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For the Inventor, By the Inventor

Saijo, Japan

Koichi Nagai

This inventor holds 8 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1981-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Nagai. Retrieved from https://idiyas.com/inventor/koichi-nagai-v0oln2ac

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 8

% Patents Active = 87.5

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 49(Granted Patents)


Location History:

  • Ehime, JP (1991)
  • Niihama, JP (1981 - 2009)
  • Saijo, JP (2012 - 2013)

Company Filing History:

goldMedal8 out of 6,961 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1981-2013

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8 patents (USPTO):Explore Patents
1. 8586786 - Method for producing catalyst for use in production of unsaturated aldehyde and/or unsaturated carboxylic acid, and method for producing unsaturated aldehyde and/or unsaturated carboxylic acid (2013-11-19),
2. 8252714 - Method for producing catalyst for use in production of unsaturated aldehyde and/or unsaturated carboxylic acid, and method for producing unsaturated aldehyde and/or unsaturated carboxylic acid (2012-08-28),
3. 7612007 - Process for regenerating catalyst (2009-11-03),
4. 5602280 - Process for production of unsaturated aldehyde and unsaturated (1997-02-11),
5. 5030776 - Process for producing nitrobenzenes (1991-07-09),
6. 5004846 - Process for producing nitrobenzenes (1991-04-02),
7. 4565801 - Heteropoly-acids and their production and use (1986-01-21),
8. 4306088 - Production of methacrolein (1981-12-15),

Koichi Nagai: Innovator in Catalyst Production

Introduction

Koichi Nagai is a distinguished inventor based in Saijo, Japan, known for his significant contributions to the field of catalyst production. With a total of eight patents to his name, Nagai's work primarily focuses on methods that enhance the efficiency and effectiveness of producing unsaturated aldehydes and carboxylic acids.

Latest Patents

Nagai's latest patents include innovative methods for producing catalysts that are essential in the synthesis of unsaturated aldehydes and/or unsaturated carboxylic acids. These catalysts are composed of a mixed oxide that includes molybdenum, bismuth, and iron. Notably, these catalysts are designed to possess improved mechanical strength. The production method involves several key steps: First, an aqueous solution or slurry containing the catalyst's raw materials is dried and calcined in a molecular oxygen environment. Next, the calcined product is heated in the presence of a reducing agent, resulting in a reduced product with a controlled mass loss. Finally, this reduced product is calcined again in a molecular oxygen atmosphere to complete the catalyst preparation.

Career Highlights

Koichi Nagai is currently affiliated with Sumitomo Chemical Company, Limited, where he continues to develop and refine innovative solutions in catalyst technology. His career is marked by a commitment to advancing chemical processes and enhancing production efficiencies.

Collaborations

Throughout his career, Nagai has collaborated with esteemed colleagues such as Yoshihiko Nagaoka and Naoki Miura. These partnerships have fostered a rich environment for innovation, allowing them to combine their expertise to tackle complex challenges in chemical engineering and catalysis.

Conclusion

Koichi Nagai's contributions to catalyst production underscore the importance of innovation in the chemical industry. With his impressive portfolio of patents and collaborations, he continues to pave the way for advancements that significantly impact the synthesis of valuable chemical compounds.

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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