Kanagawa, Japan

Koji Matsuo

This inventor holds 4 USPTO granted patents. Top assignee: Fuji Photo Film Company, Limited. Active years: 1991-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Matsuo. Retrieved from https://idiyas.com/inventor/koji-matsuo-op4li0qm

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 24(Granted Patents)


Company Filing History:


Years Active: 1991-1998

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4 patents (USPTO):Explore Patents

Title: Koji Matsuo: Innovator in Photographic Processing Solutions

Introduction

Koji Matsuo is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of photographic processing, holding a total of 4 patents. His work focuses on innovative methods for treating photographic waste solutions, which is crucial for environmental sustainability in the photography industry.

Latest Patents

Matsuo's latest patents include a process for treating photographic processing waste solution. This process involves treating a photographic waste liquid that contains used processing liquid from steps that have bleaching or fixing abilities. The method comprises adding a polymer-complex-forming agent to the waste liquid in an amount ranging from 0.5 to 4 equivalents to a metal contained in the waste liquid. This results in the formation of a polymer-metal complex, which can then be filtered off using a mono-membrane filter with a pore size of 0.05 to 10 micrometers, effectively removing the metal. Additionally, a device for practicing this process is also disclosed in his patents.

Career Highlights

Koji Matsuo is associated with Fuji Photo Film Company, Limited, where he has been instrumental in developing innovative solutions for photographic processing. His expertise in this area has led to advancements that not only improve processing efficiency but also address environmental concerns related to waste management.

Collaborations

Matsuo has collaborated with notable colleagues such as Takashi Nakamura and Masaki Okazaki. Their combined efforts have contributed to the development of effective solutions in the field of photographic processing.

Conclusion

Koji Matsuo's contributions to photographic processing through his innovative patents highlight his commitment to improving environmental practices in the industry. His work continues to influence the field and sets a standard for future innovations.

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]
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