Patents by Inventor Yoichi Midorikawa

Yoichi Midorikawa 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).

  • Hydrogen generator and fuel cell system
    Patent number: 9312555
    Abstract: A hydrogen generator includes: a reformer configured to generate a hydrogen-containing gas by using a raw material; a hydro-desulfurizer configured to remove a sulfur compound in the raw material; a recycle passage through which the hydrogen-containing gas is supplied to the raw material before the raw material flows into the hydro-desulfurizer; a booster configured to supply the raw material to the reformer; a raw material supply passage through which the raw material to be supplied to the reformer flows; and an ejector which is disposed on the raw material supply passage provided downstream of the booster and upstream of the hydro-desulfurizer and into which the hydrogen-containing gas flows from the recycle passage.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: April 12, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshio Tamura, Koichi Kusumura, Yoichi Midorikawa, Yoshihiro Mori, Kouhei Tsuyuguchi
  • HYDROGEN GENERATOR AND FUEL CELL SYSTEM
    Publication number: 20140377672
    Abstract: A hydrogen generator includes: a reformer configured to generate a hydrogen-containing gas by using a raw material; a hydro-desulfurizer configured to remove a sulfur compound in the raw material; a recycle passage through which the hydrogen-containing gas is supplied to the raw material before the raw material flows into the hydro-desulfurizer; a booster configured to supply the raw material to the reformer; a raw material supply passage through which the raw material to be supplied to the reformer flows; and an ejector which is disposed on the raw material supply passage provided downstream of the booster and upstream of the hydro-desulfurizer and into which the hydrogen-containing gas flows from the recycle passage.
    Type: Application
    Filed: October 9, 2013
    Publication date: December 25, 2014
    Applicant: PANASONIC CORPORATION
    Inventors: Yoshio Tamura, Koichi Kusumura, Yoichi Midorikawa, Yoshihiro Mori, Kouhei Tsuyuguchi
  • FUEL CELL SYSTEM
    Publication number: 20100221629
    Abstract: A fuel cell system including a PEFC stack in an inner space of a housing includes a sheathed heater, arranged in the inner space, for heating the inner space; the sheathed heater is placed on a bottom face side of the inner space of the housing, while a gap is provided between the bottom face and the sheathed heater; a mounting plate for mounting an inner device including the PEFC stack is provided in the inner space of the housing; and the sheathed heater is arranged between the mounting plate and the bottom face of the inner space of the housing.
    Type: Application
    Filed: September 10, 2008
    Publication date: September 2, 2010
    Applicant: NIPPON OIL CORPORATION
    Inventors: Jun Akimoto, Akihiko Fukunaga, Tetsuo Okawa, Takeshi Ibuka, Manabu Hiwatari, Shuhei Sakima, Yoshihiro Hori, Shigeru Asai, Yasuyoshi Yamaguchi, Katsumi Tsuda, Yoichi Midorikawa, Takuya Masuyama