Patents by Inventor Shinroku Nakao

Shinroku Nakao 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).

  • Urinary collecting unit
    Patent number: D248495
    Type: Grant
    Filed: June 4, 1976
    Date of Patent: July 11, 1978
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Kenshun Ishii
  • Toy music box
    Patent number: D248586
    Type: Grant
    Filed: December 9, 1976
    Date of Patent: July 18, 1978
    Assignee: Combi Co. Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Hiroaki Matsuda
  • Toy vehicle
    Patent number: D248683
    Type: Grant
    Filed: June 16, 1976
    Date of Patent: July 25, 1978
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Hiroaki Matsuda
  • Toy music box
    Patent number: D248684
    Type: Grant
    Filed: December 9, 1976
    Date of Patent: July 25, 1978
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Hiroaki Matsuda
  • Combined nestable bath toy
    Patent number: D248786
    Type: Grant
    Filed: February 20, 1976
    Date of Patent: August 1, 1978
    Assignee: Combi Co., Ltd.
    Inventor: Shinroku Nakao
  • Linked figures bath toy
    Patent number: D250787
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: January 9, 1979
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Kazuo Nagata
  • Bath toy
    Patent number: D250788
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: January 9, 1979
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Kazuo Nagata
  • Toy vehicle
    Patent number: D250851
    Type: Grant
    Filed: November 17, 1976
    Date of Patent: January 16, 1979
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Taira Hanashima
  • Toy loader with pivotable shovel and removable nested components
    Patent number: D251626
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: April 17, 1979
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Eiichi Ishigaki
  • Combined toy vehicle and removable figures therefor
    Patent number: D252348
    Type: Grant
    Filed: October 28, 1977
    Date of Patent: July 10, 1979
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Hiroaki Matsuda
  • Toy vehicle with removable handle
    Patent number: D252652
    Type: Grant
    Filed: August 30, 1977
    Date of Patent: August 14, 1979
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Taira Hanashima
  • Toy vehicle
    Patent number: D252653
    Type: Grant
    Filed: September 27, 1977
    Date of Patent: August 14, 1979
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Kazuo Nagata
  • Toy vehicle
    Patent number: D252829
    Type: Grant
    Filed: April 19, 1977
    Date of Patent: September 4, 1979
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Kazuo Nagata
  • Bedpan
    Patent number: D253304
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: October 30, 1979
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Kenshun Ishii
  • Vehicle toy
    Patent number: D253710
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: December 18, 1979
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Taira Hanashima
  • Combined toy vehicle and stacked, removable articles
    Patent number: D253777
    Type: Grant
    Filed: May 10, 1977
    Date of Patent: December 25, 1979
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Kazuo Nagata
  • Baby chair
    Patent number: D254699
    Type: Grant
    Filed: February 21, 1978
    Date of Patent: April 15, 1980
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Kenshun Ishii, Kazuo Nagata
  • Combined baby carriage and basket
    Patent number: D254906
    Type: Grant
    Filed: March 13, 1979
    Date of Patent: May 6, 1980
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Kouichi Kobayashi, Yuzo Abe
  • Baby stroller
    Patent number: D254969
    Type: Grant
    Filed: February 24, 1978
    Date of Patent: May 13, 1980
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Kouichi Kobayashi, Kazuo Moriya
  • Rattle
    Patent number: D256259
    Type: Grant
    Filed: November 1, 1977
    Date of Patent: August 5, 1980
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii