Patents by Inventor Tomoki Hiruta

Tomoki Hiruta 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).

  • PROCESS FOR PRODUCING LEAD-ACID BATTERY, AND JIG FOR PRODUCING LEAD-ACID BATTERY
    Publication number: 20040079738
    Abstract: A process for producing a lead-acid battery, in which a lead bushing 1 cast in a lid b of an assembled lead-acid battery A and a pole 2 inserted through an insertion hole 3 in the lead bushing 1 are welded together by applying a laser beam 4b thereto. At the time of the laser welding, as desired, a jig 7 is so placed around the lead bushing 1 as to surround it and the laser welding is carried out.
    Type: Application
    Filed: October 23, 2003
    Publication date: April 29, 2004
    Applicant: FURUKAWA BATTERY CO., LTD.
    Inventors: Hikaru Sakamoto, Tomoki Hiruta, Toshikazu Suzuki, Takeyuki Matsumoto, Hiroyuki Iizuka, Koichi Hoshino