Patents by Inventor Junichi Iwasawa

Junichi Iwasawa 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).

  • Battery pack for video lighting apparatus
    Patent number: 5434018
    Abstract: A lighting apparatus is comprised of an illumination unit arranged so as to project from a light apparatus body by a predetermined distance, a spring for spring-biasing the illumination unit in the direction in which the illumination unit is projected from the light apparatus body, a power switch for the illumination unit which is switched in accordance with a movement of the illumination unit, an engaging portion for engaging the illumination unit at the position close to the light apparatus body, and a releasing portion for releasing the engaging portion, wherein the lighting apparatus can be energized only when the illumination unit is projected from the lighting apparatus body. Also, an electrode apparatus attached to power source equipments such as a battery pack or the like is comprised of an electrode cover for shielding an electrode portion, wherein the electrode cover can be opened by a projected electrode portion of the equipments to which the power source equipment is attached.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: July 18, 1995
    Assignees: Sony Corporation, Asahi Research Corporation
    Inventors: Yuu Sasaki, Junichi Iwasawa, Masahiro Yamada
  • Video camera modular accessory apparatus
    Patent number: 5189520
    Abstract: An adapter pack is constructed so that it can be connected to a video camera via the site via which the battery pack is normally connected. The adapter pack is itself provided with a mounting site on which the battery pack can be connected. This construction allows the adapter pack to be operatively "sandwiched" between the battery pack and the camera. The adapter pack is arranged to permit the power from the battery pack to be supplied both to its own circuitry and therethrough to the camera.
    Type: Grant
    Filed: February 25, 1991
    Date of Patent: February 23, 1993
    Assignee: Sony Corporation
    Inventors: Yoshisada Okayasu, Toshiyuki Yamauchi, Akinari Mori, Naoki Kamaya, Naoki Okayama, Takanori Maruichi, Junichi Iwasawa, Yukio Yamada, Renjiro Okano
  • Flyback transformer having terminal pins for connection to printed circuit boards
    Patent number: 4246636
    Abstract: A flyback transformer which has a coil bobbin provided with a low voltage coil and high voltage coil and a plurality of terminal pins to which the lead wires of these coils are to be connected and attached to the leg of the core, a hollow cylindrical housing which houses the coil bobbin and a housing cap provided with a through hole into which the leg of a core is inserted and contains a rectifier circuit which rectifies high voltage generated by the high voltage coil, wherein the terminal pins are projected from one end of the housing and the leg of the core is inserted into it and the housing cap is mounted on the other end of the housing and a space formed between the housing and the housing cap is filled with an insulating resin.
    Type: Grant
    Filed: September 27, 1978
    Date of Patent: January 20, 1981
    Assignee: Denki Onkyo Co., Ltd.
    Inventors: Junichiro Kawamura, Junichi Iwasawa