Location History:
- Singapore, SG (2020)
- Oulu, FI (2006 - 2023)
Company Filing History:
12 out of 12 
5 out of 5 
2 out of 5,674 
Years Active: 2006-2025
Title: Innovations of Ari Kärkkäinen
Introduction
Ari Kärkkäinen is a notable inventor based in Oulu, Finland. He has made significant contributions to the field of materials science, particularly in the development of advanced coatings and photovoltaic technologies. With a total of 21 patents to his name, Kärkkäinen's work reflects a commitment to innovation and practical applications.
Latest Patents
Kärkkäinen's latest patents include a "Flexible and foldable abrasion resistant photopatternable siloxane hard coat." This invention features a layered structure that comprises a substrate layer and a siloxane polymer layer, which can bend without breaking. The siloxane polymer layer has a thickness ranging from 1 to 50 μm, specifically around 5 to 20 μm. It is created by depositing a composition of at least three different silane monomers, including a bi-silane, which undergoes hydrolysis and cross-linking to form a robust siloxane polymer layer.
Another significant patent is related to "Carbosiloxane polymer compositions, methods of producing the same and the use thereof." This patent outlines a method for producing a photovoltaic cell with a cover, involving a crystalline silicon substrate and a coated transparent substrate with an antireflective coating. The coating is a hybrid organic-inorganic material that enhances the efficiency of solar panels.
Career Highlights
Throughout his career, Ari Kärkkäinen has worked with various companies, including Braggone Oy and Optitune Oy. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in the field of materials and energy.
Collaborations
Kärkkäinen has collaborated with several professionals, including Milja Hannu-Kuure and Admir Hadzic. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Ari Kärkkäinen's contributions to the field of materials science and photovoltaic technology are noteworthy. His innovative patents and collaborative efforts highlight his dedication to advancing technology for practical applications.