Company Filing History:
Years Active: 2002-2014
Title: The Innovations of Shunji Yoshitake
Introduction
Shunji Yoshitake is a notable inventor based in Kawasaki, Japan. With a remarkable portfolio of 9 patents, he has significantly contributed to the field of semiconductor technology. His work primarily revolves around innovative processes for preparing bonding type semiconductor substrates, showcasing his expertise and creativity in the industry.
Latest Patents
Yoshitake's latest patents include a sophisticated process for preparing a bonding type semiconductor substrate. This innovation provides a laminate containing a first compound semiconductor layer and a second compound semiconductor layer that are integrally bonded via a bonding layer. The specific details outline that plane A in the second compound semiconductor layer is bonded to surface plane B in the first compound semiconductor layer, ensuring a high-purity bonding layer with an impurity concentration of 2×10 cm or more.
Another significant patent details a process for growing epitaxially mixed crystals of a compound semiconductor, formulated as In(GaAl)P on a GaAs substrate. This process results in an epi-wafer with multiple layers including an n-type cladding layer, an active layer, and a p-type cladding layer. The intricate steps involved in this process showcase Yoshitake's commitment to advancing semiconductor technology, highlighting steps such as heat treatment and electrode formation.
Career Highlights
Shunji Yoshitake is associated with Kabushiki Kaisha Toshiba, a renowned company in the electronics and semiconductor field. His tenure at Toshiba has provided him a solid platform to refine his inventive skills and contribute to cutting-edge technologies in semiconductor manufacturing.
Collaborations
Throughout his career, Yoshitake has worked alongside distinguished colleagues such as Yasuhiko Akaike and Kazuyoshi Furukawa. Their collaborative efforts have further propelled innovations in the semiconductor sector, emphasizing the importance of teamwork and synergy in achieving groundbreaking results.
Conclusion
Shunji Yoshitake's contributions to semiconductor advancements are significant, with a robust portfolio of patents that illustrates his inventive prowess. His work not only benefits the industry but also sets a precedent for future innovations in semiconductor technologies. As part of Kabushiki Kaisha Toshiba, Yoshitake continues to push the boundaries of what is possible in the realm of electronics, solidifying his status as a leading inventor in his field.