Kiyokazu Ishiyama

Title: Kiyokazu Ishiyama: Innovator in Lens Technology

Introduction

Kiyokazu Ishiyama is a notable inventor based in Yamagata, Japan. He has made significant contributions to the field of lens technology, holding a total of 2 patents. His work focuses on innovative designs that enhance the functionality and efficiency of lens systems.

Latest Patents

Ishiyama's latest patents include a sophisticated lens barrel design. This lens barrel features a first lens frame that holds a first lens group and a second lens frame that holds a second lens group. The design incorporates resilient members, specifically leaf springs, which allow the second lens frame to move relative to the first lens frame along the optical axis. This innovative mechanism ensures optimal positioning and stability of the lens groups.

Another significant patent by Ishiyama is the lens holding structure and its manufacturing method. This structure includes a lens and a holding frame that features a seat surface for the lens. The design ensures that the inclinations in both yaw and pitch directions of the lens are consistent when in contact with the seat surface and when held by the frame. A clearance is maintained between the lens and the seat surface, which is crucial for the lens's performance.

Career Highlights

Kiyokazu Ishiyama is currently employed at Panasonic Intellectual Property Management Co., Ltd. His role involves not only the development of innovative lens technologies but also the management of intellectual property related to these inventions. His expertise in lens design has positioned him as a key figure in the industry.

Collaborations

Ishiyama has collaborated with notable colleagues such as Shinichi Iwasaki and Akira Koga. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in lens systems.

Conclusion

Kiyokazu Ishiyama's contributions to lens technology through his patents and collaborations highlight his innovative spirit and dedication to advancing optical systems. His work continues to influence the field and inspire future developments in lens design.