Patents by Inventor Kiyoshi Aihara

Kiyoshi Aihara 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).

  • Fabric from impregnated polyphenylene sulfide fibers
    Patent number: 6583072
    Abstract: A nonwoven fabric is formed of polyphenylene sulfide fibers impregnated with a synthetic resin by 5 to 50 wt % based on the total weight of the nonwoven fabric, and has stiffness based on the Gurley method specified in JIS L 1096 of 3000 to 10000 mgf, and can be used as a filter medium for collecting hot dust emitted from refuse incinerators, coal boilers, metal melting furnaces, and others.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: June 24, 2003
    Assignee: Toray Industries, Inc.
    Inventors: Koji Kawakami, Kiyoshi Aihara, Takehiko Miyoshi
  • Method of processing Alaska pollack roe
    Patent number: 5453289
    Abstract: A method of processing Alaska pollack roe which comprises placing the Alaska pollack roe in a multi-perforated container and salting said roe while vibrating said container.
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: September 26, 1995
    Assignee: Maruha Corporation
    Inventors: Atsushi Wakamaeda, Shinichiro Nishimoto, Mitsuru Mishima, Kiyoshi Aihara, Masaaki Ogiwara, Shunichi Tsunematsu, Fumio Hirata
  • Method for processing Alaska pollack roe
    Patent number: 5415886
    Abstract: A method for processing Alaska pollack roe according to the present invention comprises salting the Alaska pollack roe while vibrating said roe.
    Type: Grant
    Filed: May 12, 1993
    Date of Patent: May 16, 1995
    Assignee: Maruha Corporation
    Inventors: Atsushi Wakameda, Shinichiro Nishimoto, Kiyoshi Aihara, Shunichi Tsunematsu, Fumio Hirata
  • Bulky non-woven fabric of polybutylene terephthalate continuous filaments
    Patent number: 4429002
    Abstract: Non-woven fabric comprising polybutylene terephthalate continuous filaments having a three-dimensional crimp of unfixed shape provides remarkable resiliency, flexibility, and strength. A method of manufacturing such non-woven fabric forms a blended yarn of polybutylene terephthalate continuous filaments and highly shrinkable continuous filaments having a low melting point through direct coupling with high speed take-off means, and subjecting the resultant web to a relax heat set.
    Type: Grant
    Filed: January 24, 1983
    Date of Patent: January 31, 1984
    Assignee: Toray Industries, Inc.
    Inventors: Shunsuke Fukada, Kiyoshi Aihara, Hideo Ibaragi