Patents by Inventor Hiroki Mitsui

Hiroki Mitsui 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).

  • Publication number: 20210158979
    Abstract: A pit gate includes a gate body which is inserted between a pool portion storing water and a canal portion connected to the pool portion and is configured to change a flow state of the water, and a seal portion (6) which is accommodated in a groove-shaped accommodation recess formed in the gate body and seals between the pool portion and the gate body. The seal portion (6) includes a low-rigidity portion (10) which is relatively easily deformed by a load according to a water pressure from the pool portion side, and a high-rigidity portion (11) which is provided on the pool portion side of the low-rigidity portion and is not easily deformed relatively by the load.
    Type: Application
    Filed: September 21, 2018
    Publication date: May 27, 2021
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hiromu Okamoto, Hisanori Watanabe, Hidetaka Kafuku, Shunsuke Tanaka, Hiroki Mitsui, Yasuharu Suda, Takao Ito, Hayao Kurono, Shuhei Dobara, Takumi Hori
  • Patent number: 10351398
    Abstract: A rope hoist includes: a rope drum around which a wire rope can be wound; a drum motor for rotating the rope drum; a reduction gear mechanism reducing the rotation of the drum motor and transmitting the rotation to the rope drum; and a control unit controlling driving of the drum motor. The reduction gear mechanism is arranged inside a wall portion provided by being projected from a motor cover of a main body part which is an end frame member supporting the rope drum, a lead wire extended from the drum motor and a cable extended from the control unit are connected via a relay, and the relay is arranged on the outside of the wall portion surrounding the reduction gear mechanism, and housed inside a recess provided on the motor cover.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: July 16, 2019
    Assignee: KITO CORPORATION
    Inventor: Hiroki Mitsui
  • Publication number: 20170152128
    Abstract: A rope hoist includes: a rope drum around which a wire rope can be wound; a drum motor for rotating the rope drum; a reduction gear mechanism reducing the rotation of the drum motor and transmitting the rotation to the rope drum; and a control unit controlling driving of the drum motor. The reduction gear mechanism is arranged inside a wall portion provided by being projected from a motor cover of a main body part which is an end frame member supporting the rope drum, a lead wire extended from the drum motor and a cable extended from the control unit are connected via a relay, and the relay is arranged on the outside of the wall portion surrounding the reduction gear mechanism, and housed inside a recess provided on the motor cover.
    Type: Application
    Filed: May 14, 2015
    Publication date: June 1, 2017
    Inventor: Hiroki MITSUI
  • Patent number: 4415573
    Abstract: Novel uracil derivatives of the formula ##STR1## (wherein R.sub.1, R.sub.2 R.sub.3 and X are defined in the description) and their pharmaceutically acceptable salts, process for preparing the same and pharmaceutical composition containing the same are disclosed. The uracil derivatives have good antitumor activity and, therefore, are useful as antitumor preparation.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: November 15, 1983
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Kiyoshige Ochi, Katsuhito Miyamoto, Hiroki Mitsui, Yumiko Tsuruma, Isao Matsunaga, Takashi Matsuno, Shigeru Takanashi, Minoru Shindo
  • Patent number: 4349541
    Abstract: An anti-tumor preparation containing cells of Streptococcus equisimilis and a process for preparing the preparation which comprises subjecting the cells to heat treatment in a salt solution with or without penicillin treatment.
    Type: Grant
    Filed: May 25, 1979
    Date of Patent: September 14, 1982
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Yasuhisa Takeda, Takashi Matsuno, Mihoko Ohtaka, Hiroki Mitsui, Tsutomu Kawaguchi, Hisako Masuda, Hiroshi Okazaki, Mitsuaki Handa, Yutaka Sugawara, Haruki Ogawa