This inventor holds 2 USPTO granted patents. Top assignee: Mitsui Petrochemical Industries, Ltd.. Active years: 1989-1991.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1989-1991
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile