This inventor holds 30 USPTO granted patents and 7 published patent applications and 10 EPO patents, primarily in Strain Wave Gearing. Top assignees: Harmonic Drive Systems Inc., Harmonic Ad, Inc., Matsushita Electric Industrial Co., Ltd.. Active years: 1999-2025.
Location History:
- Hotaka-machi, JP (2001)
- Minamiazumi-gun, JP (2006)
- Nagano-ken, JP (1999 - 2011)
- Nagano, JP (2010 - 2014)
- Azumino, JP (2015 - 2024)
Company Filing History:
27 out of 326 
3 out of 3 
1 out of 27,375 
Years Active: 1999-2025
Areas of Expertise:
Title: Innovative Contributions of Norio Shirokoshi
Introduction
Norio Shirokoshi, based in Azumino, Japan, is a notable inventor with an impressive portfolio of 28 patents. His work primarily focuses on advancements in gearing mechanisms, particularly strain wave gearing technology. Shirokoshi's innovations demonstrate a commitment to enhancing mechanical efficiency and manufacturing processes.
Latest Patents
One of Shirokoshi's latest patents is for a strain wave gearing system featuring a three-dimensional tooth profile. This technology involves a basic internal tooth profile that is proportionally reduced laterally, while the external teeth profile is increased in the same manner. This unique design simplifies the tooth cutting process, making it easier and more efficient compared to traditional methods. The three-dimensional interaction between internal and external teeth ensures that they mesh correctly without interference, enhancing the overall performance and reliability of the gearing system.
Career Highlights
Throughout his career, Norio Shirokoshi has made significant contributions to the field of mechanical engineering, particularly through his work at Harmonic Drive Systems Inc. and Harmonic Ad, Inc. His innovative approach to strain wave gearing has led to advancements in several industrial applications, underscoring his role as a leader in his field.
Collaborations
Shirokoshi has collaborated with notable colleagues, including Harushige Aoyagi and Yoshihide Kiyosawa. These partnerships have facilitated knowledge sharing and innovation, allowing for the development of advanced technologies that leverage each collaborator's expertise in engineering and design.
Conclusion
Norio Shirokoshi's contributions to the world of strain wave gearing reflect his deep understanding of mechanical systems and a commitment to innovation. With an impressive number of patents and a proven track record in collaborative projects, his work stands as a testament to the power of creativity in engineering.