Iwakuni, Japan

Koichi Yamada

This inventor holds 1 USPTO granted patent. Top assignee: Mitsui Petrochemical Industries, Ltd.. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Yamada. Retrieved from https://idiyas.com/inventor/koichi-yamada-gvkyjknm

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 = 3.0

ph-index = 1

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: Koichi Yamada: Innovator in Resin Technology

Introduction

Koichi Yamada is a notable inventor based in Iwakuni, Japan. He has made significant contributions to the field of resin technology, particularly in the preparation of resins for use in printing inks. His innovative approach has led to the development of a unique process that enhances the quality and efficiency of printing materials.

Latest Patents

Yamada holds a patent for a process for preparing resins for use in printing ink. This process involves co-polymerizing at least 50% by weight of dicyclopentadiene with another cationically polymerizable monomer, utilizing a Friedel-Crafts polymerization catalyst. Additionally, he incorporates 1 to 20% by weight of an α,β-unsaturated carboxylic acid or its anhydride into the resulting copolymer, followed by partial esterification with a polyhydric alcohol. This innovative method has the potential to improve the performance of printing inks significantly. He has 1 patent to his name.

Career Highlights

Koichi Yamada is associated with Mitsui Petrochemical Industries, Ltd., where he has been able to apply his expertise in resin technology. His work has contributed to advancements in the chemical industry, particularly in the development of high-quality printing materials.

Collaborations

Yamada has collaborated with notable colleagues such as Teijiro Morimoto and Yoshioki Yoshioka. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Koichi Yamada's contributions to resin technology and his innovative patent demonstrate his commitment to advancing the field. His work continues to influence the development of printing inks, showcasing the importance of innovation in the chemical 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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