Ohimachi, Japan

Kunio Sugawara

This inventor holds 1 USPTO granted patent. Top assignees: Daicel Chemical Industries, Ltd., Sapporo Breweries Limited, Other. Active years: 1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunio Sugawara. Retrieved from https://idiyas.com/inventor/kunio-sugawara

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 = 2(Granted Patents)


Company Filing History:


Years Active: 1984

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1 patent (USPTO):Explore Patents

Title: Kunio Sugawara: Innovator in Antitumor Substances

Introduction

Kunio Sugawara is a notable inventor from Ohimachi, Japan, recognized for his contributions to the field of antitumor substances. His innovative work has led to the development of a new substance derived from rice that exhibits significant antitumor activity.

Latest Patents

Sugawara holds a patent for an antitumor substance, which is obtained from the epidermal portion of rice. This substance, referred to as RBF-P, is created by adding ethanol to an aqueous alkaline extract of rice bran, followed by the removal of insolubles and precipitation through acid addition. The active components of this substance include RBF-PM, a protein with minimal cystine that can suppress solid cancers in mice, and RBF-X, which is a mixture of hexane-soluble fatty acids and a hexane-insoluble component known as RBF-H. The combination of RBF-H and fatty acids demonstrates a synergistic suppressive action on ascites hepatoma in mice.

Career Highlights

Throughout his career, Kunio Sugawara has worked with prominent companies such as Sapporo Breweries Limited and Daicel Chemical Industries, Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions in the field of biochemistry.

Collaborations

Sugawara has collaborated with notable coworkers, including Tsuyoshi Morinaga and Kimitoshi Kawai. Their joint efforts have further advanced the research and development of antitumor substances.

Conclusion

Kunio Sugawara's innovative work in the field of antitumor substances highlights the potential of natural resources in cancer treatment. His contributions continue to inspire further research and development in this critical area of health.

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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