Patents by Inventor Narihito Yamamoto

Narihito Yamamoto 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 and fat composition for lubricating food processing machines and use thereof
    Patent number: 5346724
    Abstract: An oil and fat composition for food processing machines comprises polyglycerides of medium chain saturated fatty acids and/or mixed polyglycerides of medium chain saturated fatty acids and long chain saturated fatty acids and, optionally, triglycerides of medium chain saturated fatty acids. The composition is safe for food sanitation, has excellent oxidation stability and lubricating property and a suitable degree of viscosity and cloud point as well as a high viscosity and a low temperature fluidity which cannot be attained by MCT and is favorably utilized as lubricating oil for food processing machines and tools and agricultural machines and tools.
    Type: Grant
    Filed: January 5, 1993
    Date of Patent: September 13, 1994
    Assignee: Nippon Oil Company, Ltd.
    Inventors: Ryoji Ohgake, Mitsuo Okada, Hiroyuki Takashima, Teruo Shimizu, Narihito Yamamoto
  • Greasy oil and fat composition for food processing machines
    Patent number: 5185091
    Abstract: A greasy oil and fat composition for food processing machines is prepared by mixing a fatty acid ester of polyglycerol, oil and fat for food and glycerol, melting the mixture by heating and kneading the mixture.The greasy oil and fat composition is safe for food sanitation, has excellent oxidation stability and lubricating properties and is favorably utilized as lubricant for food processing machines.
    Type: Grant
    Filed: November 8, 1991
    Date of Patent: February 9, 1993
    Assignee: Nippon Oil Company Limited
    Inventors: Ryoji Ogake, Mitsuo Okada, Hiroyuki Takashima, Teruo Shimizu, Narihito Yamamoto, Hiroyuki Uenoyama