Location History:
- Shinjuku-ku, JP (2015)
- Tokyo, JP (2018 - 2020)
Company Filing History:
Years Active: 2015-2020
Title: Koushi Harada: Innovator in Spectacle Lens Technology
Introduction
Koushi Harada is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, particularly in the development of advanced spectacle lenses. With a total of 4 patents to his name, Harada's work has had a notable impact on the eyewear industry.
Latest Patents
One of Harada's latest patents involves a spectacle lens that features a multilayer film of a vapor deposition film. This innovative lens includes at least one high refractive index layer and one low refractive index layer, designed to enhance optical performance. The total optical film thickness of the high refractive index layer is at least λ/4 at a wavelength of λ=780 nm. Additionally, the reflection spectrum measured on the surface of the lens shows a maximum reflectance in the wavelength range of 800 to 1350 nm.
Another significant patent pertains to an eyeglass lens that boasts improved heat resistance and scratch resistance. This lens comprises a substrate and a vapor-deposited oxide film made from metals such as zirconium and tantalum. The film's average grain size is equal to or greater than 3.5 nm, with a minimal proportion of grain boundaries, ensuring durability and performance.
Career Highlights
Throughout his career, Koushi Harada has worked with notable companies, including Hoya Corporation and Hoya Lens Thailand Ltd. His experience in these organizations has allowed him to refine his expertise in optical technologies and contribute to innovative product development.
Collaborations
Harada has collaborated with esteemed colleagues such as Yoichi Ogo and Nobuyuki Tadokoro. These partnerships have fostered a creative environment that has led to the advancement of optical technologies.
Conclusion
Koushi Harada's contributions to the field of spectacle lens technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of optical science and a dedication to improving eyewear performance. Harada's work continues to influence the industry and inspire future advancements in optical technology.