Location History:
- Fujinomiya, JA (1976)
- Minamiashigara, JP (2001 - 2007)
- Chigasaki, JP (1984 - 2015)
- Yokohama, JP (2004 - 2016)
- Kanagawa, JP (1988 - 2022)
Company Filing History:
19 out of 16,458 
5 out of 10,239 
3 out of 16,042 
Years Active: 1976-2025
Title: **Makoto Shimizu: A Pioneer in Semiconductor Technology**
Introduction
Makoto Shimizu is a renowned inventor and engineer based in Kanagawa, Japan. With an impressive portfolio of 32 patents, he has made significant contributions to the field of semiconductor technology. His innovative work has advanced the capabilities of semiconductor devices, making them crucial in various applications, particularly in high-frequency RF electric signals.
Latest Patents
One of Makoto Shimizu's latest patents focuses on a semiconductor element capable of adjusting a barrier height and performing zero-bias operation. This innovation enhances impedance matching with antennas, which ultimately improves the detection sensitivity of high-frequency RF electric signals. The semiconductor element features a high concentration of n-type InGaAs, intentionally set over a broad range to prevent changes in barrier height due to bias up to deep degeneration ranges. Furthermore, the patent details how the electron Fermi level increases from the band edge of the n-type InGaAs layer to the band edge of the InP depletion layer, marking a significant advancement in semiconductor manufacturing methodologies.
Career Highlights
Throughout his illustrious career, Makoto Shimizu has contributed his expertise to major companies, including Fuji Photo Film Company, Limited and Sumitomo Electric Industries, Limited. His work in these organizations laid the groundwork for his innovative achievements in semiconductor technologies.
Collaborations
In his endeavors, Makoto has collaborated with notable figures in the field, including Toshiro Esaki and Takayuki Kambara. These partnerships have facilitated the exchange of ideas and driven technological advancements within the semiconductor industry.
Conclusion
Makoto Shimizu's contributions to semiconductor technology underscore his status as a leading innovator in the field. His patents not only reflect his technical expertise but also pave the way for future advancements in semiconductor devices. As technology continues to evolve, the impact of his work remains significant in enhancing the performance and efficiency of electrical signals and devices.
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.