Location History:
- Helsinki, FI (1981 - 1986)
- Espoo, FI (1988)
Company Filing History:
Years Active: 1981-1988
Title: Innovations of Kari J Kirjavainen
Introduction
Kari J Kirjavainen is a notable inventor based in Helsinki, Finland. She has made significant contributions to the field of engineering, particularly in the development of innovative technologies. With a total of 3 patents to her name, her work reflects a commitment to advancing practical solutions in energy generation and material processing.
Latest Patents
One of her latest patents is a method and device for generating heat energy and oscillation energy. This invention relates to a method of simultaneously generating heat energy through induction heating while creating oscillations using piezoelectric elements. The innovation addresses the challenges of controlling resonance circuits, which have traditionally been difficult due to the narrow resonance region of piezoelectric elements. By utilizing a single resonance circuit formed by a series connection of inductive and capacitive elements, both heat and oscillation energy can be generated efficiently.
Another significant patent is for a double extruder designed for the production of a two-layer tubular extruded product. This extruder features a treating screw that is rotatably mounted within a housing, creating a ring-shaped treating space. The design includes inlet and outlet channels for supplying and discharging materials, allowing for the production of complex extruded products with enhanced properties.
Career Highlights
Kari J Kirjavainen is currently associated with Oy Nokia Ab, where she continues to innovate and develop new technologies. Her work at this esteemed company has allowed her to collaborate with other experts in the field, further enhancing her contributions to engineering and technology.
Conclusion
Kari J Kirjavainen's innovative spirit and dedication to her work have led to significant advancements in energy generation and material processing. Her patents reflect her ability to solve complex engineering challenges, making her a valuable contributor to the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.