Patents by Inventor Manabu Wakamatsu

Manabu Wakamatsu 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).

  • Patent number: 9032934
    Abstract: In a fuel injection valve supporting structure, a first contact surface being orthogonal to a center axis of a fuel injection valve and opposed to a fuel supply cap and paired second contact surfaces opposed to each other with a plane, including the center axis and a center line of a coupler, in between are formed in an intermediate portion of the fuel injection valve, and a supporting member includes: a base plate set on the first contact surface; an elastic piece extending from the base plate to elastically come into pressure contact with the fuel supply cap and bias the fuel injection valve toward an injection valve attachment hole by its reaction force; and paired turn stopper pieces each extending from the base plate to abut against the second contact surface and restrict a turn of the fuel injection valve about the center axis.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: May 19, 2015
    Assignee: Keihin Corporation
    Inventors: Nakaya Nakamura, Manabu Wakamatsu, Keisuke Machida, Akira Arioka
  • Patent number: 6820543
    Abstract: A multicolor printing method using a plurality of ink drums each being loaded with a respective master and a system therefore are disclosed. A plurality of removable ink drums replaceable with each other are fed with respective masters by fixed master feeding devices smaller in number than ink drums via the replacement of the drums and are used for printing. The method and system of the present invention are low cost and enhance downsizing and accurate registration between the masters.
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: November 23, 2004
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Publication number: 20040045457
    Abstract: A multicolor printing method using a plurality of ink drums each being loaded with a respective master and a system therefore are disclosed. A plurality of removable ink drums replaceable with each other are fed with respective masters by fixed master feeding devices smaller in number than ink drums via the replacement of the drums and are used for printing. The method and system of the present invention are low cost and enhance downsizing and accurate registration between the masters.
    Type: Application
    Filed: September 8, 2003
    Publication date: March 11, 2004
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Patent number: 6644189
    Abstract: A multicolor printing method and system including a master making device having plurality of removable ink drums replaceable with each other and a printing device. The plurality of removable ink drums are fed with respective masters to be used for printing, by fixed master feeding devices smaller in number than the removable ink drums. The removable ink drums fed with respective masters are then used by the printing device for printing onto paper. The method and system provides multicolor printing with lower cost, reduced size and accurate registration between the respective masters, as compared to conventional methods and systems.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: November 11, 2003
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Patent number: 6644183
    Abstract: A multicolor printing method and system including a master making device having plurality of removable ink drums replaceable with each other and a printing device. The plurality of removable ink drums are fed with respective masters to be used for printing, by fixed master feeding devices smaller in number than the removable ink drums. The removable ink drums fed with respective masters are then used by the printing device for printing onto paper. The method and system provides multicolor printing with lower cost, reduced size and accurate registration between the respective masters, as compared to conventional methods and systems.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: November 11, 2003
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Patent number: 6564707
    Abstract: A multicolor printing method and system including a master making device having plurality of removable ink drums replaceable with each other and a printing device. The plurality of removable ink drums are fed with respective masters to be used for printing, by fixed master feeding devices smaller in number than the removable ink drums. The removable ink drums fed with respective masters are then used by the printing device for printing onto paper. The method and system provides multicolor printing with lower cost, reduced size and accurate registration between the respective masters, as compared to conventional methods and systems.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: May 20, 2003
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Publication number: 20020117062
    Abstract: A multicolor printing method using a plurality of ink drums each being loaded with a respective master and a system therefore are disclosed. A plurality of removable ink drums replaceable with each other are fed with respective masters by fixed master feeding devices smaller in number than ink drums via the replacement of the drums and are used for printing. The method and system of the present invention are low cost and enhance downsizing and accurate registration between the masters.
    Type: Application
    Filed: April 11, 2002
    Publication date: August 29, 2002
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Publication number: 20020108514
    Abstract: A multicolor printing method using a plurality of ink drums each being loaded with a respective master and a system therefore are disclosed. A plurality of removable ink drums replaceable with each other are fed with respective masters by fixed master feeding devices smaller in number than ink drums via the replacement of the drums and are used for printing. The method and system of the present invention are low cost and enhance downsizing and accurate registration between the masters.
    Type: Application
    Filed: April 11, 2002
    Publication date: August 15, 2002
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Publication number: 20020108511
    Abstract: A multicolor printing method using a plurality of ink drums each being loaded with a respective master and a system therefore are disclosed. A plurality of removable ink drums replaceable with each other are fed with respective masters by fixed master feeding devices smaller in number than ink drums via the replacement of the drums and are used for printing. The method and system of the present invention are low cost and enhance downsizing and accurate registration between the masters.
    Type: Application
    Filed: April 11, 2002
    Publication date: August 15, 2002
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Publication number: 20020092431
    Abstract: A multicolor printing method using a plurality of ink drums each being loaded with a respective master and a system therefore are disclosed. A plurality of removable ink drums replaceable with each other are fed with respective masters by fixed master feeding devices smaller in number than ink drums via the replacement of the drums and are used for printing. The method and system of the present invention are low cost and enhance downsizing and accurate registration between the masters.
    Type: Application
    Filed: March 19, 2002
    Publication date: July 18, 2002
    Applicant: Tohoku Ricoh Co., Ltd.
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Patent number: 6371016
    Abstract: A multicolor printing method and system including a master making device having plurality of removable ink drums replaceable with each other and a printing device. The plurality of removable ink drums are fed with respective masters to be used for printing, by fixed master feeding devices smaller in number than the removable ink drums. The removable ink drums fed with the respective masters are then used by the printing device for printing onto paper. The method and system provides multicolor printing with lower cost, reduced size and accurate registration between the respective masters, as compared to conventional methods and systems.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: April 16, 2002
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Hironobu Takasawa, Manabu Wakamatsu
  • Publication number: 20020002915
    Abstract: A multicolor printing method using a plurality of ink drums each being loaded with a respective master and a system therefore are disclosed. A plurality of removable ink drums replaceable with each other are fed with respective masters by fixed master feeding devices smaller in number than ink drums via the replacement of the drums and are used for printing. The method and system of the present invention are low cost and enhance downsizing and accurate registration between the masters.
    Type: Application
    Filed: October 1, 1998
    Publication date: January 10, 2002
    Inventors: HIRONOBU TAKASAWA, MANABU WAKAMATSU