Patents Assigned to Koshin, Ltd.
  • Centrifugal pump
    Patent number: D503411
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: March 29, 2005
    Assignee: Koshin, Ltd.
    Inventor: Youichi Fujiwara
  • Diaphragm pump with engine
    Patent number: D481737
    Type: Grant
    Filed: February 5, 2003
    Date of Patent: November 4, 2003
    Assignee: Koshin, Ltd.
    Inventor: Kazuhiro Sugiyama
  • Pump
    Patent number: D691639
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: October 15, 2013
    Assignee: Koshin Ltd.
    Inventor: Kunihiro Hirai