Patents by Inventor Seishi Ohashi

Seishi Ohashi 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).

  • Thermo-oxidatively stable, side chain polyether functionalized polynorbornenes for microelectronic and optoelectronic devices and assemblies thereof
    Patent number: 9562124
    Abstract: The present invention relates to polynorbornene (PNB) composition embodiments that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PNBs having norbornene-type repeating units that are polyether functionalized and an additive package containing a phenolic antioxidant and a diaryl amine synergist, and the microelectronic and/or optoelectronic devices made therefrom are resistant to thermo-oxidative chain degradation of said polyether functionalization.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: February 7, 2017
    Assignees: PROMERUS, LLC, SUMITOMO BAKELITE CO., LTD.
    Inventors: Christopher Apanius, Andrew Bell, Cheryl Burns, Crystal Cyrus, Edmund Elce, Royce Groff, Sridevi Kaiti, Brian Knapp, Hendra Ng, Seishi Ohashi, Wei Zhang
  • Thermo-oxidatively Stable, Side Chain Polyether Functionalized Polynorbornenes for Microelectronic and Optoelectronic Devices and Assemblies Thereof
    Publication number: 20160319060
    Abstract: The present invention relates to polynorbornene (PNB) composition embodiments that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PNBs having norbornene-type repeating units that are polyether functionalized where such the PNBs of such compositions and the microelectronic and/or optoelectronic devices made therefrom are resistant to thermo-oxidative chain degradation of said polyether functionalization.
    Type: Application
    Filed: July 13, 2016
    Publication date: November 3, 2016
    Applicants: PROMERUS, LLC, SUMITOMO BAKELITE CO., LTD.
    Inventors: CHRISTOPHER APANIUS, ANDREW BELL, CHERYL BURNS, CRYSTAL CYRUS, EDMUND ELCE, ROYCE GROFF, SRIDEVI KAITI, BRIAN KNAPP, HENDRA NG, SEISHI OHASHI, WEI ZHANG
  • Thermo-oxidatively stable, side chain polyether functionalized polynorbornenes for microelectronic and optoelectronic devices and assemblies thereof
    Patent number: 9425404
    Abstract: The present invention relates to polynorbornene (PNB) composition embodiments that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PNBs having norbornene-type repeating units that are polyether functionalized and an additive package containing a phenolic antioxidant and a synergist, and the microelectronic and/or optoelectronic devices made therefrom are resistant to thermo-oxidative chain degradation of said polyether functionalization.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: August 23, 2016
    Assignees: PROMERUS, LLC, SUMITOMO BAKELITE CO., LTD.
    Inventors: Christopher Apanius, Andrew Bell, Cheryl Burns, Crystal Cyrus, Edmund Elce, Royce Groff, Sridevi Kaiti, Brian Knapp, Hendra Ng, Seishi Ohashi, Wei Zhang