Patents by Inventor Kazufusa ONODERA

Kazufusa ONODERA 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).

  • Publication number: 20210024782
    Abstract: A protective film 10 of the present invention includes a base material layer and a pressure sensitive adhesive layer, and is used by being attached to a resin substrate 21 at the time of performing heat bending on the resin substrate 21. The pressure sensitive adhesive layer contains a polyolefin having a melting point of lower than 125° C. The base material layer has a first layer which contains a polyolefin having a melting point of 150° C. or higher, and a second layer which contains an adhesive resin. In a case of heating the protective film 100 having such a configuration, in a state of being interposed between two attaching substrates which are formed of polycarbonate, at 145° C. for 30 minutes, peeling off one attaching substrate on the side of the pressure sensitive adhesive layer at 25° C., and then viewing a surface of the one attaching substrate in a plan view, a residual ratio of an area where the pressure sensitive adhesive layer remains is 5% or less.
    Type: Application
    Filed: March 20, 2019
    Publication date: January 28, 2021
    Applicant: SUMITOMO BAKELIATE CO., LATD.
    Inventors: Kazufusa ONODERA, Hironari INABA
  • Publication number: 20200385612
    Abstract: A protective film 10 of the present invention is used by being attached to a resin substrate 21 at the time of performing heat bending on the resin substrate 21 while heating the resin substrate 21. The protective film 10 includes a base material layer and a pressure sensitive adhesive layer which is positioned between the base material layer and the resin substrate 21 and is adhered to the resin substrate 21. The base material layer is formed of a laminate having a first layer which is positioned on the opposite side of the pressure sensitive adhesive layer, contains a thermoplastic resin, and has a melting point of 150° C. or higher and a second layer which is positioned on the pressure sensitive adhesive layer side, contains a thermoplastic resin, and has a melting point of lower than 120° C.
    Type: Application
    Filed: April 25, 2018
    Publication date: December 10, 2020
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventor: Kazufusa ONODERA
  • Patent number: 10836127
    Abstract: The polarized laminate of the invention includes a polarized film, which has a first surface and a second surface that is a reverse side of the first surface; a first layer provided on a side of the first surface and formed of a first resin material including a polyamide; and a second layer provided on a side of the second surface and formed of a second resin material including a polyamide. When a Barcol hardness of the polarized laminate before and after immersion of the polarized laminate in distilled water at 80° C. for 15 minutes is measured according to JIS K 7060:1995, the Barcol hardness after the immersion is from 70% to 100% with respect to the Barcol hardness before the immersion.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: November 17, 2020
    Assignee: SUMITOMO BAKELITE CO., LTD.
    Inventors: Hiroshi Oya, Kazufusa Onodera, Yohei Kamizaki
  • Publication number: 20190283349
    Abstract: The polarized laminate of the invention includes a polarized film, which has a first surface and a second surface that is a reverse side of the first surface; a first layer provided on a side of the first surface and formed of a first resin material including a polyamide; and a second layer provided on a side of the second surface and formed of a second resin material including a polyamide. When a Barcol hardness of the polarized laminate before and after immersion of the polarized laminate in distilled water at 80° C. for 15 minutes is measured according to JIS K 7060:1995, the Barcol hardness after the immersion is from 70% to 100% with respect to the Barcol hardness before the immersion.
    Type: Application
    Filed: September 26, 2017
    Publication date: September 19, 2019
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Hiroshi OYA, Kazufusa ONODERA, Yohei KAMIZAKI