Patents by Inventor Atsushi Yamahashi

Atsushi Yamahashi 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 CONTROLLING MIXER AND METHOD FOR PRODUCING CARRIER
    Publication number: 20230285915
    Abstract: A method, for controlling a mixer that mixes materials through rotation of an impeller while a solvent contained in the materials is evaporated under negative pressure, performs a process in which the mixer is operated while the pressure inside the mixer is increased or decreased according to a predetermined profile. When a power value of the impeller exceeds a predetermined upper limit during the operation of the mixer, the pressure inside the mixer is increased. When the power value falls below a predetermined lower limit during the operation of the mixer, the pressure inside the mixer is decreased.
    Type: Application
    Filed: September 8, 2022
    Publication date: September 14, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yosuke AKABANE, Takeshi TANABE, Atsushi YAMAHASHI
  • Wastewater treatment process
    Patent number: 7468137
    Abstract: A wastewater treatment process for treating wastewater comprising a water-based dispersion containing a surfactant, a colorant and silica, as well as other solid matter, wherein the wastewater is treated using a polysilicato-iron coagulant.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: December 23, 2008
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hitoshi Kojima, Shinichiro Kawashima, Kazuya Mori, Atsushi Yamahashi, Yuji Masuda
  • Wastewater treatment process
    Publication number: 20060283806
    Abstract: A wastewater treatment process for treating wastewater comprising a water-based dispersion containing a surfactant, a colorant and silica, as well as other solid matter, wherein the wastewater is treated using a polysilicato-iron coagulant.
    Type: Application
    Filed: November 7, 2005
    Publication date: December 21, 2006
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Hitoshi Kojima, Shinichiro Kawashima, Kazuya Mori, Atsushi Yamahashi, Yuji Masuda