Patents by Inventor Koichi Tomobe

Koichi Tomobe 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: 6198334
    Abstract: In a CMOS noise eliminating circuit, a plurality of PMOS transistors or NMOS transistors are connected in series so as to cause of switching speeds or switching timings of the PMOS transistors or the NMOS transistors, which are connected in series, to differ from each other, thereby improving the noise-resistant performance of a semiconductor integrated circuit.
    Type: Grant
    Filed: April 24, 1998
    Date of Patent: March 6, 2001
    Assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd., Hitachi Haramachi Electronics Co., Ltd.
    Inventors: Koichi Tomobe, Masaru Sugai, Hiroyuki Kida, Masahiro Tsuchiya, Yuji Matsushita, Hideto Suzuki