Patents by Inventor Tadashi Makihara

Tadashi Makihara 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).

  • Electric power tool powered by battery pack and adapter therefor
    Patent number: 9224994
    Abstract: An adapter for an electric power tool couples battery packs with the electric power tool. The adapter is provided with a voltage regulator circuit interposed between the battery packs and the electric power tool. The voltage regulator circuit regulates a supply voltage from the battery packs to the electric power tool to a level corresponding to a rated voltage of the electric power tool. The voltage regulator is capable of raising the supply voltage higher than nominal voltages of the battery packs.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: December 29, 2015
    Assignee: MAKITA CORPORATION
    Inventors: Tomoyuki Ota, Shinichi Hira, Tadashi Makihara
  • ELECTRIC POWER TOOL POWERED BY BATTERY PACK AND ADAPTER THEREFOR
    Publication number: 20130025893
    Abstract: An adapter for an electric power tool couples battery packs with the electric power tool. The adapter is provided with a voltage regulator circuit interposed between the battery packs and the electric power tool. The voltage regulator circuit regulates a supply voltage from the battery packs to the electric power tool to a level corresponding to a rated voltage of the electric power tool. The voltage regulator is capable of raising the supply voltage higher than nominal voltages of the battery packs.
    Type: Application
    Filed: March 15, 2011
    Publication date: January 31, 2013
    Applicant: MAKITA CORPORATION
    Inventors: Tomoyuki Ota, Shinichi Hira, Tadashi Makihara