San Francisco, CA, United States of America

Ralph Yamamoto

This inventor holds 1 USPTO granted patent. Top assignee: Cetus Corporation. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ralph Yamamoto. Retrieved from https://idiyas.com/inventor/ralph-yamamoto-akltkygq

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 = 2.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Ralph Yamamoto: Innovator in Biochemical Purification

Introduction

Ralph Yamamoto is a notable inventor based in San Francisco, CA. He has made significant contributions to the field of biochemistry, particularly in the purification of tumor necrosis factor (TNF). His innovative methods have the potential to enhance the efficiency of TNF production, which is crucial for various medical applications.

Latest Patents

Ralph Yamamoto holds a patent for a purification method for tumor necrosis factor. This improved method focuses on purifying recombinantly produced TNF in bacteria. The process employs a hydrophobic support in a chromatographic column, which is then developed, preferably by high-performance liquid chromatography (HPLC). Preliminary purifications using anion exchange resins are also beneficial in this method. He has 1 patent to his name.

Career Highlights

Yamamoto has worked at Cetus Corporation, where he has been able to apply his expertise in biochemical processes. His work has contributed to advancements in the production and purification of important biological compounds.

Collaborations

Ralph Yamamoto has collaborated with various professionals in his field, including his coworker Leo S Lin. Their combined efforts have led to innovative solutions in biochemical research.

Conclusion

Ralph Yamamoto's contributions to the purification of tumor necrosis factor highlight his role as an innovator in biochemistry. His work continues to influence the field and pave the way for future advancements.

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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