Chiba, Japan

Katsutoshi Ohta

This inventor holds 2 USPTO granted patents. Top assignees: Dai-Ichi Kogyo Seiyaku Co., Ltd., Other. Active years: 1994-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsutoshi Ohta. Retrieved from https://idiyas.com/inventor/katsutoshi-ohta-uz1a9iq8

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 = 3.4

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1994-2004

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2 patents (USPTO):Explore Patents

Title: Innovations of Katsutoshi Ohta

Introduction

Katsutoshi Ohta is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of polymer technology, holding 2 patents that showcase his innovative approach to materials science. His work focuses on enhancing the durability and functionality of polymers for various applications.

Latest Patents

One of his latest patents is for a pipe comprising an ethylene base polymer. This pipe is designed to withstand high internal pressure and features a maximum residual stress of 0.13 MPa or less. The crystallinity of the polymer ranges from 0.630 to 0.850, with a thickness between 5 to 50 mm. This innovation is particularly suited for large diameter pipes, offering excellent durability, rigidity, and impact resistance.

Another significant patent involves a process for producing a formamide group-containing copolymer. This copolymer serves as a high-molecular weight amino reagent and can be used as a starting material for functional compounds, adhesives, and polymer compatibilizers. The process includes reacting specific compounds to create a copolymer that can undergo hydrolysis to yield a primary amino group.

Career Highlights

Throughout his career, Katsutoshi Ohta has worked with various companies, including Dai-ichi Kogyo Seiyaku Co., Ltd. His expertise in polymer science has allowed him to contribute to advancements in the industry.

Collaborations

Katsutoshi has collaborated with notable coworkers such as Naoki Kitazawa and Hiroshi Hotta. Their combined efforts have led to innovative solutions in polymer technology.

Conclusion

Katsutoshi Ohta's contributions to polymer science through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in materials used in various industries.

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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