Patents by Inventor Kenjiro Maruyama

Kenjiro Maruyama 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).

  • Flexible matting
    Patent number: 4068339
    Abstract: A flexible matting for use at an entrance porch, corridor, veranda, pool-side, interior floor of automobiles, etc. This matting consists of a base on which tread bars and rows of ridges bearing piles are arranged in a definite direction with appropriate spacings between them so that the mud adhered to shoes can be removed by the piles and collected in the grooves formed between the ridges. Thus, the removal of mud from the present matting is very easy as compared with a conventional one.
    Type: Grant
    Filed: December 4, 1975
    Date of Patent: January 17, 1978
    Assignee: Sumitomo Bakelite Company Limited
    Inventors: Kenjiro Maruyama, Tsuyoshi Miki, Yoshiyuki Nishi, Masato Takao