This inventor holds 5 USPTO granted patents and 2 EPO patents. Top assignees: Idemitsu Kosan Company, Limited, Idemitsu Petrochemical Co., Ltd.. Active years: 1998-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Sodegaura, JP (1998 - 2000)
- Chiba, JP (2004)
- Ichihara, JP (2011)
Company Filing History:
4 out of 2,283 
1 out of 555 
Years Active: 1998-2011
Title: Yutaka Takakura: Innovator in Lubricant Technology
Introduction
Yutaka Takakura is a notable inventor based in Sodegaura, Japan. He has made significant contributions to the field of lubricant technology, holding a total of 5 patents. His work focuses on developing advanced lubricating oil compositions that enhance performance across various applications.
Latest Patents
Among his latest patents, Takakura has developed a lubricant composition that includes a lubricant base oil with a kinematic viscosity at 100 degrees Celsius ranging from 1 to 5 mm/s. This composition also features at least one component selected from an olefin copolymer (OCP) and a poly-α-olefin (PAO), with a kinematic viscosity at 100 degrees Celsius between 20 to 2000 mm/s. The resulting lubricating oil composition has a kinematic viscosity at 100 degrees Celsius of 8 mm/s or less, with a viscosity index of 155 or more. Another significant patent involves a lubricating oil composition that comprises a lubricating base oil and a sulfonate, phenate, or salicylate of an alkaline earth metal. This composition maintains a friction coefficient between metals of 0.12 or higher at -20 degrees Celsius, demonstrating high performance across a wide temperature range.
Career Highlights
Throughout his career, Yutaka Takakura has worked with prominent companies in the industry, including Idemitsu Kosan Company, Limited and Idemitsu Petrochemical Co., Ltd. His expertise in lubricant technology has positioned him as a key figure in the development of innovative solutions for various applications.
Collaborations
Takakura has collaborated with notable coworkers such as Shuji Machida and Haruo Shikuma. Their combined efforts have contributed to advancements in lubricant formulations and applications.
Conclusion
Yutaka Takakura's contributions to lubricant technology through his patents and collaborations highlight his role as an innovator in the field. His work continues to influence the development of high-performance lubricating oil compositions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile