Location History:
- Ibaragi, JP (1983)
- Ibaraki, JP (1984 - 1985)
- Tsukuba, JP (1994)
Company Filing History:
4 out of 1,037 
3 out of 348 Years Active: 1983-1994
Title: Keisuke Kikuchi: Innovator in Optical Lens Technology
Introduction
Keisuke Kikuchi is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of optical lens technology, holding a total of 4 patents. His innovative designs focus on improving lens performance and correcting optical aberrations.
Latest Patents
Kikuchi's latest patents include a compound lens that features a spherical recess on one end wall of a first planar lens and the opposite end walls of a second planar lens. This design incorporates a high refractive index homogeneous sphere lens sandwiched between the two planar lenses, which helps correct spherical aberration and coma. Another notable patent is for a spherical lens with a graded refractive index distribution. This lens combines a core of uneven refractive index with spherical shell and rod clads, allowing for effective convergence of light beams, making it suitable for applications such as optical pickups.
Career Highlights
Throughout his career, Kikuchi has worked with prominent organizations, including the Agency of Industrial Science and Technology and the Ministry of International Trade and Industry. His work has significantly impacted the development of optical technologies.
Collaborations
Kikuchi has collaborated with esteemed colleagues such as Junichi Shimada and Kenjiro Sakurai, contributing to advancements in lens technology.
Conclusion
Keisuke Kikuchi's innovative work in optical lens technology has led to the development of patents that enhance lens performance and correct optical aberrations. His contributions continue to influence the field and inspire future innovations.