Misa Mishina

Title: Misa Mishina - Innovator in Plastic Lens Dyeing Technology.

Introduction

Misa Mishina is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of optical technology, particularly in the production of dyed plastic lenses. Her innovative approach has led to advancements that enhance the quality and uniformity of lens dyeing processes.

Latest Patents

Misa Mishina holds a patent for a process for producing dyed plastic lenses. This process enables plastic lenses with a refractive index of 1.7 or greater to be dyed uniformly to a high density without unevenness. The patented method involves three key steps: first, coating a substrate with an ink containing a sublimation dye at a temperature of 60°C or lower; second, reducing the water content in the ink to 50% by mass or less; and third, sublimating the dye by heating the substrate under a vacuum to dye the plastic lens effectively.

Career Highlights

Misa is associated with Hoya Corporation, a leading company in optical products. Her work has been instrumental in improving the dyeing process for plastic lenses, which is crucial for various applications in eyewear and optical devices.

Collaborations

Misa has collaborated with notable colleagues, including Takaaki Kubotera and Shinya Miyajima. Their teamwork has contributed to the successful development and implementation of innovative technologies in the optical field.

Conclusion

Misa Mishina's contributions to the dyeing of plastic lenses represent a significant advancement in optical technology. Her innovative processes not only enhance product quality but also pave the way for future developments in the industry.