Yokohama, Japan

Takao Higashiyama

This inventor holds 2 USPTO granted patents. Top assignees: Diamond Shamrock Corporation, Nippon Dacro Shamrock Co., Ltd.. Active years: 1981-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Higashiyama. Retrieved from https://idiyas.com/inventor/takao-higashiyama

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 = 2

Forward Citations = 21(Granted Patents)


Company Filing History:


Years Active: 1981-1992

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2 patents (USPTO):Explore Patents

Title: Takao Higashiyama: Innovator in Anticorrosion Coating Technologies

Introduction

Takao Higashiyama is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of anticorrosion coatings, holding a total of 2 patents. His work focuses on improving the performance and safety of coating compositions used in various environments.

Latest Patents

Higashiyama's latest patents include an improved anticorrosion coating composition. This composition is characterized by the replacement of a portion of the chromic acid compound with a water-soluble nickel and/or cobalt compound. This innovation results in better corrosion protection performance in severe environments while reducing the content of harmful hexavalent chromium. Another patent involves an anticorrosive coating composition that replaces part of the chromic acid constituent with a boric acid component. The resulting coatings exhibit excellent corrosion-resistant properties in both fresh and saltwater environments.

Career Highlights

Throughout his career, Takao Higashiyama has worked with prominent companies such as Diamond Shamrock Corporation and Nippon Dacro Shamrock Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative coating technologies.

Collaborations

Higashiyama has collaborated with notable coworkers, including Toshio Nishikawa and Michiaki Nakazato. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Takao Higashiyama's contributions to anticorrosion coating technologies demonstrate his commitment to innovation and safety in industrial applications. His patents reflect a significant advancement in the field, showcasing his expertise and dedication to improving corrosion protection methods.

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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