Shizuoka, Japan

Kohji Ohishi

This inventor holds 1 USPTO granted patent. Top assignee: Polyplastics Co., Ltd.. Active years: 1989.

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

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 = 3.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Kohji Ohishi: Innovator in Polyester Production

Introduction

Kohji Ohishi is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of polymer science, particularly in the production of high-quality polyester. His innovative approach has led to advancements in manufacturing processes that enhance the quality of polyester products.

Latest Patents

Kohji Ohishi holds a patent for a process for producing polyester. This process involves stirring the polycondensation reaction mixture in a manner that reduces the stirring rate continuously in a stepwise fashion. This adjustment corresponds to an increase in melt viscosity as the reaction progresses. The goal is to maintain a substantially constant stirring load after the viscosity of the reaction system reaches an arbitrary value between 20 and 800 P until the reaction is complete.

Career Highlights

Ohishi is associated with Polyplastics Co., Ltd., where he has applied his expertise in polymer production. His work has been instrumental in improving the efficiency and quality of polyester manufacturing. His innovative techniques have set new standards in the industry.

Collaborations

Kohji Ohishi has collaborated with notable colleagues, including Minoru Akiyama and Ryuichi Sekita. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Kohji Ohishi's contributions to polyester production exemplify the impact of innovation in the field of polymer science. His patented process not only enhances product quality but also demonstrates the importance of continuous improvement in manufacturing techniques.

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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