This inventor holds 75 USPTO granted patents and 21 published patent applications and 23 EPO patents, primarily in Optical Devices (CPC class B22F). Top assignees: Canon Kabushiki Kaisha, Oki Electric Industry Co., Ltd., Dowa Electronics Materials Co., Ltd.. Active years: 1984-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
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Company Filing History:
14 out of 93,085 
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7 out of 315 
Years Active: 1984-2026
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Title: The Innovations of Masahiro Yoshida: A Patent Profile
Introduction
Masahiro Yoshida, based in Tokyo, Japan, is an accomplished inventor renowned for his contributions to the field of materials science and engineering. With a remarkable portfolio of 67 patents, he has become a notable figure in the innovation landscape, pushing the boundaries of what is possible in manufacturing techniques and product development.
Latest Patents
Yoshida's latest patents demonstrate his commitment to advancing technology. One of his significant inventions is a novel copper powder and method for producing the same. This invention provides an inexpensive copper powder characterized by a low oxygen content, even at small particle diameters. The method involves allowing molten copper heated to temperatures 250 to 700°C above its melting point to cool rapidly in a non-oxidizing atmosphere, resulting in a copper powder with a particle diameter ranging from 1 to 10 μm and an oxygen content of 0.7% by weight or less.
Additionally, Yoshida has developed a variable speed pumping system that includes a generator motor with a frequency converter. This innovative system is engineered for efficient power control, enabling precise monitoring and adjustment of power input during pumping operations. The design incorporates advanced feedback mechanisms to ensure optimal performance under varying operational conditions.
Career Highlights
Throughout his career, Masahiro Yoshida has made impactful contributions while working with prominent companies such as Canon and Oki Electric Industry Co., Ltd. His experiences at these esteemed firms have significantly influenced his research and development pursuits, allowing him to cultivate a unique blend of practical knowledge and inventive prowess.
Collaborations
Yoshida's journey as an inventor has also been shaped by collaborations with reputable professionals in his field. He has worked alongside notable individuals such as Kenichi Inoue and Shunichi Tokitoh, whose shared expertise and collective insights have undoubtedly enriched his innovative projects.
Conclusion
Masahiro Yoshida's impressive body of work and dedication to innovation highlight the essential role of inventors in shaping technological advancements. His latest patents exemplify a relentless pursuit of knowledge and improvement in manufacturing processes, contributing significantly to the broader field of materials science. As he continues to innovate, Yoshida stands as an inspiring figure for aspiring inventors and industry professionals alike.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile