Helena Pohjonen

Title: Innovations and Contributions of Helena Pohjonen

Introduction

Helena Pohjonen is a prominent inventor based in Espoo, Finland. She has made significant contributions to the field of technology, particularly in the areas of photoplethysmography and semiconductor devices. With a total of 13 patents to her name, her work has had a considerable impact on various technological advancements.

Latest Patents

One of her latest patents is focused on skin lifting for photoplethysmography. This invention includes an apparatus, method, and computer program designed to enhance the accuracy of light signal sensing. The apparatus features a light source, a light sensor, and an actuator that lifts the surface of skin tissue to create an optimal optical path for transmissive photoplethysmography. Another notable patent is for a Surface MESFET, which is a MESFET transistor situated on a horizontal substrate surface. This transistor includes source, drain, and gate electrodes that are partially covered by a semiconducting channel layer. The design allows for various junction types between the electrodes and the channel, enhancing the functionality of the device.

Career Highlights

Helena has worked with notable companies such as Nokia Technologies Oy and Nokia Corporation. Her experience in these organizations has allowed her to develop and refine her innovative ideas, contributing to the advancement of technology in her field.

Collaborations

Helena has collaborated with several professionals, including Juha Ellä and Pekka Korpinen. These partnerships have fostered a creative environment that has led to the development of her groundbreaking inventions.

Conclusion

Helena Pohjonen's contributions to technology through her patents and collaborations highlight her role as an influential inventor. Her work continues to inspire advancements in photoplethysmography and semiconductor technology.