Ageo, Japan

Tunehiko Ohya

This inventor holds 1 USPTO granted patent. Top assignee: Nissan Chemical Industries Limited. Active years: 1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tunehiko Ohya. Retrieved from https://idiyas.com/inventor/tunehiko-ohya

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 = 7.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1984

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1 patent (USPTO):Explore Patents

Title: Innovator Spotlight: Tunehiko Ohya

Introduction: Tunehiko Ohya, an inventive mind based in Ageo, Japan, has made significant contributions to the field of herbicidal technology. With a patented invention that showcases his expertise, Ohya stands out as a dedicated inventor at Nissan Chemical Industries Limited.

Latest Patents: Tunehiko Ohya holds a patent for N-(Unsubstituted or substituted pyridyl)aminomethylene-diphosphonic acids. This innovative compound is represented by the formula: ##STR1##. Notably, the patent addresses herbicidal effects that are effective on postemergence of plants while demonstrating selective inactivity against cotton plants. This dual functionality positions his invention as a valuable asset in agricultural practices.

Career Highlights: Throughout his career, Ohya has been involved with Nissan Chemical Industries Limited, a leader in providing high-quality chemical products. His dedication to research and development has led to advancements in agricultural chemistry, marking him as a respected figure in his field.

Collaborations: Ohya's work has also been enriched by collaboration with esteemed colleagues, including Fumio Suzuki and Yoshihiro Fujikawa. Their collective efforts have propelled innovations and contributed to the progress in herbicidal applications.

Conclusion: With a focus on innovative solutions in agriculture, Tunehiko Ohya exemplifies the spirit of invention. His patented technology not only showcases his individual brilliance but also highlights the importance of collaboration in the scientific community. As the agricultural sector evolves, innovations like those from Ohya will play a crucial role in shaping sustainable practices.

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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