Company Filing History:
Years Active: 1979-1980
Title: The Innovations of Koshi Takeuchi
Introduction
Koshi Takeuchi is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of optical technology, particularly in the design of interchangeable lens assemblies. With a total of two patents to his name, Takeuchi's work has had a considerable impact on the industry.
Latest Patents
Takeuchi's latest patents include a "Holding device for a lens of an interchangeable lens assembly" and a "Diaphragm linkage device for interchangeable lenses." The first patent describes a diaphragm linkage device that incorporates more than three column-shaped guide members with grooves made of plastic material, which has a small friction coefficient. This design allows for smooth movement of the diaphragm linkage ring in both thrust and radial directions. The second patent reiterates similar features, emphasizing the innovative use of guide members to enhance the functionality of interchangeable lenses.
Career Highlights
Koshi Takeuchi is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to develop and refine his inventions, contributing to the advancement of lens technology.
Collaborations
Throughout his career, Takeuchi has collaborated with esteemed colleagues such as Shigeru Hashimoto and Akira Masuda. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.
Conclusion
Koshi Takeuchi's contributions to optical technology through his innovative patents and collaborations highlight his importance in the industry. His work continues to influence the design and functionality of interchangeable lenses, showcasing the impact of his inventions.