Patents by Inventor Yoichiro Kamimura

Yoichiro Kamimura 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).

  • Optical glass for prism, process for the production thereof, and optical part for prism
    Publication number: 20030147157
    Abstract: An optical glass for a prism, which has high transmittance, high homogeneity and excellent thermal stability, and an optical part for a prism, which is formed of the optical glass, the optical glass being an optical glass (1) wherein the absolute value of K&Dgr;t represented by the relational expression (I), 1 K ⁢   ⁢ Δ ⁢   ⁢ t = [ ( specific ⁢   ⁢ heat × specific ⁢   ⁢ gravity ) / thermal ⁢   ⁢ conductivity ] × Young ' ⁢ s ⁢   ⁢ modulus × thermal ⁢   ⁢ expansion ⁢   ⁢ coefficient × ( 1 - Poisson ' ⁢ s ⁢   ⁢ ratio ) × photoelastic ⁢   ⁢ constant ( I )
    Type: Application
    Filed: January 30, 2003
    Publication date: August 7, 2003
    Inventors: Yoichiro Kamimura, Yoichi Hachitani, Reiko Kudo, Kazuo Tachiwana