Iwakuni, Japan

Noriake Ohishi

This inventor holds 2 USPTO granted patents. Top assignee: Mitsui Petrochemical Industries, Ltd.. Active years: 1989-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noriake Ohishi. Retrieved from https://idiyas.com/inventor/noriake-ohishi

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 = 3.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1989-1991

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2 patents (USPTO):Explore Patents

Title: Noriake Ohishi: Innovator in Cellulose Film Technology

Introduction

Noriake Ohishi is a notable inventor based in Iwakuni, Japan. He has made significant contributions to the field of cellulose film technology, holding a total of 2 patents. His work focuses on the preparation of cellulose ester films, which are essential in various applications due to their excellent optical properties.

Latest Patents

Ohishi's latest patents include innovative processes for the preparation of cellulose nitrate and cellulose ester films. The first patent discloses a method that involves dissolving a cellulose ester in an organic solvent, coating the solution on a substrate under rotation, and peeling the film formed on the substrate. A second organic solvent, which is compatible with the first and acts as a poor solvent for the cellulose ester, is added to precipitate a high molecular weight cellulose ester. This process results in films that exhibit excellent thickness uniformity and are free from color nonuniformity or streaks. The second patent mirrors this process, emphasizing the same innovative techniques and benefits.

Career Highlights

Noriake Ohishi is currently associated with Mitsui Petrochemical Industries, Ltd., where he continues to advance his research and development in cellulose film technology. His work has garnered attention for its practical applications and contributions to the industry.

Collaborations

Ohishi has collaborated with notable colleagues, including Hiroaki Nakagawa and Masahiro Kondo. Their combined expertise has further enhanced the innovative processes developed in their field.

Conclusion

Noriake Ohishi's contributions to cellulose film technology through his patents and collaborations highlight his role as a significant inventor in this domain. His innovative processes continue to impact the industry positively.

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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