This inventor holds 3 USPTO granted patents and 11 published patent applications and 1 EPO patent. Top assignees: Mitsubishi Heavy Industries Limited, Kyushu University, Sumitomo Chemical Company, Limited. Active years: 2010-2024.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Nagasaki, JP (2010)
- Nagasaki-ken, JP (2013)
Company Filing History:
2 out of 4,746 
1 out of 455 
1 out of 6,961 Years Active: 2010-2024
Title: The Innovations of Toshiyasu Kiyabu
Introduction
Toshiyasu Kiyabu is a notable inventor based in Nagasaki-ken, Japan. He has made significant contributions to the field of technology, particularly in the area of oil deterioration detection and battery materials. With a total of 3 patents to his name, Kiyabu's work reflects a commitment to advancing industrial applications.
Latest Patents
Kiyabu's latest patents include an oil deterioration detection device, an oil deterioration detection system, and an oil deterioration detection method. The oil deterioration detection device performs an analysis based on impedances at at least three specific frequencies selected from a first frequency range. This device calculates an arc of impedance on a Nyquist diagram, measuring impedances by applying an AC voltage to counter electrodes when oil passes between them. If the calculated arc exceeds a reference arc by a predetermined value, it determines that moisture is mixed and calculates the amount of moisture based on the shape of the calculated arc. Additionally, he has developed a cathode active material for non-aqueous electrolyte secondary batteries, which involves a mechanical milling process to produce metal fluoride compounds.
Career Highlights
Throughout his career, Kiyabu has worked with prominent companies, including Mitsubishi Heavy Industries Limited. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects.
Collaborations
Kiyabu has collaborated with notable coworkers such as Shigeto Okada and Jun-Ichi Yamaki. Their combined expertise has likely enhanced the quality and impact of their work in the field.
Conclusion
Toshiyasu Kiyabu's contributions to technology, particularly in oil deterioration detection and battery materials, showcase his innovative spirit and dedication to advancing industrial applications. His patents reflect a deep understanding of complex systems and a commitment to improving technology for practical use.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile