Yokohama, Japan

Hideyuki Ichihana

This inventor holds 2 USPTO granted patents. Top assignee: Teijin Chemicals Limited. Active years: 1987-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideyuki Ichihana. Retrieved from https://idiyas.com/inventor/hideyuki-ichihana

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 = 3.4

ph-index = 1

Forward Citations = 5(Granted Patents)


Location History:

  • Matsuyama, JP (1987)
  • Yokohama, JP (1993)

Company Filing History:


Years Active: 1987-1993

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2 patents (USPTO):Explore Patents

Title: The Innovations of Hideyuki Ichihana

Introduction

Hideyuki Ichihana is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of polycarbonate production, holding a total of 2 patents. His work focuses on improving the efficiency and quality of polycarbonate materials.

Latest Patents

Ichihana's latest patents include a process for the continuous production of polycarbonate oligomer. This innovative process allows for the production of a polycarbonate oligomer continuously by feeding an aqueous alkali solution of a dihydric phenol and phosgene into a tower-type reactor. The reaction occurs without the use of any organic solvent, resulting in a stable quality oligomer produced with a simple apparatus. Another significant patent is for a mixed polycarbonate resin composition. This composition consists of a blend of polycarbonate resins derived from different sources, which enhances impact strength and melt flowability while maintaining excellent transparency and heat deformation resistance.

Career Highlights

Ichihana is currently employed at Teijin Chemicals Limited, where he continues to innovate in the field of polymer chemistry. His work has been instrumental in advancing the production techniques of polycarbonate materials.

Collaborations

Ichihana has collaborated with notable coworkers such as Noboru Yamanishi and Koji Hashimoto. Their combined expertise has contributed to the successful development of innovative solutions in their field.

Conclusion

Hideyuki Ichihana's contributions to polycarbonate production demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material science and a dedication to improving industrial processes.

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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