Location History:
- Shinjyuku-ku, JP (2003 - 2004)
- Tokyo, JP (2003 - 2012)
Company Filing History:
Years Active: 2003-2012
Title: Norihisa Tanaka: Innovator in Photochromic Lens Technology
Introduction
Norihisa Tanaka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, particularly in the development of photochromic lenses. With a total of 5 patents to his name, Tanaka's work has advanced the manufacturing processes and applications of these innovative lenses.
Latest Patents
Tanaka's latest patents include a coating method and manufacturing method for photochromic lenses. This method allows for the uniform application of a coating liquid with photochromic properties, ensuring that no uncoated areas are left on the lens surface. The process involves dripping the coating liquid in a ring shape around the outer circumference of the lens while it rotates, followed by a spiral application towards the center. This technique is designed to create a photochromic film with optimal functionality. Additionally, he has developed a coating apparatus for optical lenses, which operates within a clean room environment to ensure the quality and precision of the coating application.
Career Highlights
Throughout his career, Tanaka has worked with notable companies such as Hoya Corporation and Genesia Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in optical technologies.
Collaborations
Tanaka has collaborated with esteemed colleagues, including Masahiko Samukawa and Hisanori Akiyama. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Norihisa Tanaka's contributions to the field of photochromic lens technology highlight his role as a leading inventor in optical innovations. His patents and collaborative efforts continue to influence the industry and pave the way for future advancements.