Patents Assigned to Royal Co., Ltd.
  • Patent number: 4975709
    Abstract: A wake plotter apparatus capable of displaying the bearings of a vessel and a target point in which the vessel is intended to be returned is disclosed which includes a compass sensor, a speed sensor, a displaying device and a central processing unit.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: December 4, 1990
    Assignee: Fuji-Royal Co., Ltd.
    Inventor: Fuji Koike
  • Patent number: D306775
    Type: Grant
    Filed: April 9, 1987
    Date of Patent: March 20, 1990
    Assignee: Modern Royal Co., Ltd.
    Inventor: Kaname Ichikawa
  • Patent number: D308732
    Type: Grant
    Filed: April 5, 1988
    Date of Patent: June 19, 1990
    Assignee: Modern Royal Co., Ltd.
    Inventor: Kaname Ichikawa
  • Patent number: D316614
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: April 30, 1991
    Assignee: Modern Royal Co., Ltd.
    Inventor: Kaname Ichikawa
  • Patent number: D320467
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: October 1, 1991
    Assignee: Modern Royal Co., Ltd.
    Inventor: Kaname Ichikawa
  • Patent number: D329717
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: September 22, 1992
    Assignee: Modern Royal Co., Ltd.
    Inventor: Kaname Ichikawa
  • Patent number: D342292
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: December 14, 1993
    Assignee: Royal Co., Ltd.
    Inventor: Moriya Kino
  • Patent number: D342293
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: December 14, 1993
    Assignee: Royal Co., Ltd.
    Inventor: Moriya Kino
  • Patent number: D344991
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: March 8, 1994
    Assignee: Royal Co., Ltd.
    Inventor: Moriya Kino
  • Patent number: D346187
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: April 19, 1994
    Assignee: Royal Co., Ltd.
    Inventor: Moriya Kino
  • Patent number: D347082
    Type: Grant
    Filed: May 26, 1992
    Date of Patent: May 17, 1994
    Assignee: Modern Royal Co., Ltd.
    Inventor: Kaname Ichikawa
  • Patent number: D347083
    Type: Grant
    Filed: May 26, 1992
    Date of Patent: May 17, 1994
    Assignee: Modern Royal Co., Ltd.
    Inventor: Kaname Ichikawa
  • Patent number: D347706
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: June 7, 1994
    Assignee: Modern Royal Co., Ltd.
    Inventor: Kaname Ichikawa
  • Patent number: D347707
    Type: Grant
    Filed: May 26, 1992
    Date of Patent: June 7, 1994
    Assignee: Modern Royal Co., Ltd.
    Inventor: Kaname Ichikawa
  • Patent number: D348327
    Type: Grant
    Filed: April 26, 1993
    Date of Patent: June 28, 1994
    Assignee: Modern Royal Co., Ltd.
    Inventor: Kaname Ichikawa
  • Patent number: D350166
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: August 30, 1994
    Assignee: Royal Co., Ltd.
    Inventor: Moriya Kino
  • Patent number: D355938
    Type: Grant
    Filed: December 29, 1993
    Date of Patent: February 28, 1995
    Assignee: Royal Co., Ltd.
    Inventor: Moriya Kino
  • Patent number: D356173
    Type: Grant
    Filed: April 16, 1993
    Date of Patent: March 7, 1995
    Assignee: Modern Royal Co., Ltd.
    Inventor: Kaname Ichikawa
  • Patent number: D356349
    Type: Grant
    Filed: October 26, 1993
    Date of Patent: March 14, 1995
    Assignee: Royal Co., Ltd.
    Inventor: Moriya Kino
  • Patent number: D359081
    Type: Grant
    Filed: January 27, 1994
    Date of Patent: June 6, 1995
    Assignee: Royal Co., Ltd.
    Inventor: Moriya Kino