Company Filing History:
Years Active: 1997-2001
Title: Innovator Kazuyuki Watanabe: Advancements in Stepping Motor Technologies
Introduction: Kazuyuki Watanabe, an accomplished inventor based in Hamamatsu, Japan, is recognized for his significant contributions to the field of stepping motor technology. With a total of two patents to his name, Watanabe has been at the forefront of innovations that enhance performance and reliability in various applications.
Latest Patents: Watanabe's most recent patents focus on improving the functionality of stepping motors. His first patent, titled "Stepping Motor with Rust Inhibiting and Eddy Current Minimizing Characteristics," introduces a unique design where stator yokes are configured with comb-tooth-shaped magnetic poles. These magnetic poles are meticulously arranged opposite each other in relation to a rotor made from a permanent magnet, which is magnetized to feature multiple magnetic poles. The innovation includes an excitation coil positioned around the external circumference of the stator yokes, all encased within a frame yoke. Notably, each yoke is crafted from an Fe-Cr alloy, which effectively suppresses the formation of eddy currents in alternating-current magnetic fields.
In addition, his second patent, "Stator Yoke and Method of Producing Same," addresses the improvement of both magnetic characteristics and rust-proofing effects in stator yokes produced with the same Fe-Cr alloy. While these alloys improve magnetic properties, the press working process can decrease these characteristics. To counter this, Watanabe’s approach includes an annealing step, which not only helps recover magnetic qualities but also enhances surface durability against rust.
Career Highlights: Watanabe has accumulated a wealth of knowledge throughout his career, having worked for notable companies such as Nisshin Steel Co., Ltd. and FDK Corporation. His experience in these organizations has significantly contributed to his innovative approaches in the field of motor technology.
Collaborations: Throughout his professional journey, Watanabe has collaborated closely with esteemed colleagues, including Hirofumi Nakano and Toshihiko Takemoto. Their collective insights have been instrumental in pushing the boundaries of what is possible in stepping motor design and functionality.
Conclusion: Kazuyuki Watanabe's pioneering work in stepping motor technologies exemplifies the spirit of innovation that drives advancements in engineering. With a strong foundation in both theoretical and practical aspects of motor design, Watanabe continues to inspire future generations of inventors and engineers. His patents not only stand as testaments to his ingenuity but also as crucial contributions to the evolving landscape of technological advancements.