Location History:
- Suwa-gun Nagano, JP (2021)
- Nagano, JP (1999 - 2024)
Company Filing History:
9 out of 730 
1 out of 264 
1 out of 248 Years Active: 1999-2025
Title: Innovations of Toshio Shirotori
Introduction
Toshio Shirotori is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of optical technology, holding a total of 10 patents. His work primarily focuses on lens units, showcasing his expertise in optical design and engineering.
Latest Patents
One of Toshio Shirotori's latest patents involves a lens unit that includes a plurality of lenses aligned in a row along an optical axis. This innovative lens unit features a first lens that is positioned closest to the object side, which includes an object-side lens surface, an image-side lens surface, and an image-side flange surface. The design incorporates a housing portion that accommodates the first lens and includes a regulation portion to maintain the lens's position along the optical axis. Additionally, the lens unit is designed with an O-ring seal between the first lens and the lens barrel, ensuring optimal performance and durability.
Career Highlights
Throughout his career, Toshio Shirotori has worked with prominent companies such as Nidec Sankyo Corporation and Sankyo Seiki Manufacturing Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the optical industry.
Collaborations
Toshio has collaborated with talented individuals such as Yosuke Kanzaki and Tadashi Komiyama. These partnerships have further enhanced his work and led to the development of advanced optical technologies.
Conclusion
Toshio Shirotori's contributions to the field of optics through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.