Osaka, Japan

Toru Nakaishi

This inventor holds 4 USPTO granted patents. Top assignee: Koei Chemical Company, Limited. Active years: 1988-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toru Nakaishi. Retrieved from https://idiyas.com/inventor/toru-nakaishi

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 = 3.8

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Osaka, JP (1988 - 1997)
  • Sodegaura, JP (2002)

Company Filing History:


Years Active: 1988-2002

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4 patents (USPTO):Explore Patents

Title: The Innovative Journey of Toru Nakaishi

Introduction: Toru Nakaishi is a distinguished inventor based in Osaka, Japan. With a commendable portfolio of four patents, Nakaishi has made significant contributions to the field of chemical processes. His groundbreaking work primarily focuses on the production of heteroaromatic compounds and pyrazine derivatives, showcasing his innovative approach to chemical synthesis.

Latest Patents: Among his latest patents, Nakaishi has developed a "Method for producing heteroaromatic aldehydes." This process involves the catalytic reaction of alkyl-substituted heteroaromatic compounds with molecular oxygen in a gaseous phase, utilizing a specialized catalyst composed of vanadium, phosphorus, aluminum, and silicon. Remarkably, part or all of the catalyst layer can be diluted with a solid inert material, enhancing the efficiency of the reaction.

Another key patent details a "Process for producing pyrazine compounds." This method allows for the catalytic reaction of a diamine compound with a specific diol compound in the gaseous phase. The process utilizes a catalyst that contains hydrogen-treated silver or a silver-based catalyst in combination with elements such as alkali metals, alkaline earth metals, zinc, and lanthanoid elements, further advancing the production of these valuable compounds.

Career Highlights: Toru Nakaishi has established himself as a vital asset in the field of chemical innovation. He is currently associated with Koei Chemical Company, Limited, where his research and inventions contribute to the company's reputation for advancing chemical technologies. His work has been pivotal in developing efficient processes that enhance the production of critical compounds in the industry.

Collaborations: Working alongside talented colleagues such as Takayuki Shoji and Shinkichi Shimizu, Nakaishi fosters a collaborative environment that encourages innovation and excellence. Together, they contribute to the development of new methodologies and enhance the effectiveness of existing processes within the company.

Conclusion: Toru Nakaishi exemplifies the spirit of innovation through his impressive body of work and patents. His contributions to the production of heteroaromatic and pyrazine compounds not only advance scientific understanding but also have practical applications in various industries. With a bright future ahead, Nakaishi continues to inspire the next generation of inventors and innovators in the field of chemistry.

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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