAWA CORPORATION
    Inventors: Koi Tachikawa, Kazuto Yamagishi, Yoshiyuki Hadano, Tadashi Okamura, Takenobu Ebato
  • OPERATION APPARATUS OF SUNLIGHT SHIELDING APPARATUS, LIFTING APPARATUS OF ROLL-UP BLIND AND OPERATION PULLEY
    Publication number: 20130056164
    Abstract: An operation apparatus of a sunlight shielding apparatus is provided which is equipped with a fail-safe function so as not to hinder behavior of a dweller or the like, and, in usual operation, unnecessary activation of the fail-safe function is prevented, so that enhanced operability can be realized.
    Type: Application
    Filed: April 12, 2011
    Publication date: March 7, 2013
    Applicant: TACHIKAWA CORPORATION
    Inventors: Eiji Kawai, Hajime Nakamura, Yoshiyuki Hadano, Tadashi Okamura
  • Powder electroluminescent element comprising inorganic electroluminescent particles and a polyurethane binder
    Patent number: 5069815
    Abstract: A powder electroluminescent element which comprises electroluminescent particles and an organic binder at least partly comprising a polyurethane shows a high emission intensity or brightness and has a prolonged operating life.
    Type: Grant
    Filed: December 1, 1989
    Date of Patent: December 3, 1991
    Assignees: Osaka-Fu, Itoh Seiyu Kabushiki Kaisha
    Inventors: Akira Aoki, Yukio Fujishima, Yusuke Makio, Susumu Kusakawa, Sadaaki Tsuji, Tadashi Okamura