Patents by Inventor Tomohiro Murakawa

Tomohiro Murakawa 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).

  • Oil pan construction
    Patent number: 5161642
    Abstract: An oil pan construction for an internal combustion engine having a skirt portion defining a downwardly facing opening and a blanking plate that is affixed to the skirt portion by threaded fasteners which also affix the skirt portion to the cylinder block.
    Type: Grant
    Filed: March 7, 1991
    Date of Patent: November 10, 1992
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventor: Tomohiro Murakawa