This inventor holds 1 USPTO granted patent. Top assignee: Kyowa Pharma Chemical Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Ikumi Shimokawa: Inventor in Chemical Production
Introduction
Ikumi Shimokawa is an inventor associated with Takaoka, Japan, and Kyowa Pharma Chemical Co., Ltd. Her patent work concerns methods for producing sulfur- and selenium-containing compounds.
Latest Patents
The supplied information lists one patent for Shimokawa: “Method for Producing Trisulfide Compound or Selenotrisulfide Compound.” The disclosed method first oxidizes a disulfide compound to obtain a sulfoxide compound. It then reacts the sulfoxide with a sulfur or selenium source to produce a trisulfide or selenotrisulfide compound. Shimokawa is credited with 1 patent.
Career Highlights
Shimokawa’s listed invention focuses on a chemical production process that uses sequential oxidation and reaction steps. The supplied information associates her work with Kyowa Pharma Chemical Co., Ltd.
Collaborations
Shoichiro Tomonaga is identified as Shimokawa’s coworker. The supplied information does not specify their roles in the patent or describe any particular collaboration.
Conclusion
Ikumi Shimokawa’s listed patent documents a method for producing trisulfide and selenotrisulfide compounds, reflecting her contribution to chemical-process innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile