Patents by Inventor Hajime OIWA

Hajime OIWA 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).

  • Compound, light emitting material, and organic light emitting device
    Patent number: 9818955
    Abstract: The compound represented by the following general formula is useful as a light emitting material. Ar1 represents an arylene group, Ar2 and Ar3 represent an aryl group, and R1 to R8 represent a hydrogen atom or a substituent, provided that at least one of R1 to R8 represents a diarylamino group.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: November 14, 2017
    Assignee: KYULUX, INC.
    Inventors: Hironori Kaji, Hajime Suzuki, Katsuaki Suzuki, Hajime Oiwa, Atsushi Wakamiya, Tatsuya Fukushima, Furitsu Suzuki, Yasujiro Murata, Katsuyuki Shizu, Chihaya Adachi
  • COMPOUND, LIGHT EMITTING MATERIAL, AND ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20160020402
    Abstract: The compound represented by the following general formula is useful as a light emitting material. Ar1 represents an arylene group, Ar2 and Ar3 represent an aryl group, and R1 to R8 represent a hydrogen atom or a substituent, provided that at least one of R1 to R8 represents a diarylamino group.
    Type: Application
    Filed: February 28, 2014
    Publication date: January 21, 2016
    Inventors: Hironori KAJI, Hajime SUZUKI, Katsuaki SUZUKI, Hajime OIWA, Atsushi WAKAMIYA, Tatsuya FUKUSHIMA, Furitsu SUZUKI, Yasujiro MURATA, Katsuyuki SHIZU, Chihaya ADACHI