Kitakyushu, Japan

Ryoichi Yamanaka

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Kyoritsu Yuki Co., Ltd., Mitsubishi Chemical Industries Limited. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoichi Yamanaka. Retrieved from https://idiyas.com/inventor/ryoichi-yamanaka

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 = 6(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Ryoichi Yamanaka

Introduction

Ryoichi Yamanaka is a notable inventor hailing from Kitakyushu, Japan. He holds a significant patent that showcases his contribution to the field of polymer technology. His work is particularly focused on improving processes related to water-soluble polymers, which are widely used in various industries.

Latest Patents

Yamanaka's patent is titled "Process for removing water from water soluble polymer." This invention details an enhanced method for extracting water from aqueous gels made from water-soluble polymers, including copolymers of acrylamide and quaternary ammonium salts of dialkylaminoalkylmethacrylate. The innovative process involves adding polyhydric phenols, benzoquinones, or their derivatives before the removal of water, which significantly prevents the deterioration of the polymer's properties. This advancement is crucial for maintaining the integrity of materials used in various applications.

Career Highlights

Throughout his career, Ryoichi Yamanaka has worked with esteemed companies such as Kyoritsu Yuki Co., Ltd. and Mitsubishi Chemical Industries Limited. His tenure at these organizations has allowed him to develop and refine his skills in polymer science, ultimately leading to his patented invention.

Collaborations

Yamanaka's work has been enriched by collaborations with professionals in the field, including his coworkers Atsuo Tago and Susumu Matsumoto. Their combined expertise has contributed to the successful development of innovative technologies in polymer processing.

Conclusion

Ryoichi Yamanaka stands out as a prominent innovator in the realm of polymer technology. His patent addressing the removal of water from water-soluble polymers proves his commitment to enhancing industrial processes. With a solid foundation in reputable companies and valuable collaborations, Yamanaka continues to influence the evolution of material science and engineering.

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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