Patents by Inventor Akihiro Tabushi

Akihiro Tabushi 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).

  • Publication number: 20200194781
    Abstract: A secondary battery includes a positive electrode including a positive electrode core; and a positive electrode mixture layer formed on at least one of the surfaces of the positive electrode core. The positive electrode mixture layer has a first positive electrode mixture layer and a second positive electrode mixture layer formed om the surface of the first positive electrode mixture layer. The first positive electrode mixture layer contains a first positive electrode active material having a BET specific surface area of 1.6 m2/g to 2.8 m2/g, and the second positive electrode mixture layer contains a second positive electrode active material having a BET specific surface area of 0.8 m2/g to 1.3 m2/g. The thickness of the second positive electrode mixture layer is 5 ?m to 15 ?m.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 18, 2020
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Akihiro Tabushi, Kazuya Hashimoto, Yuu Takanashi