Location History:
- Tokyo, JA (1977 - 1978)
- Tokyo, JP (1979)
Company Filing History:
6 out of 849 
2 out of 2 Years Active: 1977-1979
Title: Yasuhito Kawahara: Innovator in Camera Technology
Introduction
Yasuhito Kawahara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of photography, particularly in the development of advanced camera technologies. With a total of six patents to his name, Kawahara's work has had a lasting impact on the industry.
Latest Patents
One of Kawahara's latest patents is an exposure indicating device for a single lens reflex camera. This device features a built-in TTL exposure meter that indicates photographic information within the viewfinder using external light. It includes an eye-piece shutter that intercepts the optical system at the eye-piece section. Additionally, a light-emitting element illuminates the photographic information members within the viewfinder. The device is designed to connect the light-emitting element to a power source through switching means when the eye-piece shutter is open, and to the exposure measurement circuit of the TTL exposure meter when the shutter is closed. Another significant patent is for an electronic photoflash unit that functions as a remote control device transmitter. This unit decreases the amount of radiated light when used as a remote control and increases light output when used for flash photography.
Career Highlights
Kawahara has worked with prominent companies in the industry, including Nippon Kogaku K.K. and Sato Koki K.K. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects that enhance photographic technology.
Collaborations
Throughout his career, Kawahara has collaborated with talented individuals such as Yozo Iida and Sunao Ishizaka. These partnerships have fostered creativity and innovation in his work.
Conclusion
Yasuhito Kawahara's contributions to camera technology through his patents and collaborations have significantly advanced the field of photography. His innovative spirit continues to inspire future developments in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.