Location History:
- Nagano Prefecture, JP (2011)
- Nagano, JP (2006 - 2012)
- Tokyo, JP (2020)
Company Filing History:
10 out of 322 
1 out of 54,780 
Years Active: 2006-2025
Title: Masashi Miyazawa: Innovator in Axial Fan Technology
Introduction
Masashi Miyazawa is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of fan technology, holding a total of 10 patents. His innovative designs focus on improving the efficiency and functionality of axial fans.
Latest Patents
One of Miyazawa's latest patents is an axial fan that includes an impeller cup with blades extending in a radial direction. This design features a motor that rotates the impeller cup and a housing that accommodates both the impeller cup and the motor. The housing consists of a casing portion that covers the outer periphery of the impeller cup, a base portion that supports the motor, and a spoke portion connecting the base and casing portions. Notably, a vibration restraining portion is integrated into the outer peripheral portion of the base, designed with lower stiffness than other sections to minimize vibrations.
Another innovative patent involves a fan device with an impeller that has a circular plate opening, a sidewall opening, and a groove connecting the two for efficient motor cooling. The impeller comprises a cylinder with a circular plate and a peripheral wall extending from the circular plate's outer edge. The design includes a blade mounted on the peripheral wall, which is responsible for directing airflow. The circular plate features a central opening, while the sidewall opening is positioned differently from the rotation shaft, enhancing the fan's cooling capabilities.
Career Highlights
Miyazawa has worked with notable companies such as Sanyo Denki Co., Ltd. and Intel Corporation. His experience in these organizations has contributed to his expertise in developing advanced fan technologies.
Collaborations
Throughout his career, Masashi Miyazawa has collaborated with talented individuals, including Tomoaki Ikeda and Toshiki Ogawara. These partnerships have fostered innovation and creativity in his projects.
Conclusion
Masashi Miyazawa is a distinguished inventor whose work in axial fan technology has led to numerous patents and advancements in the field. His innovative designs continue to influence the industry and improve the efficiency of cooling systems.