Company Filing History:
Years Active: 1988
Title: The Innovations of Sadao Akatsuka: Pioneering Multi-Layered Anti-Reflection Coatings
Introduction: Sadao Akatsuka is a notable inventor hailing from Toyohashi, Japan. He has contributed to the field of optical engineering through his innovative work on multi-layered anti-reflection coatings. With a single patent to his name, Akatsuka has developed a product that enhances the durability and functionality of plastic substrates in various applications.
Latest Patents: Akatsuka's patent encompasses a multi-layered anti-reflection coating designed for use with plastic substrates. This advanced coating consists of four distinct layers, offering high durability and efficient optical performance. The first layer, positioned furthest from the substrate, is made of SiO₂. The second layer features a mixture of ZrO₂ and TiO₂, while the third is composed of ZrO₂. Finally, the fourth layer can be made of either SiO or SiO₂ and has an optical thickness greater than the first three layers, strategically selected between 0.5λ to 2.0λ, where λ is the design wavelength. The optical thicknesses of the first to third layers are approximately 0.25λ, ensuring optimal performance for the intended applications.
Career Highlights: Sadao Akatsuka is employed at Minolta Camera Kabushiki Kaisha, where his work is pivotal in advancing optical technologies. His innovative spirit and technical expertise have played an essential role in the company's commitment to producing high-quality imaging products.
Collaborations: Throughout his career, Akatsuka has collaborated with fellow inventor Hakuzo Tani, combining their unique skills and knowledge to push the boundaries of optical technology. Together, they have worked on projects that further the development of advanced coatings and other innovative solutions within their field.
Conclusion: Sadao Akatsuka stands out as a significant contributor to the field of optical engineering. His patent for the multi-layered anti-reflection coating showcases his ability to innovate and improve existing technologies. With his ongoing work at Minolta Camera and collaborative efforts with peers, Akatsuka continues to influence advancements in optical products and applications.