Location History:
- Nagoya, JP (1991 - 1993)
- Kanagawa, JP (2003 - 2005)
Company Filing History:
6 out of 1,357 
1 out of 33,442 
Years Active: 1991-2005
Title: **Akira Motonaga: Innovator in Lens Technologies**
Introduction
Akira Motonaga is a notable inventor based in Nagoya, Japan, known for his substantial contributions to lens technology. With a total of six patents, Motonaga's work has significantly advanced the field of optical engineering, particularly through methods involving activation energy curing resins.
Latest Patents
Among his recent innovations is a patent for a lens sheet and the method of manufacturing the same. This lens sheet comprises a lens portion made of activation energy curing resin, such as ultraviolet curing resin, which includes several lens units. These units are set on at least one side of a transparent substrate, like a plastic sheet, while a relaxation layer is strategically placed between the substrate and the lens portion. The relaxation layer's thickness varies between 1% to 30% of the height of the lens units, ensuring exceptional optical quality. It is formulated integrally with the lens portion from activation energy curing resins. The design allows for elongated prism structures with triangular cross sections, mitigating optical defects that can occur due to polymerization shrinkage, thus enhancing the lens sheet's performance.
Career Highlights
Motonaga's impressive career includes significant tenures at Mitsubishi Rayon Company, Limited and Seiko Epson Corporation. His experience at these leading companies has undoubtedly shaped his innovative perspective and technical expertise in the field of lens manufacturing and optical design.
Collaborations
Throughout his career, Motonaga has collaborated with several key figures in the industry, notably with Hiroshi Fukushima and Eriko Suda. Their collective expertise and teamwork have contributed to the successful development of various advanced lens technologies that push the boundaries of optical innovation.
Conclusion
Akira Motonaga continues to be a driving force in the realm of lens technologies, demonstrating an unwavering commitment to innovation and excellence. With multiple patents to his name and a rich career history, he remains influential in shaping the future of optical engineering. His recent patents reveal not only his vision but also a deep understanding of the complexities involved in creating high-quality lens products.