Kamakura, Japan

Tohr Yamanaka

This inventor holds 3 USPTO granted patents. Top assignee: Takasago Perfumery Co., Ltd.. Active years: 1979-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohr Yamanaka. Retrieved from https://idiyas.com/inventor/tohr-yamanaka

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 = 2.0

ph-index = 2

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1979-1983

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Tohr Yamanaka

Introduction

Tohr Yamanaka is a notable inventor based in Kamakura, Japan. He has made significant contributions to the field of chemistry, particularly in the production of specialized compounds. With a total of three patents to his name, Yamanaka's work has implications in various industrial applications.

Latest Patents

Yamanaka's latest patents include a process for producing polycondensates of .omega.-oxypentadecanoic acid. This process involves hydrogenolysis of 2-tetrahydrofuran-undecanoic acid or an ester thereof, utilizing a mixed catalyst composed of metals from Group VIII of the Periodic Table, copper-chromium, or copper-zinc, along with a solid acid catalyst, all under pressure with hydrogen. Another significant patent is for the production of .omega.-alkene-1-ols, which entails reacting an .alpha.,.omega.-alkanediol with a fatty acid, specifically stearic acid, palmitic acid, or a mixture of both.

Career Highlights

Tohr Yamanaka is currently associated with Takasago Perfumery Co., Ltd., where he applies his expertise in chemical processes. His innovative approaches have contributed to advancements in the production of various chemical compounds, enhancing the company's product offerings.

Collaborations

Yamanaka has collaborated with notable colleagues such as Takashi Imai and Misao Yagi. Their combined efforts in research and development have fostered a creative environment that encourages innovation.

Conclusion

Tohr Yamanaka's contributions to the field of chemistry through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the industry and pave the way for future innovations.

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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