Patents by Inventor Tadao Ikeda

Tadao Ikeda 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).

  • NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES AND LITHIUM ION SECONDARY BATTERY
    Publication number: 20110062379
    Abstract: A negative electrode comprising (A) particles having Si dispersed in SiO, and (B) a polyamide-imide resin which contains amide and imide groups in an amide/imide ratio of 25/75 to 99/1 and has a weight average molecular weight of 10,000-200,000 is suited for nonaqueous electrolyte secondary batteries. The electrode exhibits a high 1st cycle charge/discharge efficiency and improved cycle performance while maintaining a high battery capacity and a low volume expansion.
    Type: Application
    Filed: September 13, 2010
    Publication date: March 17, 2011
    Inventors: Satoru MIYAWAKI, Yoshiyasu Yamada, Toshio Ohba, Tadao Ikeda, Kazuhiro Sunouchi
  • Polypropylene composition
    Patent number: 4634740
    Abstract: A polypropylene composition having superior clarity and good low-temperature impact resistance, said composition comprising 65 wt % to 95 wt % crystalline polypropylene and 5 wt % to 35 wt % of ethylene-propylene random copolymer containing higher than 70 wt % to 85 wt % of ethylene.
    Type: Grant
    Filed: April 8, 1985
    Date of Patent: January 6, 1987
    Assignee: Toa Nenryo Kogyo Kabushiki Kaisha
    Inventors: Yuji Fujita, Tadao Ikeda, Tokuo Makishima, deceased
  • Polyamideimide-esterimide heat resistant resin and electric insulating varnish
    Patent number: 4319006
    Abstract: A polyamideimide-esterimide heat resistant resin is made by connecting aromatic polyamideimide components having amide groups and imide groups in the main chain to polyesterimide components having ester groups and imide groups in the main chain by esterification.
    Type: Grant
    Filed: November 25, 1980
    Date of Patent: March 9, 1982
    Assignees: Dainichiseika Color & Chemicals Mfg. Co. Ltd., Ukima Colour & Chemicals Mfg. Co. Ltd.
    Inventors: Shigeru Yamada, Tadao Ikeda
  • Shiitake mushroom named ‘Chikumasshu CS-2’
    Patent number: PP33887
    Abstract: A new variety of shiitake mushroom that has a medium density, late growth according to temperature, an overall scaled cap, an average length of time from spawning to fruiting, and high yield at second and third month.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: January 18, 2022
    Assignee: CHIKUMAKASEI CO., LTD.
    Inventor: Tadao Ikeda