Kenji Onogi

Title: Kenji Onogi: Innovator in Photographic Technology

Introduction

Kenji Onogi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of photographic technology, holding a total of 4 patents. His work focuses on enhancing the functionality and efficiency of photographic apparatuses.

Latest Patents

One of his latest patents is an "Apparatus for determining shutter speed adapted for a photographing." This innovative device utilizes a photo multiplier as a photoelectric element to receive light transmitted through an objective lens. The photo multiplier transforms the light into an electric signal, which is then compared with a reference signal that has two different levels, high and low. The system produces signals based on the output, adjusting the sensitivity of the photo multiplier accordingly. An arithmetic unit determines the proper shutter speed based on the output of the photo multiplier and a correction coefficient.

Another significant patent is the "Apparatus for stopping the motor of a motor drive mechanism in a camera." This invention addresses the motor drive mechanism that starts with a film winding start signal and stops with a film winding end signal. The apparatus includes a timer circuit and abnormality detection means to ensure the motor stops under specific conditions, enhancing the reliability of the camera's operation.

Career Highlights

Kenji Onogi is currently employed at Nippon Kogaku K.K., a company renowned for its advancements in optical technology. His work has contributed to the development of innovative photographic equipment that improves user experience and functionality.

Collaborations

Throughout his career, Onogi has collaborated with notable colleagues, including Ryozo Ito and Katsuji Rikukawa. These partnerships have fostered a creative environment that encourages the exchange of ideas and technological advancements.

Conclusion

Kenji Onogi's contributions to photographic technology through his patents demonstrate his innovative spirit and dedication to improving imaging devices. His work continues to influence the field, making significant strides in the functionality of photographic apparatuses.