This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Nippon Steel Corporation, Idemitsu Kosan Company, Limited. Active years: 1992-2022.
Location History:
- Kitakyusyushi, JP (1992)
- Tokyo, JP (2021)
- Chiyoda-ku, JP (2022)
Company Filing History:
3 out of 3,711 
1 out of 2,283 
Years Active: 1992-2022
Title: Eisuke Minematsu: Innovator in Metalworking Technologies
Introduction
Eisuke Minematsu is a notable inventor based in Chiyoda-ku, Japan. He has made significant contributions to the field of metalworking, holding three patents that showcase his innovative approach to improving metalworking processes and materials.
Latest Patents
One of his latest patents is a metalworking oil composition and metalworking method. This invention provides a metalworking oil composition that exhibits excellent workability and rust inhibiting performance. It is prepared by blending at least one carboxylate selected from a polyhydric alcohol ester of a monocarboxylic acid and a monohydric alcohol ester of a polycarboxylic acid, a phosphorus-containing compound, and a rust inhibitor. The composition is designed to contain a monocarboxylic acid with 9 to 21 carbon atoms, with the carboxylate content being 0.6% by mass or more based on the total amount of the composition.
Another significant patent is for a wound core and its manufacturing method. This invention involves forming a wound core by laminating multiple bent bodies made from a grain-oriented electrical steel sheet. The bent bodies are designed with a rectangular shape and specific bending characteristics, ensuring minimal phosphorus elution when boiled in water.
Career Highlights
Eisuke Minematsu has worked with prominent companies in the industry, including Nippon Steel Corporation and Idemitsu Kosan Company, Limited. His experience in these organizations has contributed to his expertise in metalworking technologies and innovations.
Collaborations
Throughout his career, Minematsu has collaborated with notable colleagues such as Osamu Tanaka and Norikazu Fujii. These collaborations have likely enriched his work and led to further advancements in his field.
Conclusion
Eisuke Minematsu is a distinguished inventor whose work in metalworking has led to valuable patents that enhance the efficiency and effectiveness of metalworking processes. His contributions continue to influence the industry and inspire future innovations.