Patents by Inventor Michio Yoshizawa

Michio Yoshizawa 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).

  • Discharge electrode having a thin wire core and surface coating of amorphous alloy for a discharger
    Patent number: 5087856
    Abstract: A discharge electrode for a charger has a thin wire or core made of stainless steel or electrolytically polished tungsten, and a coating provided on the thin line. To form the coating, amorphous alloy containing tantalum, niobium, zirconium, titanium or similar element belonging to the same group on the periodic table is deposited on the thin wire by sputtering, CVD (Chemical Vapor Deposition) or similar technology. The content of tantalum in the amorphous alloy is selected to be 10 at % to 70 at %.
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: February 11, 1992
    Assignees: Ricoh Company, Ltd., Mitsui Engineering & Shipbuilding Co., Ltd.
    Inventors: Michio Yoshizawa, Tsunebumi Matsunaga, Makoto Ebata, Yasuo Oyama