Kenji Iijima

Title: Kenji Iijima: Innovator in Optical Systems

Kenji Iijima is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of optical systems, particularly in image pickup technology. His innovative approach has led to the development of a unique optical system that enhances image quality and performance.

Latest Patents

Kenji Iijima holds a patent for an "Optical system for image pickup and image pickup apparatus." This optical system comprises a first lens group with negative refractive power positioned at the object side of an aperture stop. It also includes a second lens group with positive refractive power at the image plane side of the aperture stop, along with a third lens group that also has positive refractive power at the image plane side of the second lens group. The intricate design of the first lens group features a first lens with negative refractive power and a concave image plane side, a second lens of meniscus type with negative refractive power and a convex image plane side, and a third lens with positive refractive power and a convex object side. The second lens group consists of a fourth lens with positive refractive power and a convex image plane side, a fifth lens of meniscus type with negative refractive power and a convex object side, and a sixth lens with negative refractive power and a concave object side.

Career Highlights

Kenji Iijima is currently associated with Nittoh Inc., where he continues to work on advancing optical technologies. His expertise in lens design and optical systems has positioned him as a key player in the industry. His contributions have not only enhanced the capabilities of image pickup devices but have also paved the way for future innovations in optical technology.

Conclusion

Kenji Iijima's work in optical systems exemplifies the spirit of innovation in the field of image technology. His patent reflects a deep understanding of lens mechanics and optical design, contributing to advancements that benefit various applications. His ongoing efforts at Nittoh Inc. highlight his commitment to pushing the boundaries of optical engineering.