Company Filing History:
4 out of 21,384 
2 out of 14,087 
1 out of 77 Years Active: 2000-2005
Title: Doede Terpstra: Innovator in Semiconductor Technology
Introduction
Doede Terpstra is a prominent inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of semiconductor technology, holding a total of seven patents. His work focuses on the development of bipolar transistors and methods for manufacturing semiconductor devices.
Latest Patents
Terpstra's latest patents include innovations in bipolar transistors and semiconductor devices. One notable patent describes a bipolar transistor that features a collector region of a semiconductor material with a first doping type, a base region with a second doping type, and an emitter region with the first doping type. This design includes a junction between the emitter and base regions, with a depletion region extending into the emitter region. The invention also details a method for manufacturing the bipolar transistor, which involves forming an emitter region on a collector region and a base region, utilizing epitaxial deposition techniques.
Career Highlights
Throughout his career, Doede Terpstra has worked with notable companies such as Koninklijke Philips Corporation N.V. and U.S. Philips Corporation. His experience in these organizations has allowed him to refine his expertise in semiconductor technology and contribute to various innovative projects.
Collaborations
Some of Terpstra's coworkers include Jan Willem Slotboom and Cornelis Eustatius Timmering. Their collaboration has likely fostered an environment of innovation and creativity in their respective fields.
Conclusion
Doede Terpstra's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in bipolar transistors and semiconductor devices.