Katsuhiko Yamamoto

Title: Innovations of Katsuhiko Yamamoto

Introduction

Katsuhiko Yamamoto is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of photography, holding a total of 7 patents. His work primarily focuses on camera technology and methods for enhancing photographic processes.

Latest Patents

One of his latest patents is a camera and focusing method designed for use with both 120- and 220-type roll photo film. This innovative Brownie camera features an exposure aperture that allows for the effective exposure of the roll photo film. The design includes a pair of rails that contact the emulsion surface of the film, ensuring precise positioning. Additionally, a pressure plate is utilized to maintain the film's position during exposure. The camera is equipped with an external selector wheel that enables users to choose between the two film types, adjusting the passageway size accordingly. Another significant invention is a single-lens reflex camera that incorporates a compact and simple mechanism for changing the finder screen frame. This design improves upon conventional apparatuses by utilizing fewer components while maintaining functionality.

Career Highlights

Yamamoto has worked with prominent companies in the photography industry, including Fuji Photo Film Company, Limited and Fuji Photo Optical Co., Ltd. His experience in these organizations has contributed to his expertise in camera technology and innovation.

Collaborations

Throughout his career, Yamamoto has collaborated with notable individuals such as Hisashi Hamada and Shigenori Goto. These partnerships have likely influenced his inventive processes and led to the development of his patented technologies.

Conclusion

Katsuhiko Yamamoto's contributions to camera technology have significantly impacted the field of photography. His innovative designs and patents reflect his dedication to enhancing photographic experiences.