This inventor holds 57 USPTO granted patents and 6 published patent applications, plus 4 CIPO patents and 12 EPO patents, primarily in Strain Wave Gearing (CPC class F16H). Top assignees: Harmonic Drive Systems Inc., Hitachi Automotive Systems, Ltd., Nissan Motor Company Limited. Active years: 1990-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Inventors with similar research interests:
Location History:
- Hotaka, JP (1990 - 1994)
- Nagano-ken, JP (1999 - 2011)
- Nagano, JP (1993 - 2014)
- Azumino, JP (2011 - 2024)
Company Filing History:
56 out of 326 
2 out of 2,028 
2 out of 13,420 
Years Active: 1990-2026
Areas of Expertise:
Title: **Yoshihide Kiyosawa: Innovator in Strain Wave Gearing Technology**
Introduction
Yoshihide Kiyosawa, an accomplished inventor based in Azumino, Japan, has made significant contributions to the field of gearing technology with a remarkable portfolio of 54 patents. His innovations play a crucial role in advancing mechanical systems, particularly in enhancing the efficiency and accuracy of strain wave gears.
Latest Patents
One of Kiyosawa’s latest patents focuses on a unique strain wave gearing system that incorporates a three-dimensional tooth profile. This inventive design features an internal tooth profile at the outer end that is proportionally reduced in the lateral direction, while the external tooth profile is proportionally increased. This innovative approach simplifies the tooth cutting process compared to traditional methods, resulting in improved manufacturing efficiency. By utilizing these specially designed tooth profiles, Kiyosawa's invention not only enhances the ease of production but also fosters advancements in overall gear performance.
Career Highlights
Throughout his career, Yoshihide Kiyosawa has worked with esteemed companies, including Harmonic Drive Systems Inc. and Sumitomo Metal Industries, Inc. His tenure at these organizations has allowed him to develop and refine groundbreaking technologies that significantly impact the mechanical engineering sector. Kiyosawa's commitment to innovation and excellence is evident in his extensive portfolio of patents.
Collaborations
Kiyosawa has had the privilege of collaborating with talented individuals in the industry, including Jun Handa and Noboru Takizawa. Together, they have contributed to various advancements in gear technology, showcasing the power of teamwork in driving innovation forward.
Conclusion
Yoshihide Kiyosawa stands out as a prominent figure in the realm of inventions and patent development. His pioneering work, particularly in strain wave gearing systems, not only highlights his exceptional skill as an inventor but also underscores the importance of innovation in the engineering field. As the industry continues to evolve, Kiyosawa's contributions will undoubtedly leave a lasting impact on the future of mechanical design.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile