Patents by Inventor Akihiro Kobayashi

Akihiro Kobayashi 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).

  • Collision detecting switch with rectilinearly movable weight sensors
    Patent number: 3965314
    Abstract: There is provided a collision detecting system for an occupant protector comprising at least two terminals, a weight, a spring mechanism arranged between the terminals and adapted to function to change on-off state between the two terminals when an acceleration or deceleration caused by a collision exceeds a predetermined value, and biasing means for biasing the weight to contact with the spring mechanism. The collision detecting system of this invention is suited for installation on both large and small vehicles.
    Type: Grant
    Filed: October 25, 1974
    Date of Patent: June 22, 1976
    Assignee: Nippon Soken, Inc.
    Inventors: Hideaki Sasaya, Akihiro Kobayashi
  • Ionization smoke detector
    Patent number: 3935492
    Abstract: An ionization smoke detector having two ionization chambers with one of said chambers having an electrode at least partially surrounded by a conductive mesh constituting an intermediate electrode and the other of said chambers being formed between the intermediate electrode and an outer surrounding electrode of conductive mesh and a radioactive source carried by said outer electrode. The volume defined by the outer and intermediate electrodes is greater than the volume defined by the intermediate electrode.
    Type: Grant
    Filed: May 3, 1973
    Date of Patent: January 27, 1976
    Assignee: Nittan Company, Ltd.
    Inventors: Koju Sasaki, Akihiro Kobayashi
  • Ignition circuit for vehicle occupant protecting system
    Patent number: 3931527
    Abstract: There is provided an ignition circuit for a vehicle occupant protecting system whereby in case of a collision a heating element such as a filament is ignited to actuate the occupant protecting system. Switch means is connected in parallel with the heating element and another switch means is connected in series with the parallel circuit of the heating element and the first switch means, whereby when at least one of said switch means is damaged, the ignition of the filament is rendered impossible.
    Type: Grant
    Filed: July 5, 1974
    Date of Patent: January 6, 1976
    Assignee: Nippon Soken, Inc.
    Inventors: Kazuo Oishi, Hideaki Sasaya, Akihiro Kobayashi, Takashi Yamada