Patents by Inventor Kazuyuki Iizawa

Kazuyuki Iizawa 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).

  • PROCESS FOR PRODUCING LAMINATED FILM CAPACITOR
    Publication number: 20090308532
    Abstract: The present invention relates to a method for producing a multilayered film capacitor prepared by laminating a dielectric layer and a metallic layer comprising aluminum, characterized in comprising a step of treating a capacitor element with a solution containing at least a phosphoric acid compound, especially any one of phosphoric acids, phosphates and phosphoric esters, more specifically an aluminum hydrogenphosphate, or further characterized in that the aluminum hydrogenphosphate is aluminum monohydrogenphosphate (Al2(HPO4)3) or aluminum dihydrogenphosphate (Al(H2PO4)3), or further characterized in comprising a step of heating the capacitor element after the step of treating the capacitor element with the solution containing aluminum hydrogenphosphate, moreover characterized in that the maximum temperature of the surface of the capacitor element, during the step of heating, is from 200° C. to 280° C.
    Type: Application
    Filed: December 25, 2006
    Publication date: December 17, 2009
    Applicant: RUBYCON CORPORATION
    Inventors: Nobuyuki Kinoshita, Kazuyuki Iizawa, Takenori Tezuka, Shigeya Tomimoto, Tomonao Kato