This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Horiba Advanced Techno, Co., Ltd., Jx Nippon Oil Energy Corporation. Active years: 2016-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 32 
1 out of 331 Years Active: 2016-2018
Title: Tsunetoshi Sugawara: Innovator in Liquid Sample Measurement and Lubrication Technology
Introduction
Tsunetoshi Sugawara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of resistivity measurement and lubrication technology. With a total of 2 patents, his work focuses on enhancing the accuracy and efficiency of liquid sample analysis.
Latest Patents
Sugawara's latest patents include a resistivity-measuring circuit and a lubricating oil composition for machining tools. The resistivity-measuring circuit is designed to continuously measure the resistivity of a liquid sample with high accuracy while preventing deterioration of the sample. This circuit calculates resistivity by detecting voltage between outer and inner electrodes, applying square wave AC voltage with an amplitude ranging from 1 V to 42 V and a frequency of 0.5 Hz to 30 Hz. His lubricating oil composition for machining tools consists of a lubricating base oil and specific phosphoric acid esters, along with sulfur compounds, aimed at improving the performance of machining tools.
Career Highlights
Throughout his career, Sugawara has worked with prominent companies such as JX Nippon Oil Energy Corporation and Horiba Advanced Techno, Co., Ltd. His experience in these organizations has allowed him to develop innovative solutions that address industry challenges.
Collaborations
Sugawara has collaborated with talented individuals, including Tadashi Oshio and Teppei Tsujimoto. These partnerships have contributed to the advancement of his inventions and the successful implementation of his technologies.
Conclusion
Tsunetoshi Sugawara's contributions to resistivity measurement and lubrication technology highlight his innovative spirit and dedication to improving industrial processes. His patents reflect a commitment to accuracy and efficiency in liquid sample analysis and machining applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile