Patents by Inventor Naoto Saitou

Naoto Saitou 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).

  • Automatic analyzing apparatus
    Patent number: 11959932
    Abstract: According to one embodiment, an automatic analyzing apparatus includes a probe and a liquid level detector. The liquid level detector is electrically connected to the probe and detects contact between the probe and a liquid surface, wherein the liquid level detector comprises an adjuster configured to adjust electrostatic capacitance of one or more capacitors for circuitry for use in liquid level detection.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: April 16, 2024
    Assignee: Canon Medical Systems Corporation
    Inventors: Mitsuo Okamoto, Naoto Sato, Reiko Maruyama, Masaaki Saitou, Atsushi Hosooka, Tamaki Honda
  • Bipolar transistor and semiconductor integrated circuit device
    Patent number: 6137147
    Abstract: A bipolar transistor has a semiconductor region of a first conductivity type. A collector region of the first conductivity type and a base region of a second conductivity type are disposed within the semiconductor region. An emitter region of the first conductivity type and a base electrode region of the second conductivity type are disposed within a surface of the base region in self-alignment arrangement. At least one polycrystalline silicon layer is disposed on the entire surface of the base region except for portions of the surface of the base region overlying the emitter region and the base electrode region.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: October 24, 2000
    Assignee: Seiko Instruments Inc.
    Inventor: Naoto Saitou