Yasuo Nakajima

Title: Yasuo Nakajima: Innovator in Optical Technology

Introduction

Yasuo Nakajima is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of optical technology, holding a total of 18 patents. His work primarily focuses on the development of advanced lens systems that enhance imaging capabilities.

Latest Patents

Among his latest innovations is the "Wide-angle aspheric zoom lens." This invention features a first lens group with negative refracting power and a second lens group with positive refracting power, arranged sequentially from the photographing object side. The zooming mechanism is achieved by adjusting the aerial interval between these lens groups, both of which incorporate one or more aspheric surfaces. The first lens group consists of two negative lenses and a positive lens, while the second group includes a positive lens, a cemented lens with both a positive and a negative lens, and another positive lens.

Another notable patent is the "Zoom lens assembly." This assembly comprises a first fixed lens group with positive refractive power, including a negative lens, a positive lens, and a positive meniscus lens. It also features a second movable lens group with negative refractive power, which allows for variations in image magnification by moving along the optical axis. The assembly further includes a third fixed lens group with at least one aspherical face and a fourth movable lens group that also contains at least one aspherical surface, incorporating both negative and positive lenses cemented together.

Career Highlights

Yasuo Nakajima is currently employed at Matsushita Electric Industrial Co., Ltd., a company renowned for its innovations in electronics and technology. His work at this esteemed organization has allowed him to push the boundaries of optical design and contribute to advancements in imaging technology.

Collaborations

Throughout his career, Nakajima has collaborated with notable colleagues, including Yoshiharu Yamamoto and Yoshitomi Nagaoka. These partnerships have fostered a creative environment that has led to the development of groundbreaking optical solutions.

Conclusion

Yasuo Nakajima's contributions to optical technology through his numerous patents highlight his innovative spirit and dedication to advancing imaging systems. His work continues to influence the field and inspire future developments in lens technology.