Patents by Inventor Norihiko Hirano

Norihiko Hirano 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).

  • Concrete products for promotion of afforestation
    Patent number: 6656579
    Abstract: A concrete product for promotion of afforestation, to be used in an environment where a sufficient amount of water for accelerating germination of seeds is supplied. Carbon fibers are disposed on the outer surface of a concrete body. The carbon fibers are made of filaments having a strand form, non-woven fabric form, woven fabric form, knitted form, or a combination thereof.
    Type: Grant
    Filed: February 10, 2000
    Date of Patent: December 2, 2003
    Inventors: Akira Kojima, Norihiko Hirano, Shigeru Furukawa