Location History:
- Komagane, JP (1999)
- Nagano, JP (1995 - 2001)
Company Filing History:
15 out of 307 
2 out of 264 Years Active: 1995-2001
Title: Yutaka Ishizuka: Pioneering Innovator in Motor Technology
Introduction
Yutaka Ishizuka, a distinguished inventor from Nagano, Japan, has significantly contributed to the field of motor technology with his innovative designs and solutions. With a remarkable portfolio of 17 patents, Ishizuka’s work exemplifies a blend of creativity and practicality, addressing key challenges in motor functionality and durability.
Latest Patents
Among Ishizuka's latest inventions, two patents stand out for their ingenuity and impact on motor design. The first is a patented spindle motor that utilizes a molded resin motor frame. This innovation ensures that any impacts applied to the motor apparatus are absorbed effectively, protecting critical components such as ball bearings from deformation. Moreover, this design eliminates the need for additional connectors, thus facilitating the miniaturization of the motor while enhancing reliability.
The second notable invention involves a motor rotor that features a cylindrical yoke with a separating slit. This unique configuration allows the yoke to expand with the cylindrical portion of the rotor case during heating, preventing distortion and potential damage to the rotor magnet. By creating non-bonded sections between the yoke and the rotor magnet, Ishizuka's design effectively safeguards against deformation, a crucial aspect for maintaining motor performance.
Career Highlights
Yutaka Ishizuka has built his career through impressive roles in prominent companies. His tenure at Kabushiki Kaisha Sankyo Seiki Seisakusho and Sankyo Seiki Mfg. Co., Ltd. has paved the way for numerous advancements in motor technologies. His deep understanding of mechanical engineering and commitment to innovation has made him a respected figure in the industry.
Collaborations
Throughout his career, Ishizuka has collaborated with accomplished professionals such as Koichi Katakura and Masayoshi Saichi. These partnerships have fostered a culture of innovation and shared knowledge, contributing to the development of groundbreaking technologies within the motor sector.
Conclusion
Yutaka Ishizuka's innovative spirit and dedication to improving motor technology are evident through his extensive patent portfolio and career accomplishments. His latest inventions highlight the importance of adaptability and durability in motor design, ensuring that his contributions will have a lasting impact on the industry. As an inspirational inventor, Ishizuka continues to influence the trajectory of motor technology with his groundbreaking advancements.