Haruo Shibaoka is a notable inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of photographic processing, holding a total of 5 patents. His work has advanced the methods used in both black and white and color photography.

Latest Patents

Shibaoka's latest patents include innovative techniques for photographic processing. One of his key inventions is a reversal processing method for black and white photographic materials. This method involves bleaching an imagewise exposed black and white silver halide photographic light-sensitive material using a bleaching solution that contains at least one oxidizing agent. This agent reacts with the silver images of the exposed material in the presence of bleach accelerating agents. Another significant patent is a color photographic process that utilizes a silver halide photographic material with a dye-forming coupler. This process includes developing the material in a color developer solution that contains specific components, followed by fixing with an acid hardening fix solution.

Career Highlights

Haruo Shibaoka is currently employed at Fuji Photo Film Company, Limited, where he continues to innovate in the field of photography. His work has been instrumental in enhancing the quality and efficiency of photographic processes.

Collaborations

Shibaoka has collaborated with notable coworkers, including Yoshio Idota and Katsumi Hayashi. Their combined expertise has contributed to the advancements in photographic technology.

Conclusion

Haruo Shibaoka's contributions to photographic processing have made a lasting impact on the industry. His innovative patents reflect his dedication to improving photographic techniques and materials.

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