Patents Assigned to Yoshinaga Prince Company Limited
  • Lighter
    Patent number: D292029
    Type: Grant
    Filed: July 18, 1985
    Date of Patent: September 22, 1987
    Assignee: Yoshinaga Prince Company Limited
    Inventor: Sadao Yoshinaga
  • Hand-held piezo electric torch
    Patent number: D299000
    Type: Grant
    Filed: July 18, 1985
    Date of Patent: December 20, 1988
    Assignee: Yoshinaga Prince Company Limited
    Inventor: Sadao Yoshinaga
  • Gas burner
    Patent number: D302098
    Type: Grant
    Filed: June 20, 1986
    Date of Patent: July 11, 1989
    Assignee: Yoshinaga Prince Company Limited
    Inventor: Sadao Yoshinaga
  • Ball-point pen
    Patent number: D305776
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: January 30, 1990
    Assignee: Yoshinaga Prince Company Limited
    Inventors: Suk J. Kim, Atsushi Deguchi, Sadao Yoshinaga
  • Ball-point pen
    Patent number: D305910
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: February 6, 1990
    Assignee: Yoshinaga Prince Company Limited
    Inventors: Suk J. Kim, Atsushi Deguchi, Sadao Yoshinaga
  • Ball-point pen
    Patent number: D306457
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: March 6, 1990
    Assignee: Yoshinaga Prince Company Limited
    Inventors: Suk J. Kim, Atsushi Deguchi, Sadao Yoshinaga
  • Ball-point pen
    Patent number: D308226
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: May 29, 1990
    Assignee: Yoshinaga Prince Company Limited
    Inventors: Suk J. Kim, Atsushi Deguchi, Sadao Yoshinaga
  • Ball-point pen
    Patent number: D308888
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: June 26, 1990
    Assignee: Yoshinaga Prince Company Limited
    Inventors: Suk J. Kim, Atsushi Deguchi, Sadao Yoshinaga
  • Ball-point pen
    Patent number: D313041
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: December 18, 1990
    Assignee: Yoshinaga Prince Company Limited
    Inventors: Suk J. Kim, Atsushi Deguchi, Sadao Yoshinaga