Yoshitaka Matsui

Title: The Innovations of Yoshitaka Matsui

Introduction

Yoshitaka Matsui is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optics, particularly in the development of advanced spectacle lenses. With a total of eight patents to his name, Matsui's work reflects a commitment to enhancing visual technology.

Latest Patents

Matsui's latest patents include innovative designs for spectacle lenses. One notable patent describes a spectacle lens that features a lens substrate with a multilayer film on both the object-side and eyeball-side surfaces. This lens is designed to absorb blue light at a rate of 10.0% or higher, incorporating a blue-light-absorbing compound. Additionally, the lens maintains an average reflectance in the wavelength range of 400 nm to 500 nm between 10.0% and 20.0%, while ensuring a luminous reflectance of less than 2.0%. Another patent focuses on a spectacle lens that includes a vapor deposition multilayer film, which consists of high and low refractive index layers. This design achieves a total optical film thickness of λ/4 or more at a wavelength of λ=780 nm, optimizing reflectance in the 800 to 1350 nm range.

Career Highlights

Throughout his career, Matsui has worked with notable companies such as Takata Corporation and Hoya Lens Thailand Ltd. His experience in these organizations has allowed him to refine his expertise in lens technology and innovation.

Collaborations

Matsui has collaborated with talented individuals in the field, including Kei Tsujimoto and Wataru Nakazawa. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Yoshitaka Matsui's contributions to the field of optics through his innovative patents and collaborations highlight his role as a leading inventor in Japan. His work continues to influence the design and functionality of spectacle lenses, enhancing the visual experience for many.