Patents by Inventor Yukio Aramomi

Yukio Aramomi 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 for producing foamed-in-mold product of aromatic polyester based resin
    Patent number: 6527993
    Abstract: The present invention provides a process for producing a molded foam article of a crystalline aromatic polyester resin. The process is characterized by heating the surface temperature of a mold for cavity-molding to the temperature within a range of from (td+35) to (Tg+57)°C. (Tg is a glass transition temperature of the crystalline aromatic polyester resin prepuffs), thereby to mold prepuffs, and cooling the surface of the mold to a temperature not lowered than Tg for at least 20 seconds.
    Type: Grant
    Filed: June 7, 2001
    Date of Patent: March 4, 2003
    Assignee: Sekisui Plastics Co., Ltd.
    Inventors: Takaaki Hirai, Minoru Fujishima, Hiroyuki Ueno, Hideyasu Matsumura, Ikuo Morioka, Yukio Aramomi, Hiroyuki Yamagata
  • Foamed styrene resin material and heat insulating material using the same for construction
    Patent number: 6034143
    Abstract: A foamed styrene resin material has a density .rho. of 0.02 to 0.008 and a melt tension of the styrene resin of 5 to 40 gf. The relation between an average cell diameter d (.mu.m) and the density .rho. is given by the expression: ##EQU1## and a relation between a thermal conductivity .lambda. (kcal/m.multidot.h.multidot..degree. C.) and the density .rho. given by the expression: ##EQU2## Accordingly, the foamed styrene resin material has a low thermal conductivity and excellent insulating property in spite of a low density (high expansion ratio foam) thereof.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: March 7, 2000
    Assignee: Sekisui Plastics Co., Ltd.
    Inventors: Ikuo Morioka, Yukio Aramomi, Mutsuhiko Shimada