Patents by Inventor Seikichi KITABATAKE

Seikichi KITABATAKE 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).

  • Metalworking oil composition and metalworking method
    Patent number: 11214751
    Abstract: Provided are: a metalworking oil composition having excellent workability and rust inhibiting performance, which is prepared by blending (A) at least one carboxylate selected from a polyhydric alcohol ester of a monocarboxylic acid and a monohydric alcohol ester of a polycarboxylic acid, (B) a phosphorus-containing compound, and (C) a rust inhibitor, wherein the monocarboxylic acid has 9 or more and 21 or less carbon atoms, and the content of the carboxylate is 0.6% by mass or more based on the total amount of the composition; and a metalworking method using the composition.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: January 4, 2022
    Assignees: IDEMITSU KOSAN CO., LTD., NIPPON STEEL CORPORATION
    Inventors: Naoki Nagase, Hideo Sugii, Keiji Noma, Seikichi Kitabatake, Isao Noguchi, Takeshi Kubota, Shuichi Yamazaki, Eisuke Minematsu
  • METALWORKING OIL COMPOSITION AND METALWORKING METHOD
    Publication number: 20190225908
    Abstract: Provided are: a metalworking oil composition having excellent workability and rust inhibiting performance, which is prepared by blending (A) at least one carboxylate selected from a polyhydric alcohol ester of a monocarboxylic acid and a monohydric alcohol ester of a polycarboxylic acid, (B) a phosphorus-containing compound, and (C) a rust inhibitor, wherein the monocarboxylic acid has 9 or more and 21 or less carbon atoms, and the content of the carboxylate is 0.6% by mass or more based on the total amount of the composition; and a metalworking method using the composition.
    Type: Application
    Filed: August 24, 2017
    Publication date: July 25, 2019
    Applicants: IDEMITSU KOSAN CO., LTD., HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD., NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Naoki NAGASE, Hideo SUGII, Keiji NOMA, Seikichi KITABATAKE, Isao NOGUCHI, Takeshi KUBOTA, Shuichi YAMAZAKI, Eisuke MINEMATSU