Location History:
- Motono-mura, JP (1999)
- Chiba, JP (1996 - 2001)
- Chiba-Ken, JP (2001)
- Matsudo, JP (1992 - 2019)
Company Filing History:
10 out of 264 
2 out of 370 
1 out of 896 
Years Active: 1992-2019
Title: Isao Shibuya: A Pioneer in Magnet and Contact Materials Innovation
Introduction
Isao Shibuya, an inventive mind based in Matsudo, Japan, has made significant contributions to the world of materials science. With a remarkable portfolio of 11 patents, Shibuya's innovative spirit has led to advancements in bonded magnets and sliding contact materials. His work exemplifies the fusion of practicality and environmental consciousness in modern engineering.
Latest Patents
Shibuya's recent inventions include a novel composition for bonded magnets, which features a precise blend of materials. This composition contains 88% to 91% by mass of samarium-iron-nitrogen magnet powder, along with a mix of polyamide elastomers, carbon fibers, and carboxylic acid esters. This combination not only enhances the strength and durability of the magnets but also maintains environmental standards.
Another notable patent introduced by Shibuya focuses on materials for sliding contact, which aim to eliminate harmful substances like cadmium. The formulations presented exhibit excellent contact resistance and wear resistance, comprising silver-zinc-palladium and other alloy combinations. This innovation is particularly useful in manufacturing commutators for small-sized direct current motors used in household appliances.
Career Highlights
Shibuya's professional journey has led him to prominent companies, such as Mabuchi Motor Co., Ltd. and Tanaka Kikinzoku Kogyo Co., Ltd. His roles in these organizations have bolstered his expertise in developing cutting-edge materials that meet the demands of modern technology while prioritizing sustainability.
Collaborations
Throughout his career, Shibuya has worked alongside talented individuals such as Kenji Hagiwara and Kazutoshi Yoshimura. These collaborative efforts have fostered a creative environment that promotes innovation and the successful execution of complex projects.
Conclusion
Isao Shibuya's contributions to the field of materials science through his patented inventions demonstrate his commitment to innovation and sustainability. As he continues to develop new technologies, his work not only addresses current engineering challenges but also paves the way for a more environmentally friendly future.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.