Patents by Inventor Youji Omata

Youji Omata 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).

  • 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
  • Patent number: 9868701
    Abstract: A method for producing a nitrogen-containing pentafluorosulfanylbenzene compound of formula (2a) or (2b): (wherein R1 a hydrogen atom or a hydrocarbon group; Z is an aryl group linked to a carbonyl group; Y is a group of formula (Y1), (Y2), (Y3), or (Y4); R2 is a hydrogen atom or a hydrocarbon group) the method comprising reacting a halogeno-pentafluorosulfanylbenzene compound of formula (1) with a nitrogenous nucleophile: (wherein X is a halogen atom; n is an integer of 1 to 5; R1 is as defined above).
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: January 16, 2018
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Hidetaka Shima, Youji Omata
  • Publication number: 20170349545
    Abstract: A method for producing a nitrogen-containing pentafluorosulfanylbenzene compound of formula (2a) or (2b): (wherein R1 a hydrogen atom or a hydrocarbon group; Z is an aryl group linked to a carbonyl group; Y is a group of formula (Y1), (Y2), (Y3), or (Y4); R2 is a hydrogen atom or a hydrocarbon group) the method comprising reacting a halogeno-pentafluorosulfanylbenzene compound of formula (1) with a nitrogenous nucleophile: (wherein X is a halogen atom; n is an integer of 1 to 5; R1 is as defined above).
    Type: Application
    Filed: December 25, 2015
    Publication date: December 7, 2017
    Inventors: Hidetaka SHIMA, Youji OMATA
  • 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
  • Patent number: 9290516
    Abstract: A benzobis(thiadiazole) derivative represented by the formula (1): in which R represents a group containing at least one fluorine atom (with the proviso that fluorine atom (F) and trifluoromethyl group (—CF3) are excluded), and m represents an integer of from 1 to 10.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: March 22, 2016
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Shizuo Tokito, Daisuke Kumaki, Hidetaka Shima, Hiroyuki Oda, Yasuhiro Tanaka, Kazuaki Kakita, Toshikazu Machida, Yasuhiro Yoneda, Youji Omata, Tetsuro Shimano
  • Publication number: 20150059853
    Abstract: A benzobis(thiadiazole) derivative represented by the formula (1): in which R represents a group containing at least one fluorine atom (with the proviso that fluorine atom (F) and trifluoromethyl group (—CF3) are excluded), and m represents an integer of from 1 to 10.
    Type: Application
    Filed: March 15, 2013
    Publication date: March 5, 2015
    Inventors: Shizuo Tokito, Daisuke Kumaki, Hidetaka Shima, Hiroyuki Oda, Yasuhiro Tanaka, Kazuaki Kakita, Toshikazu Machida, Yasuhiro Yoneda, Youji Omata, Tetsuro Shimano