Patents by Inventor Keisuke Hirama

Keisuke Hirama 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).

  • Holder for blood reservoir
    Patent number: D746470
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: December 29, 2015
    Assignee: NIPRO CORPORATION
    Inventors: Susumu Kobayashi, Kazuhisa Ishihara, Yuji Kuwahara, Keisuke Hirama, Eiichi Koiso, Shunsuke Kikumoto, Yukinori Ebara, Naoaki Yasumura
  • Blood reservoir and oxygenator in combination
    Patent number: D746471
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: December 29, 2015
    Assignee: NIPRO CORPORATION
    Inventors: Susumu Kobayashi, Yukinori Ebara, Kazuhisa Ishihara, Yuji Kuwahara, Shunsuke Kikumoto, Naoaki Yasumura, Keisuke Hirama, Eiichi Koiso
  • Blood reservoir
    Patent number: D749739
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: February 16, 2016
    Assignee: Nipro Corporation
    Inventors: Susumu Kobayashi, Kazuhisa Ishihara, Yuji Kuwahara, Keisuke Hirama, Eiichi Koiso, Shunsuke Kikumoto, Yukinori Ebara, Naoaki Yasumura
  • Blood reservoir and oxygenator in combination
    Patent number: D750257
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: February 23, 2016
    Assignee: Nipro Corporation
    Inventors: Susumu Kobayashi, Kazuhisa Ishihara, Yuji Kuwahara, Keisuke Hirama, Eiichi Koiso, Shunsuke Kikumoto, Yukinori Ebara, Naoaki Yasumura