Company Filing History:
7 out of 133 
3 out of 3,132 Years Active: 1994-2024
Title: Yasunori Izawa: Innovating Progressive Addition Lens Technology
Introduction
Yasunori Izawa is a prominent inventor based in Tokyo, Japan, renowned for his contributions to the field of optics. With a remarkable portfolio of 10 patents, Izawa has played a significant role in developing innovative technologies that enhance visual correction.
Latest Patents
His latest inventions include a progressive addition lens and a design method that significantly improve viewing comfort for users. This progressive addition lens features multiple portions designed for distinct viewing distances: a near portion for closer activities, a distance portion for far-off views, and an intermediate portion connecting the two. A key innovation in this design is the addition of transmission astigmatism to the near and intermediate sections, optimizing refraction functions. Further refinements ensure that after correcting for astigmatism, the lens maintains a greater vertical refractive power than horizontal refractive power, facilitating better vision experiences for users.
Career Highlights
Throughout his career, Yasunori Izawa has made significant strides while working with notable companies such as Hoya Lens Thailand Ltd. and Asahi Kogaku Kogyo Kabushiki Kaisha. His expertise and inventive spirit have greatly contributed to these organizations' advancements in optical technology.
Collaborations
Izawa has collaborated with distinguished professionals in his field, including Hiroshi Asami and Tomohiro Odaira. Together, they have worked on developing and refining lens technologies that address the complexities of human vision.
Conclusion
In summary, Yasunori Izawa stands out as a leading figure in optical innovations, as evidenced by his impressive patent portfolio and collaborative efforts with prominent companies and colleagues. His work on progressive addition lenses showcases his dedication to enhancing visual clarity and comfort, making a lasting impact in the world of optics.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.