Patents by Inventor Shojiro Nakahara

Shojiro Nakahara 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).

  • Data distribution method and data distribution apparatus
    Patent number: 6212166
    Abstract: A data distribution method and apparatus have a satellite communication line (5) for transmitting data to a receiver and a ground line (10) for transmitting a data distribution request and a transmission confirmation pattern to a transmitter, a transmission confirmation designation device (11) in the transmitter for designating the transmission confirmation pattern, and a transmission confirmation processing device (12) for performing the transmission confirmation process according to a transmission confirmation method indicated by the transmitter.
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: April 3, 2001
    Assignees: D.D.Network Limited, Mitsubishi Denki Kabushiki Kaisha
    Inventors: Koji Akiyama, Kouichi Tanaka, Shojiro Nakahara
  • Baseball bat swing measuring device
    Patent number: 4583733
    Abstract: A batting practice trainer includes a laser oscillator placed in a sensor unit configured to resemble a home plate. Three beams are emitted from the sensor unit in a predetermined pattern, so that the height, speed, and angle of elevation of a swinging bat may be calculated from the passage of the bat across the beams. This is accomplished without interferring with the batters' swing or substantially modifying the bat.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: April 22, 1986
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Sho Ito, Tomoyuki Nakaguchi, Kumio Kasahara, Toshio Takei, Tsutomu Hashimoto, Shojiro Nakahara
  • Swing measuring device
    Patent number: 4577863
    Abstract: The height and inclination of a batter's swing plane are measured by a batting practice device shaped like a home plate and including a laser source and photosensors for detecting laser light reflected by the bat when swung over the plate.
    Type: Grant
    Filed: July 1, 1983
    Date of Patent: March 25, 1986
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Sho Ito, Kenji Tatsumi, Kumio Kasahara, Tomoyuki Nakaguchi, Toshio Takei, Shojiro Nakahara