Patents by Inventor Ayako Nishioka

Ayako Nishioka 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).

  • Polymerizable composition and use thereof
    Patent number: 6878492
    Abstract: The present invention provides a solid polymer electrolyte; a polymerizable composition having low viscosity and excellent processability for obtaining the solid polymer electrolyte; and a polymerizable compound having low viscosity, and good polymerizability and stability for use in the polymerizable composition. The present invention also provides primary and secondary batteries capable of working with high capacity and current; an electric double-layer capacitor ensuring high output voltage, large takeout current, and good processability; and an electrochromic device favored with high response speed. Each thereof use the solid polymer electrolyte of the present invention and are ensured with long life, excellent safety free of liquid leakage, high reliability and production at a low cost.
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: April 12, 2005
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Masataka Takeuchi, Shuichi Naijo, Ayako Nishioka
  • Polymerizable composition and use thereof
    Publication number: 20040218346
    Abstract: The present invention provides a solid polymer electrolyte; a polymerizable composition having low viscosity and excellent processability for obtaining the solid polymer electrolyte; and a polymerizable compound having low viscosity, and good polymerizability and stability for use in the polymerizable composition. The present invention also provides primary and secondary batteries capable of working with high capacity and current; an electric double-layer capacitor ensuring high output voltage, large takeout current, and good processability; and an electrochromic device favored with high response speed. Each thereof use the solid polymer electrolyte of the present invention and are ensured with long life, excellent safety free of liquid leakage, high reliability and production at a low cost.
    Type: Application
    Filed: June 3, 2004
    Publication date: November 4, 2004
    Applicant: SHOWA DENKO K.K.
    Inventors: Masataka Takeuchi, Shuichi Naijo, Ayako Nishioka
  • (Meth)acryloyl-group-containing carbamoyl halides and production process therefor
    Patent number: 6646156
    Abstract: The present invention provides a (meth)acryloyl-group-containing carbamoyl halide represented by the following formula (1): where R1 represents a hydrogen atom or a methyl group; R2 represents a linear or branched C1-C10 alkylene group; R3 represents a C1-C5 alkyl group; and X represents a halogen atom. The present invention also provides a production process for the halide.
    Type: Grant
    Filed: April 17, 2001
    Date of Patent: November 11, 2003
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Ayako Nishioka, Kaneo Nozawa
  • Polymerizable composition and use thereof
    Publication number: 20020018938
    Abstract: The present invention provides a solid polymer electrolyte; a polymerizable composition having low viscosity and excellent processability for obtaining the solid polymer electrolyte; and a polymerizable compound having low viscosity, and good polymerizability and stability for use in the polymerizable composition. The present invention also provides primary and secondary batteries capable of working with high capacity and current; an electric double-layer capacitor ensuring high output voltage, large takeout current, and good processability; and an electrochromic device favored with high response speed. Each thereof use the solid polymer electrolyte of the present invention and are ensured with long life, excellent safety free of liquid leakage, high reliability and production at a low cost.
    Type: Application
    Filed: July 10, 2001
    Publication date: February 14, 2002
    Applicant: SHOWA DENKO KABUSHIKI KAISHA
    Inventors: Masataka Takeuchi, Shuichi Naijo, Ayako Nishioka
  • (Meth)acryloyl-group-containing carbamoyl halides and producion process therefor
    Publication number: 20020013492
    Abstract: The present invention provides a (meth)acryloyl-group-containing carbamoyl halide represented by the following formula (1): 1
    Type: Application
    Filed: April 17, 2001
    Publication date: January 31, 2002
    Inventors: Ayako Nishioka, Kaneo Nozawa
  • Polymerizable compound, solid polymer electrolyte using the same and use thereof
    Patent number: 6190805
    Abstract: The polymer compound of the present invention which contains a poly- or oligo-carbonate group and is preferably obtained by utilizing a polymerization reaction using a polymerizable functional group represented by formula (2) and/or formula (3) below: exhibits good strength even when it is formed into a thin film and has high ion conductivity and excellent workability. By the use of this polymer compound, solid polymer electrolyte, battery and/or electric double layer capacitor having high-temperature characteristics and large current characteristics are provided.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: February 20, 2001
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Masataka Takeuchi, Shuichi Naijo, Takashi Ohkubo, Ayako Nishioka, Masaaki Nishioka
  • Optically active 4-mercaptocinnamic acid derivatives, preparation method thereof and use thereof
    Patent number: 5308536
    Abstract: An optically active 4-mercaptocinnamic acid derivative represented by general formula (1) ##STR1## wherein R.sup.1 represents an alkyl group, an alkoxy group alkylthio group having 6 to 14 carbon atoms; X is H or F; Y is H or CH.sub.3 ; n is 0 or 1; Z is CH.sub.3 or CF.sub.3 ; and R.sup.2 represents a C.sub.2-8 alkyl group, preparation method, bistable or tristable liquid crystal composition containing at least one such derivative, and a liquid crystal display device including such a liquid crystal composition.The compound of general formula (1) decreases liquid crystal temperature range and broadens it, and enables realizing a bistable or tristable chiral smectic phase. The compound can be used alone or as blended with other liquid crystals having a smectic phase or ferroelectric liquid crystals as a material for liquid crystal devices.
    Type: Grant
    Filed: July 12, 1993
    Date of Patent: May 3, 1994
    Assignee: Showa Denko K.K.
    Inventors: Shuichi Naijoh, Ayako Nishioka, Chozo Inoue