Location History:
- Kanagawaken, JP (1998)
- Hiratsuka, JP (2005)
- Tokyo, JP (1991 - 2011)
- Yokohama, JP (2013 - 2016)
- Kanagawa, JP (1996 - 2022)
Company Filing History:
16 out of 164 
14 out of 5,289 
Years Active: 1991-2022
Title: Innovations of Tadao Ishibashi in Semiconductor Technology
Introduction
Tadao Ishibashi, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of semiconductor technology. With a remarkable portfolio comprising a total of 19 patents, Ishibashi has focused on enhancing the performance and efficiency of semiconductor devices, particularly in the realm of high-frequency RF electric signals.
Latest Patents
One of Ishibashi's latest innovations is a semiconductor element designed to adjust barrier height and facilitate zero-bias operation. This technology is crucial for impedance matching with antennas, which improves the detection sensitivity of high-frequency RF electric signals. The innovation specifically involves a semiconductor device and a method for manufacturing it, highlighting a high concentration of n-type InGaAs within the semiconductor element. This configuration prevents changes in barrier height caused by bias, effectively maintaining its performance to deep degeneration ranges. Additionally, the innovation allows for an increase in the electron Fermi level from the band edge of InGaAs to that of the InP depletion layer, showcasing a sophisticated approach to semiconductor design.
Career Highlights
Throughout his career, Tadao Ishibashi has been affiliated with notable organizations including NTT Electronics Corporation and Nippon Telegraph and Telephone Corporation. His work has significantly influenced semiconductor development, contributing to advancements that push the boundaries of electronic communication technologies.
Collaborations
Ishibashi has collaborated with several key professionals in his field, including Seigo Ando and Yoshifumi Muramoto. These partnerships have facilitated knowledge exchange and innovative solutions significant to the semiconductor industry.
Conclusion
Tadao Ishibashi's advancements in semiconductor technology underscore the importance of innovation in addressing contemporary challenges in electronics. His contributions not only enhance device performance but also lay the groundwork for future developments in high-frequency communication systems. As a prolific inventor, Ishibashi continues to inspire the next generation of engineers and researchers in the ever-evolving field of semiconductor technology.
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.