Nagareyama, Japan

Takehiko Ishii

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Shin-Etsu Chemical Co., Ltd.. Active years: 2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takehiko Ishii. Retrieved from https://idiyas.com/inventor/takehiko-ishii-pih42ujr

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 = 6.0

ph-index = 1


Company Filing History:


Years Active: 2021

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1 patent (USPTO):Explore Patents

Title: Takehiko Ishii: Innovator in Amino Acid Purification

Introduction

Takehiko Ishii is a notable inventor based in Nagareyama, Japan. He has made significant contributions to the field of chemistry, particularly in the purification of amino acid-n-carboxy anhydrides (NCA). His innovative methods have the potential to enhance the quality of chemical products in various applications.

Latest Patents

Takehiko Ishii holds a patent for a method for purifying an amino acid-n-carboxy anhydride. This method involves several steps, including dissolving contaminated NCA in a suitable solvent, adding an acidic filter aid to trap impurities, and crystallizing the purified NCA from a poor solvent. This process allows for the convenient purification of low-purity NCA, resulting in high-purity NCA.

Career Highlights

Ishii is currently employed at Shin-Etsu Chemical Co., Ltd., where he continues to work on innovative solutions in the chemical industry. His expertise in purification methods has positioned him as a valuable asset to his company and the broader scientific community.

Collaborations

Some of his coworkers include Yuki Suka and Yuji Harada, who contribute to the collaborative efforts in research and development at Shin-Etsu Chemical Co., Ltd.

Conclusion

Takehiko Ishii's work in the purification of amino acid-n-carboxy anhydrides exemplifies the impact of innovative thinking in the chemical industry. His contributions are paving the way for advancements in product quality and efficiency.

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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