Tokyo, Japan

Koji Ishizu

This inventor holds 1 USPTO granted patent and 1 published patent application and 2 EPO patents. Top assignees: Nissan Chemical Industries Limited, Tokyo Institute of Technology. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Ishizu. Retrieved from https://idiyas.com/inventor/koji-ishizu

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 1 

% Patents Active = 100.0


Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2012

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1 patent (USPTO):Explore Patents

Title: The Innovations of Koji Ishizu

Introduction

Koji Ishizu, an accomplished inventor based in Tokyo, Japan, has made significant strides in the field of polymer chemistry. His innovative approach has led to the development of a unique hyperbranched polymer, which showcases his prowess in understanding and manipulating the properties of materials at the molecular level.

Latest Patents

Ishizu holds one patent for his groundbreaking creation, titled "Hyperbranched Polymer and Process for Production Thereof." This novel hyperbranched polymer features a refractive index that can be precisely controlled without losing its distinct hyperbranched structure. Furthermore, Ishizu's invention offers an optically and thermally stable polymer where the desired refractive index is mastered through a specific production process. This hyperbranched polymer consists of a repeating unit structure derived from a combination of two dithiocarbamate compounds, both characterized by vinyl groups, used at the polymerization initiation stage. An exemplary method for creating this polymer involves a living radical polymerization of N,N-diethyldithiocarbamylmethylstyrene in the presence of N,N-diethyldithiocarbamylethyl methacrylate.

Career Highlights

Throughout his career, Koji Ishizu has worked with notable institutions that have complemented his research endeavors. He has been associated with Nissan Chemical Industries Limited, where his expertise in polymer production has contributed to advancements within the chemical industry. Additionally, his tenure at the Tokyo Institute of Technology has allowed him to engage in cutting-edge research, further solidifying his reputation as a pioneer in polymer science.

Collaborations

Ishizu's journey in the field of innovation has been enriched by collaborations with several esteemed colleagues, including Hiroki Takemoto and Masaaki Ozawa. These partnerships have fostered creativity and knowledge sharing, leading to significant advancements in understanding hyperbranched polymers and their applications.

Conclusion

Koji Ishizu's contributions to the field of polymer chemistry, particularly his innovative hyperbranched polymer, underscore the importance of research and development in pushing the boundaries of material science. His work serves as a testament to the potential of polymers in various applications, inspiring future innovations in the industry.

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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