Shinnanyo, Japan

Tadao Ohnaka

This inventor holds 1 USPTO granted patent. Top assignee: Tosoh Corporation. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadao Ohnaka. Retrieved from https://idiyas.com/inventor/tadao-ohnaka-7lt3y9ex

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 = 44(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Tadao Ohnaka: Innovator in Chromatography Packing Materials

Introduction

Tadao Ohnaka is a notable inventor based in Shinnanyo, Japan. He has made significant contributions to the field of chromatography, particularly in the development of packing materials. His innovative work has led to the creation of a unique packing material that enhances the efficiency of reversed phase chromatography.

Latest Patents

Ohnaka holds a patent for a packing material for reversed phase chromatography. This material comprises silica gel that is substantially coated with repeating units of a polycarbosilane. The formula includes specific groups such as an octyl group, an octadecyl group, or a phenyl group, which contribute to its effectiveness in chromatography applications. He has 1 patent to his name.

Career Highlights

Tadao Ohnaka is associated with Tosoh Corporation, a company known for its advancements in chemical and material sciences. His work at Tosoh has allowed him to focus on innovative solutions in chromatography, making significant strides in the industry.

Collaborations

Ohnaka has collaborated with notable colleagues, including Katsuo Komiya and Hiroyuki Moriyama. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies in their field.

Conclusion

Tadao Ohnaka's contributions to chromatography through his innovative packing materials have established him as a key figure in the industry. His work continues to influence advancements in chemical processes and materials science.

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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