Patents by Inventor Yukio Banba

Yukio Banba 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).

  • Patent number: 4912450
    Abstract: A method for producing negative temperature coefficient thermistor units, comprising the steps of forming a pair of green sheets of insulating ceramic material, stacking the green sheets interposing therebetween in predetermined areas a layer of paste for thermistor elements; providing for each thermistor unit a coating of paste to be formed into internal electrodes; cutting the stacked sheets into individual thermistor units; co-firing the thermistor units whereby the thermistor element is enclosed in an envelope of sintered ceramic material or sandwiched between two layers of sintered ceramic material. A pair of external electrodes is then provided on each thermistor unit.
    Type: Grant
    Filed: August 25, 1988
    Date of Patent: March 27, 1990
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yasunobu Yoneda, Michihiro Murata, Harufumi Mandai, Yukio Sakabe, Yukio Banba
  • Patent number: 4786888
    Abstract: A negative temperature coefficient thermistor and a method of producing the same are disclosed. A thermistor element is placed between a pair of sheets of insulating ceramic and co-fired to be sintered into an independent thermistor unit. A pair of internal electrodes are provided on both sides of the thermistor unit and electrically connected to corresponding external electrodes.
    Type: Grant
    Filed: September 25, 1987
    Date of Patent: November 22, 1988
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yasunobu Yoneda, Michihiro Murata, Harufumi Mandai, Yukio Sakabe, Yukio Banba