Patents by Inventor Yasusi Hirano

Yasusi Hirano 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).

  • Lubricating device
    Patent number: 8701835
    Abstract: This lubricating device 1 is equipped with an oil pan 2 that stores therein lubricating oil, a micro bubble generator 4 that mixes the lubricating oil with air to produce micro bubbles and supplies the lubricating oil in the oil pan 2 with the micro bubbles, and an oil pump 3 that pressurizes the lubricating oil in the oil pan 2 to supply the micro bubble generator 4 therewith. Further, in this lubricating device 1, the micro bubble generator 4 has an air inlet portion 431 disposed inside the oil pan 2 at a predetermined position with respect to an oil surface height (oil level) of the lubricating oil in the oil pan 2.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: April 22, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Akira Murakami, Shuji Moriyama, Daisuke Tomomatsu, Daisuke Tokozakura, Masafumi Yamamoto, Keisuke Ichige, Masanori Iritani, Hiroyuki Nishizawa, Hideyuki Suzuki, Yasusi Hirano
  • LUBRICATING DEVICE
    Publication number: 20120024392
    Abstract: This lubricating device 1 is equipped with an oil pan 2 that stores therein lubricating oil, a micro bubble generator 4 that mixes the lubricating oil with air to produce micro bubbles and supplies the lubricating oil in the oil pan 2 with the micro bubbles, and an oil pump 3 that pressurizes the lubricating oil in the oil pan 2 to supply the micro bubble generator 4 therewith. Further, in this lubricating device 1, the micro bubble generator 4 has an air inlet portion 431 disposed inside the oil pan 2 at a predetermined position with respect to an oil surface height (oil level) of the lubricating oil in the oil pan 2.
    Type: Application
    Filed: March 5, 2010
    Publication date: February 2, 2012
    Inventors: Akira Murakami, Shuji Moriyama, Daisuke Tomomatsu, Daisuke Tokozakura, Masafumi Yamamoto, Keisuke Ichige, Masanori Iritani, Hiroyuki Nishizawa, Hideyuki Suzuki, Yasusi Hirano
  • Can
    Patent number: D492599
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: July 6, 2004
    Assignee: Daiwa Can Company
    Inventors: Yasusi Enoki, Yuuiti Iwasaki, Yasusi Hirano, Kazuo Furusawa