Location History:
- Ohtsu, JP (1989)
- Otsu, JP (1994 - 2001)
Company Filing History:
Years Active: 1989-2001
Title: The Innovations of Yoshihide Ohnari
Introduction
Yoshihide Ohnari is a notable inventor based in Otsu, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced films for electrical applications. With a total of 5 patents to his name, Ohnari's work is characterized by its focus on enhancing the performance and efficiency of electrical components.
Latest Patents
Ohnari's latest patents include a film distinguished by its corona-resistant characteristics and insulated wires, coils, and motors that utilize this film as an insulation material. This innovative plastic film is designed to be low-cost while maintaining high mechanical strength, making it particularly suitable for electric trains that require higher running speeds and acceleration. One embodiment of the film features a base layer and at least one thermally conductive layer with a minimum thermal conductivity of 2 W/m·K, with preferred values of 6 W/m·K and 15 W/m·K. Another embodiment includes a minimum volume electrical resistivity of 10 Ω·cm and a low-electrical-resistance layer with a maximum superficial electrical resistance of 10 Ω·cm. The thermally conductive layer is typically formed from inorganic compounds or materials such as metal nitrides, metal carbides, metal silicides, and metal oxides. Additionally, he has developed a reformed polyimide fluorocarbon resin laminated film that exhibits superior adhesive properties with metals, enhancing its applicability in various industrial settings.
Career Highlights
Ohnari is currently employed at Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, where he continues to innovate and develop new materials. His work has been instrumental in advancing technologies that require high-performance insulation materials.
Collaborations
Throughout his career, Ohnari has collaborated with notable colleagues such as Kosuke Kataoka and Eiichiro Kuribayashi. These partnerships have contributed to the successful development of his patented technologies.
Conclusion
Yoshihide Ohnari's contributions to the field of materials science and electrical engineering are significant. His innovative patents reflect a commitment to enhancing the performance of electrical components, making him a key figure in his industry.