Patents by Inventor Tsutomu Mitsuishi

Tsutomu Mitsuishi 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).

  • Image recording apparatus
    Patent number: 5083879
    Abstract: In an image recording apparatus in which a pinch roller restrains lateral movement of image receiving paper, a skew feed roller and an edge guide are operative, by virtue of a curved portion of the paper feed path between the pinch roller and the skew roller, to position the paper laterally despite the restraint imposed by the pinch roller. The skew roller and the edge guide are disposed along a straight portion of the paper feed path.
    Type: Grant
    Filed: April 30, 1991
    Date of Patent: January 28, 1992
    Assignee: Nikon Corporation
    Inventors: Tsuyoshi Sato, Mikihito Furuya, Tsutomu Mitsuishi, Hisaki Koyama
  • Thermal transfer recording system
    Patent number: 4698646
    Abstract: A thermal transfer recording system comprising a supply cartridge including a case and an image forming sheet and an ink sheet housed in the case, taking-out means for taking out the image forming sheet and the ink sheet from the supply cartridge and print means including a thermal head for printing on the taken-out image forming sheet by the taken-out ink sheet.
    Type: Grant
    Filed: January 6, 1987
    Date of Patent: October 6, 1987
    Assignee: Nippon Kogaku K. K.
    Inventors: Tsuyoshi Satoh, Tsutomu Mitsuishi, Kenji Toyoda, Kaoru Naito, Makoto Ogawa, Hiroshi Sato
  • Zoom lens capable of macro-photography
    Patent number: 4334737
    Abstract: A zoom lens capable of macro-photography includes first and second movable lenses coupled to first and second cam rings, respectively. The first and second cam rings are operatively associated so that they rotate as a unit about the optical axis of the lens to axially move the first and second lenses for zooming, but are capable of relative axial movement with respect to one another at any point within the zooming range of the lens to move one lens relative to the other lens for macro-photography.
    Type: Grant
    Filed: May 15, 1980
    Date of Patent: June 15, 1982
    Assignee: Nippon Kogaku K.K.
    Inventors: Hideyo Nozawa, Tsutomu Mitsuishi