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For the Inventor, By the Inventor

Aichi, Japan

Seiya Koyanagi

This inventor holds 7 USPTO granted patents. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 1992-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiya Koyanagi. Retrieved from https://idiyas.com/inventor/seiya-koyanagi

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 5

Forward Citations = 71(Granted Patents)


Location History:

  • Hiroshima, JP (1992)
  • Otake, JP (1994 - 1998)
  • Aichi, JP (2001 - 2002)

Company Filing History:

goldMedal7 out of 1,357 
 
Mitsubishi Rayon Company, Limited
 patents

Years Active: 1992-2002

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7 patents (USPTO):Explore Patents
1. 6451910 - Acrylic premix, acrylic artificial marble and production method thereof (2002-09-17),
2. 6323259 - Acrylic resin composition, acrylic premix, process for producing acrylic artificial marble and thickening agent (2001-11-27),
3. 6316548 - (Meth)acrylic premix, (meth)acrylic SMC or BMC, and process producing (meth)acrylic artificial marble (2001-11-13),
4. 6265467 - Acrylic SMC or BMC, production thereof, method for producing acrylic artificial marble, and thickening agent (2001-07-24),
5. 5746916 - Microporous membrane made of non-crystalline polymers and method of (1998-05-05),
6. 5356754 - Crosslinking curable resin composition (1994-10-18),
7. 5149776 - Cross-linking hardenable resin composition, metal laminates thereof and (1992-09-22),

Title: Seiya Koyanagi: Innovator in Acrylic Technologies

Introduction

Seiya Koyanagi is a prominent inventor based in Aichi, Japan. He has made significant contributions to the field of acrylic materials, holding a total of seven patents. His work focuses on enhancing the properties and production methods of acrylic compositions, which are widely used in various applications.

Latest Patents

Koyanagi's latest patents include innovative developments such as an acrylic premix and acrylic artificial marble. The acrylic premix comprises 10 to 90% by weight of an acrylic resin composition, which includes an acrylic mono-functional monomer, an acrylic poly-functional monomer, and an acrylic polymer. Additionally, it contains 10 to 90% by weight of an inorganic filler and a curing agent. This premix is designed to provide excellent molding properties at high temperatures, enhancing the processability and stability of the materials. Another patent focuses on an acrylic resin composition that incorporates a non-crosslinked polymer powder as a thickening agent, further improving the production of acrylic artificial marble.

Career Highlights

Seiya Koyanagi is associated with Mitsubishi Rayon Company, Limited, where he has been instrumental in advancing acrylic technologies. His expertise in the field has led to the development of innovative products that meet the demands of modern manufacturing processes.

Collaborations

Koyanagi has collaborated with notable colleagues such as Yuichiro Kishimoto and Shinji Saiki. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Seiya Koyanagi's contributions to acrylic innovations have significantly impacted the industry. His patents reflect a commitment to enhancing material properties and production methods, showcasing his role as a leading inventor in this field.

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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