Patents by Inventor Masakatsu Shinto

Masakatsu Shinto 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).

  • Process for producing a precursor fiber bundle and a carbon fiber bundle
    Patent number: 6635199
    Abstract: A separable tow of elongated polymeric filaments comprises a plurality of distinct sub-tows lightly and individually and separably joined, as by light crimping together along their edges or, if uncrimped, joined by presence of moisture, and capable of being packed into a container and later removed and separated. The filaments are preferably acrylic and have a total fineness of about 300,00-1,500,000 denier and the sub-tows each of which has a total fineness of about 50,000-250,000 denier, with a filament fineness of about 1-2 denier, and each sub-tow has a degree of entanglement of about 10-40 m−1 as measured by the hook drop test. The separable tow is made of a plurality of sub-tows, after separately drawing the sub-tows and subsequently removably joining the sub-tows into a single tow.
    Type: Grant
    Filed: June 18, 2001
    Date of Patent: October 21, 2003
    Assignee: Toray Industries, Inc.
    Inventors: Shuichi Yamanaka, Masakatsu Shinto, Haruki Morikawa, Toshiyuki Miyoshi, Keizo Ono, Makoto Endo, Jun Yamazaki
  • Precursor fiber bundle for production of a carbon fiber bundle, a process for producing the precursor fiber bundle, a carbon fiber bundle, and a process for producing the carbon fiber bundle
    Publication number: 20010049016
    Abstract: A separable tow of elongated polymeric filaments comprises a plurality of distinct sub-tows lightly and individually and separably joined, as by light crimping together along their edges or, if uncrimped, joined by presence of moisture, and capable of being packed into a container and later removed and separated. The filaments are preferably acrylic and have a total fineness of about 300,00-1,500,000 denier and the sub-tows each of which has a total fineness of about 50,000-250,000 denier, with a filament fineness of about 1-2 denier, and each sub-tow has a degree of entanglement of about 10-40 m−1 as measured by the hook drop test.
    Type: Application
    Filed: June 18, 2001
    Publication date: December 6, 2001
    Applicant: Toray Industries, Inc.
    Inventors: Shuichi Yamanaka, Masakatsu Shinto, Haruki Morikawa, Toshiyuki Miyoshi, Keizo Ono, Makoto Endo, Jun Yamazaki
  • Precursor fiber bundle for production of a carbon fiber bundle, a process for producing the precursor fiber bundle, a carbon fiber bundle, and a process for producing the carbon fiber bundle
    Patent number: 6294252
    Abstract: A separable tow of elongated polymeric filaments comprises a plurality of distinct sub-tows lightly and individually and separably joined, as by light crimping together along their edges or, if uncrimped, joined by presence of moisture, and capable of being packed into a container and later removed and separated. The filaments are preferably acrylic and have a total fineness of about 300,00-1,500,000 denier and the sub-tows each of which has a total fineness of about 50,000-250,000 denier, with a filament fineness of about 1-2 denier, and each sub-tow has a degree of entanglement of about 10-40 m−1 as measured by the hook drop test. The separable tow is made of a plurality of sub-tows, after separately drawing the sub-tows and subsequently removably joining the sub-tows into a single tow.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: September 25, 2001
    Assignee: Toray Industries, Inc.
    Inventors: Shuichi Yamanaka, Masakatsu Shinto, Haruki Morikawa, Toshiyuki Miyoshi, Keizo Ono, Makoto Endo, Jun Yamazaki