Patents by Inventor Natsuko Yamada

Natsuko Yamada 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).

  • BENZOBIS(THIADIAZOLE) DERIVATIVE, INK COMPRISING THE SAME, AND ORGANIC ELECTRONIC DEVICE USING THE SAME
    Publication number: 20180219160
    Abstract: An object of the present invention is to provide a benzobis(thiadiazole) derivative, which has an excellent mobility of electron (field-effect mobility) and also has an excellent stability in the atmosphere. The present invention relates to a benzobis(thiadiazole) derivative or the like, which has cyclic imide structures annelated to an aromatic ring in the molecule, represented by the following general formula (1) or (2) wherein R, A and Z represent predetermined groups.
    Type: Application
    Filed: August 10, 2015
    Publication date: August 2, 2018
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Shizuo TOKITO, Daisuke KUMAKI, Masashi MAMADA, Takashi HONMA, Yasuhiro TANAKA, Toshikazu MACHIDA, Kazuaki KAKITA, Natsuko YAMADA
  • Benzobis (thiadiazole) derivative, ink comprising same, and organic electronic device comprising same
    Patent number: 9978954
    Abstract: A benzobis(thiadiazole) derivative represented by the following general formula (1): in which R1 represents a linear or branched alkyl group, or any one of the groups of the following formula (2): in which R represents a linear or branched alkyl group; R2 represents a hydrogen atom; and R3 represents a hydrogen atom, a linear or branched alkyl group, or any one of the groups of the formula (2); with the proviso that at least one of R1 and R3 represents any one of the groups of the formula (2); and two R1 groups, two R2 groups, and two R3 groups may be the same as, or different from each other.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: May 22, 2018
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Shizuo Tokito, Daisuke Kumaki, Masashi Mamada, Kenjiro Fukuda, Yasuhiro Tanaka, Hidetaka Shima, Yasuhiro Yoneda, Harunori Fujita, Kazuaki Kakita, Youji Omata, Natsuko Yamada, Takashi Honma, Toshikazu Machida
  • BENZOBIS (THIADIAZOLE) DERIVATIVE, INK COMPRISING SAME, AND ORGANIC ELECTRONIC DEVICE COMPRISING SAME
    Publication number: 20160276598
    Abstract: A benzobis(thiadiazole) derivative represented by the following general formula (1): in which R1 represents a linear or branched alkyl group, or any one of the groups of the following formula (2): in which R represents a linear or branched alkyl group; R2 represents a hydrogen atom; and R3 represents a hydrogen atom, a linear or branched alkyl group, or any one of the groups of the formula (2); with the proviso that at least one of R1 and R3 represents any one of the groups of the formula (2); and two R1 groups, two R2 groups, and two R3 groups may be the same as, or different from each other.
    Type: Application
    Filed: August 29, 2014
    Publication date: September 22, 2016
    Inventors: Shizuo TOKITO, Daisuke KUMAKI, Masashi MAMADA, Kenjiro FUKUDA, Yasuhiro TANAKA, Hidetaka SHIMA, Yasuhiro YONEDA, Harunori FUJITA, Kazuaki KAKITA, Youji OMATA, Natsuko YAMADA, Takashi HONMA, Toshikazu MACHIDA
  • Picolinamide derivative and harmful organism control agent comprising said picolinamide derivative as active component
    Patent number: 7183278
    Abstract: Disclosed are novel compounds useful for the control of harmful organisms, harmful organism control agents using the same, and processes for producing the novel compounds. The useful novel compounds according to the present invention include compounds represented by formula (1).
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: February 27, 2007
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Keiichi Imamura, Kouichi Mitomo, Natsuko Yamada, Kazumi Yamamoto, Takashi Teraoka, Osamu Sakanaka, Hiroshi Kurihara, Makoto Taniguchi