Location History:
- Chiba, JP (1987)
- Ichikawa, JP (1992 - 2019)
Company Filing History:
3 out of 898 
1 out of 48 
1 out of 264 Years Active: 1987-2019
Title: Innovator Junichi Ishii: Pioneering Advancements in Bonded Magnet Technology
Introduction: Junichi Ishii, an accomplished inventor hailing from Ichikawa, Japan, is recognized for his significant contributions to the field of magnet technology. With three patents to his name, Ishii's innovations are centered around the development of compositions and components for bonded magnets, showcasing his expertise and forward-thinking approach.
Latest Patents: Ishii's latest patents highlight the intricacies of his work with bonded magnets. One notable invention is a composition for bonded magnets, which comprises between 88% and 91% by mass of a samarium-iron-nitrogen magnet powder, alongside specific percentages of a polyamide elastomer, carbon fibers, and a carboxylic acid ester. This innovative composition is designed to optimize the performance characteristics of magnets. Another patent focuses on a resin-bonded permanent magnet and its binder, featuring a curable epoxy resin and a curing accelerator, ensuring enhanced operational efficiency in rare earth permanent magnets.
Career Highlights: Junichi Ishii has had a remarkable career, working with prestigious companies such as Sumitomo Metal Mining Company, Ltd. and Koei Chemical Company, Limited. His tenure at these companies has played a crucial role in refining his knowledge and skills, contributing to his innovative capacity in the industry.
Collaborations: Throughout his career, Ishii has had the privilege of collaborating with prominent figures in the field, including Koichi Oka and Tetsuji Takada. These partnerships have fostered a collaborative environment that has spurred greater innovation and development within the realm of magnet technology.
Conclusion: Junichi Ishii stands out as a notable inventor whose work continues to influence advancements in bonded magnet technology. With a solid portfolio of patents and significant industry experience, his contributions have laid the groundwork for future innovations in this vital area of research and development.