Patents by Inventor Kazuo Masuyama

Kazuo Masuyama 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).

  • Semi-submerged catamaran
    Patent number: 5694878
    Abstract: In a semi-submerged catamaran comprising at least two submerged bodies, struts mounted in a standing position on respective submerged bodies and a hull part supported by the struts above the water surface, motion preventing fins are fixed in a submerged part on the bow side and/or in a submerged part on the stern side of the catamaran.
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: December 9, 1997
    Assignee: Mitsui Engineering & Shipbuilding Co., Ltd.
    Inventor: Kazuo Masuyama
  • Microscope optical assembly
    Patent number: D242916
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: January 4, 1977
    Assignee: Konan Camera Research Institute
    Inventors: Kazuo Masuyama, Kuniomi Abe, Yuji Maekawa
  • Microscope optical assembly
    Patent number: D242917
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: January 4, 1977
    Assignee: Konan Camera Research Institute
    Inventors: Kazuo Masuyama, Kuniomi Abe, Yuji Maekawa
  • Photographic camera
    Patent number: D244851
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: June 28, 1977
    Assignee: Sunpack Corporation
    Inventor: Kazuo Masuyama
  • Microscope optical assembly
    Patent number: D245912
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: September 27, 1977
    Assignee: Konan Camera Research Institute
    Inventors: Kazuo Masuyama, Kuniomi Abe, Yuji Maekawa