Patents by Inventor Hiroshi Sakakura

Hiroshi Sakakura 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).

  • Biaxially stretched polyamide resin film and production method thereof
    Patent number: 9168695
    Abstract: Disclosed is a biaxially stretched polyamide resin film which is a biaxially stretched film having a layer of a polyamide resin with caproamide as a repeating unit thereof and has an amount of the caprolactam monomer extracted from the biaxially stretched polyamide resin film of 0.1% by mass or less, and also disclosed is a packaging material including the biaxially stretched polyamide resin film.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: October 27, 2015
    Assignee: UNITIKA LTD.
    Inventors: Atsuko Noda, Kiwamu Yuki, Nobuhiro Tanaka, Chiemi Nishitani, Hiroshi Sakakura
  • ANTI-STATIC FILM
    Publication number: 20150259545
    Abstract: Disclosed is an anti-static film including an anti-static layer on at least one surface of a resin film, wherein the anti-static layer includes an anti-static component-containing polymer (A), an alkylurea derivative (B) and a curing agent (C). The surface specific resistivity of the anti-static film at 23° C. and 50% RH is 1.0×1011 ?/? or less.
    Type: Application
    Filed: October 11, 2013
    Publication date: September 17, 2015
    Applicant: UNITIKA LTD.
    Inventor: Hiroshi Sakakura
  • BIAXIALLY STRETCHED POLYAMIDE RESIN FILM AND PRODUCTION METHOD THEREOF
    Publication number: 20100080985
    Abstract: Disclosed is a biaxially stretched polyamide resin film which is a biaxially stretched film having a layer of a polyamide resin with caproamide as a repeating unit thereof and has an amount of the caprolactam monomer extracted from the biaxially stretched polyamide resin film of 0.1% by mass or less, and also disclosed is a packaging material including the biaxially stretched polyamide resin film.
    Type: Application
    Filed: December 17, 2007
    Publication date: April 1, 2010
    Inventors: Atsuko Noda, Kiwamu Yuki, Nobuhiro Tanaka, Chiemi Nishitani, Hiroshi Sakakura
  • Electrical connector and method of making the same
    Patent number: 6517386
    Abstract: A method of making an electrical connector comprises assembling a frame mold (30) having front, rear, and bottom openings, a front mold (40) attached to the frame mold (30) from front and having a channel (43) for receiving the flexible section (21) and a portion of the intermediate section (23) of a terminal corresponding to the flexible section (21), a rear mold (50) attached to the frame mold (30) from rear and having a comb section (52) entering between the intermediate section (23) and the flexible section (21), and a bottom mold (60) attached to the frame mold (30) from below and having an upper support face (62A) for supporting the intermediate section (21) of the terminal.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: February 11, 2003
    Assignee: Hirose Electric Co., Ltd.
    Inventors: Hiroshi Sakakura, Takeshi Sumiyoshi, Kenichi Hirokawa, Takehiro Kameya
  • Electrical connector and method of making the same
    Publication number: 20010049233
    Abstract: A method of making an electrical connector comprises assembling a frame mold (30) having front, rear, and bottom openings, a front mold (40) attached to the frame mold (30) from front and having a channel (43) for receiving the flexible section (21) and a portion of the intermediate section (23) of a terminal corresponding to the flexible section (21), a rear mold (50) attached to the frame mold (30) from rear and having a comb section (52) entering between the intermediate section (23) and the flexible section (21), and a bottom mold (60) attached to the frame mold (30) from below and having an upper support face (62A) for supporting the intermediate section (21) of the terminal.
    Type: Application
    Filed: June 1, 2001
    Publication date: December 6, 2001
    Inventors: Hiroshi Sakakura, Takeshi Sumiyoshi, Kenichi Hirokawa, Takehiro Kameya