Edogawa, Japan

Shigeru Ichikawa

This inventor holds 1 USPTO granted patent. Top assignee: Daiichi Pharmaceutical Co., Ltd.. Active years: 2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Ichikawa. Retrieved from https://idiyas.com/inventor/shigeru-ichikawa-aag12yar

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 = 5.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2006

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1 patent (USPTO):Explore Patents

Title: The Innovations of Shigeru Ichikawa: A Focus on 2-Azetidinone Derivative Production

Introduction: Shigeru Ichikawa is a notable inventor based in Edogawa-ku, Japan. He has made significant contributions to the field of pharmaceuticals, particularly through his innovative methods for producing chemical compounds. His work exemplifies the intersection of invention and science, particularly in the synthesis of optically active substances.

Latest Patents: Shigeru Ichikawa holds a patent for a method of producing a 2-azetidinone derivative. This patent describes a process where a specific compound undergoes treatment with an enzyme that can asymmetrically hydrolyze an ester. The result is the formation of a novel compound represented by a defined chemical formula. This method is notable for its efficiency, allowing the production of optically active 2-azetidinone derivatives in significant quantities and at a low cost.

Career Highlights: Ichikawa is associated with Daiichi Pharmaceutical Co., Ltd., a prominent player in the pharmaceutical industry. His role in the company contributes to advancements in drug development and synthesis, demonstrating his commitment to pushing the boundaries of pharmaceutical innovations.

Collaborations: Throughout his career, Shigeru Ichikawa has worked alongside talented colleagues, including Kouji Sato and Tsutomu Yagi. These collaborations emphasize the importance of teamwork in driving forward the innovative processes and ideas within the pharmaceutical sector.

Conclusion: Shigeru Ichikawa’s contributions to the field of pharmaceuticals, particularly through his patented method for producing 2-azetidinone derivatives, highlight the impactful role of inventors in advancing scientific knowledge and practical applications. His work not only benefits his company but also contributes to the broader field of pharmaceutical research and innovation.

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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