Otsu, Japan

Teruaki Tsujikawa

This inventor holds 3 USPTO granted patents. Top assignee: Fuji Photo Film Company, Limited. Active years: 1982-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Teruaki Tsujikawa. Retrieved from https://idiyas.com/inventor/teruaki-tsujikawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 3

Forward Citations = 28(Granted Patents)


Location History:

  • Otsu, JP (1982 - 1983)
  • Shiga, JP (1985)

Company Filing History:


Years Active: 1982-1985

Loading Chart...
3 patents (USPTO):Explore Patents

Title: Teruaki Tsujikawa: Innovator in Photographic Processing

Introduction

Teruaki Tsujikawa is a notable inventor based in Otsu, Japan. He has made significant contributions to the field of photographic processing, particularly in the development of environmentally friendly methods. With a total of 3 patents to his name, Tsujikawa's work has had a lasting impact on the industry.

Latest Patents

One of Tsujikawa's latest patents is a method for processing color photographic light-sensitive material. This innovative method involves subjecting an exposed silver halide color photographic light-sensitive material to color development processing, followed by bleaching and fixing processing. The process utilizes a ferric ion complex salt or a persulfate as a bleaching agent, ensuring that no harmful materials are produced, thus protecting the environment. Another significant patent is a process for development-processing silver halide light-sensitive material, which prevents the generation of silver sludge and fog during processing. This is achieved by using a developing solution containing a high concentration of sulfite ions.

Career Highlights

Tsujikawa is currently employed at Fuji Photo Film Company, Limited, where he continues to innovate in photographic technology. His work has been instrumental in advancing the efficiency and safety of photographic processing methods.

Collaborations

Throughout his career, Tsujikawa has collaborated with esteemed colleagues such as Tadao Shishido and Shinzo Kishimoto. These partnerships have fostered a creative environment that has led to groundbreaking advancements in the field.

Conclusion

Teruaki Tsujikawa's contributions to photographic processing highlight his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of the complexities involved in photographic technology, making him a key figure in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…