Patents by Inventor Tadashi Hiyama

Tadashi Hiyama 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).

  • Method for producing azido-amine derivative
    Patent number: 9896408
    Abstract: A method for producing an azido-amine derivative includes obtaining an azido-amine derivative and extracting the azido-amine derivative obtained by using an aromatic solvent or an ether solvent.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: February 20, 2018
    Assignee: FUJIFILM FINECHEMICALS CO., LTD.
    Inventors: Tadashi Hiyama, Zhiyong Yang, Takashi Nagayama
  • METHOD FOR PRODUCING AZIDO-AMINE DERIVATIVE
    Publication number: 20170121272
    Abstract: A method for producing an azido-amine derivative includes obtaining an azido-amine derivative and extracting the azido-amine derivative obtained by using an aromatic solvent or an ether solvent.
    Type: Application
    Filed: November 3, 2016
    Publication date: May 4, 2017
    Applicant: FUJIFILM FINECHEMICALS CO., LTD
    Inventors: Tadashi HIYAMA, Zhiyong YANG, Takashi NAGAYAMA
  • Cold and hot air blowing device for construction machinery
    Patent number: 6663483
    Abstract: To provide a cold/warm air outlet assembly for construction a machine, said assembly being capable of fully meeting desires on the comfort of a working environment of an operator under air conditioning and use of air conditioning for a multiplicity of purposes, an upper outlet tube 2 and lower outlet tube 3 are formed into substantially tubular shapes having conical circumferential walls with walls, through which air outlets 20,30 are formed, being included as tilted walls. The upper outlet tube 2 is resiliently fitted and connected to the lower outlet tube 3, and the lower outlet tube 3 is resiliently fitted and connected to a vertical part 11a of an air conditioner duct 11. The upper and lower outlet tubes 2,3 are, therefore, turnable in horizontal direction at their connected parts.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: December 16, 2003
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Hiroyuki Nishimori, Tadashi Hiyama, Takeshi Ishizuka, Seiji Ojima, Tsuyoshi Sakyou, Susumu Sasaki
  • Cold and hot air blowing device for construction machinery
    Publication number: 20030100256
    Abstract: To provide a cold/warm air outlet assembly for construction a machine, said assembly being capable of fully meeting desires on the comfort of a working environment of an operator under air conditioning and use of air conditioning for a multiplicity of purposes, an upper outlet tube 2 and lower outlet tube 3 are formed into substantially tubular shapes having conical circumferential walls with walls, through which air outlets 20,30 are formed, being included as tilted walls. The upper outlet tube 2 is resiliently fitted and connected to the lower outlet tube 3, and the lower outlet tube 3 is resiliently fitted and connected to a vertical part 11a of an air conditioner duct 11. The upper and lower outlet tubes 2,3 are, therefore, turnable in horizontal direction at their connected parts.
    Type: Application
    Filed: September 26, 2002
    Publication date: May 29, 2003
    Inventors: Hiroyuki Nishimori, Tadashi Hiyama, Takeshi Ishizuka, Seiji Ojima, Tsuyoshi Sakyou, Susumu Sasaki