Porvoo, Finland

Sari Karjalainen

This inventor holds 2 USPTO granted patents. Top assignees: Berggren Oy Ab, Neste Oy. Active years: 1992-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sari Karjalainen. Retrieved from https://idiyas.com/inventor/sari-karjalainen

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 = 4.0

ph-index = 2

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1992-1993

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2 patents (USPTO):Explore Patents

Title: Sari Karjalainen: Innovator in Conductive Polymer Composites

Introduction

Sari Karjalainen is a notable inventor based in Porvoo, Finland. She has made significant contributions to the field of conductive polymer composites, holding 2 patents that showcase her innovative spirit and technical expertise.

Latest Patents

Her latest patents focus on conductive plastic composites. The invention relates to a conductive polymer composite wherein the internally conductive polymer component consists of a polymer of a 3-substituted thiophene. This polymer is doped with a suitable electron acceptor or electron emitter compound. The polymer composite is prepared by processing in a molten state through various methods such as extrusion molding, injection molding, compression molding, or sheet blowing, together with a suitable polymer matrix, to form a homogeneous composite.

Career Highlights

Throughout her career, Sari has worked with prominent companies such as Berggren Oy Ab and Neste Oy. Her experience in these organizations has contributed to her development as an inventor and innovator in her field.

Collaborations

Sari has collaborated with notable individuals in her industry, including Jan-Erik Osterholm and Jukka Laakso. These partnerships have likely enriched her work and expanded her impact in the field of conductive materials.

Conclusion

Sari Karjalainen stands out as a pioneering inventor in the realm of conductive polymer composites. Her contributions and patents reflect her dedication to innovation and advancement in materials science.

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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