This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Mitsubishi Paper Mills Limited. Active years: 1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1997
Title: Innovations by Yukinao Kawamata
Introduction
Yukinao Kawamata is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of photographic development. His innovative methods have improved the efficiency and quality of photographic processing.
Latest Patents
Kawamata holds a patent for a method of photographic development that utilizes a filter to inhibit the occurrence of silver sludges. This method involves developing silver halide photographic photosensitive materials with a developer containing sulfite. The developer must include 20 mol % or more of potassium ion based on the total alkali metal ions, along with a bromine ion or a specific compound. The process is particularly effective when using an automatic processor, as it prevents staining of the roll and belt of the processors.
Career Highlights
Kawamata is associated with Mitsubishi Paper Mills Limited, where he has applied his expertise in photographic technology. His work has been instrumental in advancing the methods used in photographic development.
Collaborations
He has collaborated with notable coworkers, including Hideto Kiyama and Tamotu Iwata, contributing to various projects within the company.
Conclusion
Yukinao Kawamata's innovative methods in photographic development have made a lasting impact on the industry. His patent reflects a significant advancement in the processing of photographic materials, showcasing his expertise and dedication to innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile