Patents by Inventor Hiroyuki Yamanaka

Hiroyuki Yamanaka 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).

  • Process for the preparation of (e)-3-(1-propenyl)isoxazoline
    Patent number: 6541642
    Abstract: A process for the preparation of (E)-3-(1-propenyl)-2-isoxazoline, characterized by reacting crotonaldehyde with hydroxylamine to form an oxime, and then converting the oxime into a nitrile oxide while reacting the nitrile oxide with ethylene.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: April 1, 2003
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Tomio Yagihara, Michinori Takebayashi, Hiroyuki Yamanaka
  • Bicycloheptene derivatives and processes for the preparation of the same
    Patent number: 6420612
    Abstract: Bicycloheptene compounds represented by general formula (1) and being useful as intermediates for the production of agricultural chemicals or drugs (wherein X is hydroxycarbonyl, hydroxymethyl, halogenomethyl, nitromethyl, or methylthiomethyl); and a process for the preparation of compounds of general formula (1), characterized by reacting 5,5-dimethoxy-1,2,3,4-tetrachlorocyclopentadiene with a compound represented by general formula (2) (wherein X is as defined above)
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: July 16, 2002
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Tomio Yagihara, Hiroyuki Yamanaka
  • Process for producing benzamidoximes
    Patent number: 6211232
    Abstract: A process for producing benzamidoximes represented by general formula (II), which are useful as intermediates of pesticides and drugs, at a stable and high yield by reacting benzonitriles represented by general formula (I) with hydroxylamine in the presence of a chelating agent wherein X represents halogeno, C1-5alkyl, C1-3 alkoxy, C1-3 alkylthio, hydroxy, mercapto, amino, nitro or C1-5haloalkyl; and n is 0 or an integer of from 1 to 5.
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: April 3, 2001
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Hiroyuki Yamanaka, Shigeru Kojima, Isamu Kasahara
  • Liquid crystal display device
    Patent number: 5781264
    Abstract: A liquid crystal display device comprising a multilayer printed wiring board having an insulation layer of glass fiber woven fabric impregnated with a resin and having a coefficient of thermal expansion of 15 ppm/.degree.C. or less, which is provided by a glass yarn of which the glass fiber woven fabric is formed having a coefficient of thermal expansion of 4 ppm/.degree.C. or less and a modulus of elasticity of 7000 kg/mm.sup.2 or more or alternatively provided by the resin with which the glass fiber woven fabric is impregnated having a modulus of elasticity of 200 kg/mm.sup.2 or less and the glass yarn having a coefficient of thermal expansion of 6 ppm/.degree.C. or less and a modulus of elasticity of 7000 Kg/mm.sup.2 or more.
    Type: Grant
    Filed: March 21, 1996
    Date of Patent: July 14, 1998
    Assignee: Shin-Kobe Electric Machinery Co., Ltd.
    Inventors: Masayuki Noda, Yutaka Yamaguchi, Minoru Yonekura, Hiroyuki Yamanaka
  • Laminate, a glass fiber woven fabric and a printed wiring board
    Patent number: 5593767
    Abstract: A laminate comprising glass fiber woven fabrics impregnated with thermo-setting resin and superposed one on another while heated and pressed and said glass fiber woven fabrics having warps and wefts which are of components different from each other and of coefficients of thermal expansion different from each other.
    Type: Grant
    Filed: April 17, 1996
    Date of Patent: January 14, 1997
    Assignee: Shin-Kobe Electric Machinery Co., Ltd.
    Inventors: Masayuki Noda, Minoru Yonekura, Hiroyuki Yamanaka