This inventor holds 2 USPTO granted patents. Top assignees: Hitachi Cable, Inc., Hitachi Computer Peripherals Co., Ltd., Hitachi, Ltd.. Active years: 1990-2004.
Location History:
- Hitachi, JP (1990)
- Ibaraki, JP (2004)
Company Filing History:


Years Active: 1990-2004
Title: The Innovations of Yoshiyuki Tetsu
Introduction
Yoshiyuki Tetsu is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of wire enamel compositions and bonding technologies. With a total of 2 patents, his work has had a considerable impact on the industry.
Latest Patents
Tetsu's latest patents include a "Partial discharging-resistant wire enamel composition" and a "wire with coating for ultrasonic bonding." The first invention provides a partial discharge-resistant wire enamel composition wherein at least one fine particle sol, selected from the group of metal oxide fine particle sol and silicon oxide fine particle sol, is dispersed. This composition contains 3 to 100 parts by weight of at least one fine particle per 100 parts by weight of wire enamel resin. As a result, the partial discharge-resistant wire enamel composition exhibits excellent dispersibility of inorganic fine particles. The second patent describes a wire with a coated layer designed for bonding to a joint body through ultrasonic vibration. This coated layer comprises urethane resin formulated with a brominated epoxy resin.
Career Highlights
Throughout his career, Tetsu has worked with prominent companies such as Hitachi Cable, Inc. and Hitachi Computer Peripherals Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas.
Collaborations
Tetsu has collaborated with several talented individuals, including Minoru Taguchi and Shigeo Hara. These partnerships have contributed to the advancement of his inventions and the overall progress in his field.
Conclusion
Yoshiyuki Tetsu's contributions to wire technology and bonding methods demonstrate his innovative spirit and dedication to advancing the industry. His patents reflect a commitment to improving the performance and reliability of wire materials.