Tohru Karikawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of camera technology, holding a total of 7 patents. His innovative designs have enhanced the functionality and efficiency of single-lens reflex cameras.

Latest Patents

One of Karikawa's latest patents is a mirror operating mechanism in a cassette type SLR camera. This mechanism utilizes a small film cassette and features a main plate with two guide shafts aligned with the optical axis of the camera's photographing lens. The design includes a mirror lifting drive plate and a mirror lowering drive plate that slide along the guide shafts, with driving coil springs facilitating their movement. Another significant patent is for an interchangeable-lens type TTL automatic exposure camera. This invention improves automatic exposure control by incorporating a fixed diaphragm that corresponds to the maximum aperture of the adjustable camera diaphragm, ensuring consistent light measurements.

Career Highlights

Karikawa has worked with Asahi Kogaku Kogyo Kabushiki Kaisha, a prominent company in the optical and imaging industry. His work has been instrumental in advancing camera technology, making it more user-friendly and efficient.

Collaborations

Throughout his career, Karikawa has collaborated with talented individuals such as Kunio Mita and Koichi Kobayashi. These partnerships have fostered innovation and creativity in their projects.

Conclusion

Tohru Karikawa's contributions to camera technology have left a lasting impact on the industry. His inventive spirit and dedication to improving photographic equipment continue to inspire future innovations.

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