Company Filing History:
Years Active: 1997-2004
Title: Innovations of Katsuto Tanaka
Introduction
Katsuto Tanaka is a notable inventor based in Kawachinagano, Japan. He holds a total of six patents, showcasing his contributions to the field of optical technology. His work has significantly impacted the design and functionality of optical components and viewfinders.
Latest Patents
One of his latest patents is the real-image variable-magnification viewfinder. This innovative viewfinder includes an objective optical system with positive optical power, an eyepiece optical system with positive optical power, and an erecting optical system. The design features a first lens unit with positive optical power, a second lens unit with negative optical power, and a third lens unit with positive optical power. As the zooming is performed from the wide-angle end to the telephoto end, the second and third lens units are moved closer together, fulfilling specific conditional formulae related to lateral magnification and movement distance.
Another significant patent involves an optical component produced by forming an anti-reflection film on a surface of a molding made from a norbornene resin with a polar group. This anti-reflection film is designed to adhere strongly to the surface, ensuring durability and effectiveness. The film consists of multiple layers with varying refractive indices, enhancing its optical properties.
Career Highlights
Katsuto Tanaka has worked with prominent companies in the optical industry, including Minolta Company, Ltd. and Minolta Camera Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.
Collaborations
Throughout his career, Tanaka has collaborated with notable coworkers such as Ichiro Kasai and Hiromu Mukai. These partnerships have contributed to the advancement of his inventions and the overall progress in the field.
Conclusion
Katsuto Tanaka's contributions to optical technology through his patents and collaborations highlight his significance as an inventor. His innovative designs continue to influence the industry and inspire future advancements in optical components.