Patents by Inventor Kaname Ishida

Kaname Ishida 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: 3959162
    Abstract: An insulating oil for use in electrical devices, comprising a mixture of trixylenylphosphate and 10% to 40% by volume of insulating oil having a viscosity of 5 cp to 15 cp at 30.degree.C and selected from the group consisting of mineral oil, alkylbenzene, alkylnaphthalene, diallylalkane, 2-diphenylmethylether, 2-diphenyl-isopropylether, paraffin hydrocarbon oil and naphthene hydrocarbon oil.
    Type: Grant
    Filed: August 2, 1974
    Date of Patent: May 25, 1976
    Assignee: Nissin Electric Co., Ltd.
    Inventors: Mineaki Nishimatsu, Sadayoshi Mukai, Kaname Ishida
  • Patent number: 3937664
    Abstract: An oil-filled electrical device comprising a casing, an electrical device element in the casing and an insulating oil consisting essentially of one or more 2-diphenylalkylether having the structural formula of ##SPC1##Wherein R is the alkyl group expressed as C.sub.n H.sub.2n.sub.+1 wherein R is 1.ltoreq.n423.8.
    Type: Grant
    Filed: March 25, 1974
    Date of Patent: February 10, 1976
    Assignees: Nissin Electric Co., Ltd., Sugai Chemical Industry Co., Ltd.
    Inventors: Fumio Tanimoto, Mineaki Nishimatsu, Sadayoshi Mukai, Kaname Ishida