Location History:
- Kirkkonummi, FI (2011 - 2018)
- Helsinki, FI (2014 - 2022)
Company Filing History:
10 out of 362 
4 out of 996 
1 out of 2,622 
Years Active: 2011-2022
Title: The Innovative Contributions of Matti Laitinen
Introduction
Matti Laitinen is a notable inventor based in Kirkkonummi, Finland. He has made significant contributions to the field of electrical engineering, particularly in power conversion technologies. With a total of 15 patents to his name, Laitinen's work has had a profound impact on the industry.
Latest Patents
One of Laitinen's latest patents is a power converter arrangement that includes an attenuation element for electrical ringing. This innovative design features a semiconductor switch system with a controllable switch and a capacitor unit that is operatively connected to the switch system. The arrangement also includes a conductor that conducts electric current between the capacitor unit and the semiconductor switch system. A resonant circuit is formed by the resistance, inductance, and capacitance, and the power converter arrangement incorporates at least one attenuating element that is conductively isolated from the resonant circuit. This element, made of ferromagnetic material, is magnetically coupled to the conductor, allowing it to induce eddy currents in response to variations in electric current intensity.
Another significant patent by Laitinen is a method and apparatus for balancing currents in parallel-connected power semiconductor switches. This method involves determining the current ratios through the switches and controlling the voltage at the control terminal based on these ratios. The approach minimizes the transition time of the voltage levels, enhancing the efficiency of the power semiconductor switches.
Career Highlights
Throughout his career, Matti Laitinen has worked with prominent companies such as ABB Oy and ABB Research Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in power electronics.
Collaborations
Laitinen has collaborated with esteemed professionals in his field, including Johann Kolar and Yanick Lobsiger. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Matti Laitinen's contributions to electrical engineering and power conversion technologies are noteworthy. His innovative patents and collaborations reflect his commitment to advancing the field. His work continues to influence the industry and inspire future innovations.
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.