Patents by Inventor Noboru Mimura

Noboru Mimura 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).

  • Method of producing mesocarbon microbeads and method for quality control of sintered mesocarbon products
    Patent number: 5395562
    Abstract: A sintered product based on mesocarbon microbeads is prepared by pressure-molding mesocarbon microbeads (MCMB) having an MSP (maximum solubility percent) value of 30 to 38% by volume whereby a body is formed, and sintering the body, wherein MSP represents the percentage volume reduction (volume %) determined by heating a given amount of an MCMB to 350.degree. C. under a pressure load of 10 kgf/cm.sup.2. The quality of a molded MCMB sintered product can be controlled by determining the percentage volume reduction (MSP) of an MCMB by heating it under a given pressure load in a predetermined space using the MSP value so found as an indicator.
    Type: Grant
    Filed: April 2, 1993
    Date of Patent: March 7, 1995
    Assignee: Osaka Gas Company, Ltd.
    Inventors: Yoshiteru Nakagawa, Takayuki Azuma, Hideki Tamamura, Tadashi Murakami, Norio Murakami, Yasuo Minamitani, Noboru Mimura