Company Filing History:
2 out of 9 
1 out of 86 
Years Active: 2011-2015
Title: Jan Hendrik Haanstra: Innovator in Frequency Synthesis and Circuit Design
Introduction
Jan Hendrik Haanstra is a notable inventor based in Nijmegen, Netherlands. He has made significant contributions to the fields of frequency synthesis and circuit design, holding a total of 3 patents. His innovative work has implications for various technologies, particularly in communication systems.
Latest Patents
Haanstra's latest patents include a transceiver with a sub-sampling based frequency synthesizer. This invention features a sampling frequency configured to generate multiple output signals for transmission and reception. The predefined frequencies are designed to operate within a specific bandwidth, enhancing the efficiency of communication systems. Another notable patent is a biasing circuit for providing a supply voltage for inverter-based circuits. This circuit is integrated on the same die as the inverter and includes shorted inverter circuits with different transistor geometries, ensuring equal current flow.
Career Highlights
Throughout his career, Haanstra has worked with several prominent companies, including Greenpeak Technologies B.V. and Trident Microsystems (Far East) Ltd. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technologies in the electronics industry.
Collaborations
Haanstra has collaborated with notable professionals in his field, including Anton Willem Roodnat and Hans Van Driest. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Jan Hendrik Haanstra is a distinguished inventor whose work in frequency synthesis and circuit design has made a lasting impact on technology. His patents reflect his innovative spirit and commitment to advancing the field.