Tokyo, Japan

Masatoshi Chiba

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Pharma Corporation. Active years: 2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatoshi Chiba. Retrieved from https://idiyas.com/inventor/masatoshi-chiba

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 = 3.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 2007

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1 patent (USPTO):Explore Patents

Title: Masatoshi Chiba: Innovator in Pharmaceutical Solutions

Introduction

Masatoshi Chiba is a prominent inventor based in Tokyo, Japan. He is known for his significant contributions to the field of pharmaceuticals, particularly in the development of stable high-concentration injections.

Latest Patents

Chiba holds a patent for a "Stable high-concentration injection containing pyrazolone derivative." This innovative injection features a pyrazolone derivative, typically Edaravone, as the active ingredient. The formulation includes a physiologically acceptable salt or a hydrate or solvate of either in an amount ranging from 3 to 60 mg/mL. This invention is noted for its excellent long-term stability, product storage, and suitability for use.

Career Highlights

Masatoshi Chiba is associated with Mitsubishi Pharma Corporation, where he has made significant strides in pharmaceutical research and development. His work has contributed to advancements in medication stability and efficacy.

Collaborations

Chiba has collaborated with notable colleagues, including Hiroshi Yoshida and Naoki Matsuo, to further enhance the impact of his inventions in the pharmaceutical industry.

Conclusion

Masatoshi Chiba's innovative work in developing stable pharmaceutical injections showcases his dedication to improving medical solutions. His contributions continue to influence the field positively.

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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