Company Filing History:
5 out of 695 
2 out of 16,115 
1 out of 2 Years Active: 2007-2025
Title: The Innovative Contributions of Tomonari Masuzawa
Introduction
Tomonari Masuzawa is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of optics, holding a total of 8 patents. His work primarily focuses on projection lenses and devices, showcasing his expertise and innovative spirit.
Latest Patents
Masuzawa's latest patents include a projection lens and a projection device. The projection lens features a design that incorporates a lens made of resin, a first holding frame that secures the lens, and a second holding frame that does not contact the lens but supports the first holding frame. Notably, the thermal expansion coefficient of the first holding frame is higher than that of the second holding frame. Another significant patent is a lens unit that includes a second lens housed within a lens barrel. This lens holding ring is shaped like a ring and is fitted into the lens barrel, featuring lens receiving portions formed on its inner peripheral surface at three or more different positions in a circumferential direction. This design allows the second lens to be fitted into the lens holding ring while being supported by the lens receiving portions.
Career Highlights
Throughout his career, Masuzawa has worked with notable companies such as Fujinon Corporation and Fujifilm Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the optical industry.
Collaborations
Masuzawa has collaborated with talented individuals in his field, including Ryota Sasaki and Takao Araki. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Tomonari Masuzawa's contributions to the field of optics through his patents and collaborations highlight his role as an influential inventor. His innovative designs continue to impact the industry, showcasing the importance of creativity and collaboration in technological advancement.