Nagano, Japan

Yumiko Ichikawa

This inventor holds 2 USPTO granted patents. Top assignees: Kotobuki Seiyaku Co. Ltd., Kotokuki Seiya Kau Co., Ltd.. Active years: 1988.

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

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 = 3.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1988

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2 patents (USPTO):Explore Patents

Title: Yumiko Ichikawa: Innovator in Antihypertensive Compounds

Introduction

Yumiko Ichikawa is a prominent inventor based in Nagano, Japan. She has made significant contributions to the field of pharmaceuticals, particularly in the development of antihypertensive agents. With a total of two patents to her name, her work has the potential to impact the treatment of hypertension.

Latest Patents

Yumiko Ichikawa's latest patents include innovative compounds that serve as antihypertensive agents. The first patent focuses on 1,5-benzothiazepine derivatives and compositions thereof. This new series of compounds is represented by a specific general formula, wherein R1, R2, and R3 can represent various groups such as hydrogen, lower alkyl, nitro, amino, lower-alkyl-oxy, or halogen. These compounds are particularly useful in managing high blood pressure. The second patent involves new quinazoline derivatives, which are also represented by a specific formula. These compounds have various functional groups that enhance their efficacy as antihypertensive agents.

Career Highlights

Throughout her career, Yumiko Ichikawa has worked with notable companies, including Kotobuki Seiyaku Co. Ltd. and Kotokuki Seiya Kau Co., Ltd. Her experience in these organizations has contributed to her expertise in pharmaceutical innovation and development.

Collaborations

Yumiko has collaborated with esteemed colleagues such as Tsuyoshi Tomiyama and Tomoyuki Kawai. These partnerships have likely enriched her research and development efforts in the field of antihypertensive medications.

Conclusion

Yumiko Ichikawa stands out as an influential inventor in the pharmaceutical industry, particularly in the development of antihypertensive agents. Her innovative patents and collaborations reflect her commitment to advancing medical science and improving patient care.

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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