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For the Inventor, By the Inventor

Otake, Japan

Seigo Watanabe

This inventor holds 8 USPTO granted patents. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 1994-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seigo Watanabe. Retrieved from https://idiyas.com/inventor/seigo-watanabe-nb3np69w

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 = 100.0

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 78(Granted Patents)


Location History:

  • Hiroshima, JP (2005)
  • Otake, JP (1994 - 2007)

Company Filing History:

goldMedal8 out of 1,357 
 
Mitsubishi Rayon Company, Limited
 patents

Years Active: 1994-2007

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8 patents (USPTO):Explore Patents
1. 7217836 - Process for producing (meth)acrolein and/or (meth)acrylic acid (2007-05-15),
2. 6969774 - Method for producing methacrylic acid (2005-11-29),
3. 6930201 - Process for producing methacrylic acid (2005-08-16),
4. 6346646 - Process for producing methacrolein and methacrylic acid (2002-02-12),
5. 5856259 - Preparation process of supported catalyst for the synthesis of (1999-01-05),
6. 5532199 - Carrier-supported catalyst for the synthesis of unsaturated aldehydes (1996-07-02),
7. 5491258 - Molded catalyst or supported catalyst for synthesizing methacrolein and (1996-02-13),
8. 5349092 - Process for producing catalysts for synthesis of unsaturated aldehydes (1994-09-20),

Title: Seigo Watanabe: Innovator in Chemical Production

Introduction

Seigo Watanabe is a prominent inventor based in Otake, Japan. He has made significant contributions to the field of chemical production, particularly in the synthesis of (meth)acrolein and (meth)acrylic acid. With a total of eight patents to his name, Watanabe's work has had a substantial impact on the industry.

Latest Patents

Watanabe's latest patents include innovative methods for producing (meth)acrolein and (meth)acrylic acid. One notable patent describes a process that involves subjecting isobutylene or propylene to vapor-phase catalytic oxidation with molecular oxygen in the presence of a solid oxidation catalyst. This method allows for the production of (meth)acrolein and (meth)acrylic acid with a high yield by effectively controlling the temperature of the hot-spot zone. Another patent outlines a method for synthesizing methacrylic acid using a fixed bed tube type reactor, ensuring that temperature differences within the catalyst bed are minimized to enhance yield.

Career Highlights

Watanabe is currently employed at Mitsubishi Rayon Company, Limited, where he continues to develop and refine his innovative processes. His expertise in chemical engineering and catalysis has positioned him as a key figure in the advancement of production techniques in the industry.

Collaborations

Watanabe has collaborated with notable colleagues such as Motomu Oh-Kita and Hitoshi Yoshioka. Their combined efforts have contributed to the successful development of various chemical production methods.

Conclusion

Seigo Watanabe's contributions to the field of chemical production through his innovative patents and collaborative efforts highlight his importance as an inventor. His work continues to influence the industry and pave the way for future advancements in chemical synthesis.

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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