Company Filing History:
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Years Active: 2014
Title: The Innovative Journey of Anna-Maija Karkkainen
Introduction: Anna-Maija Karkkainen is a noteworthy inventor based in Helsinki, Finland, who has made significant strides in the field of energy harvesting. With a focus on developing a device that effectively utilizes vibrations and strains, she has successfully patented her unique invention that combines advanced engineering principles.
Latest Patents: Karkkainen holds a patent for her invention titled "Method and device for energy harvesting". This device is designed to harvest energy from vibrations and utilizes both capacitive and piezoelectric elements. The principle of operation involves an out-of-plane capacitive harvester, where the bias voltage for the capacitive element is generated using a piezoelectric element. The innovation features a thin dielectric film between the capacitor plates to maximize harvested energy, while also enabling operation in semi-contact mode to prevent short circuits. Specifically, when utilized in a wheel, the capacitor opens and closes with each strike or rotation, making it independent of the mechanical resonance frequency of the harvester.
Career Highlights: Throughout her career, Anna-Maija Karkkainen has contributed to various leading companies in the engineering sector, including VTI Technologies Oy and Toyota Motor Corporation. Her professional experiences reflect her dedication to advancing technology and energy solutions.
Collaborations: Karkkainen has worked alongside talented colleagues, including Jukka Kyynarainen and Leif Roschier. Their collaboration has enabled the sharing of diverse insights and expertise, further enriching the development of innovative solutions in their respective projects.
Conclusion: Anna-Maija Karkkainen exemplifies the spirit of innovation through her patented invention and collaborative efforts in the field of energy harvesting. Her work continues to inspire and pave the way for future advancements, illustrating the vital role of inventors in shaping a sustainable technological landscape.