Inventors with similar research interests:
Location History:
- Mitaka, JP (1988 - 2017)
- Tokyo, JP (2004 - 2017)
Company Filing History:
29 out of 42,485 
15 out of 3,781 
10 out of 7,524 
Years Active: 1988-2017
Title: Natsuki Yokoyama: A Pioneer in Semiconductor Innovations
Introduction
Natsuki Yokoyama, based in Mitaka, Japan, is a distinguished inventor renowned for his significant contributions to semiconductor technology. With an impressive portfolio of 60 patents, Yokoyama has made groundbreaking advancements that have enhanced the reliability and efficiency of semiconductor devices.
Latest Patents
Among his latest innovations, Yokoyama holds a patent for a semiconductor device with substantially equal impurity concentration junction termination extension (JTE) regions in proximity to a junction depth. This invention provides a highly reliable semiconductor device capable of high withstand voltage, by establishing the impurity concentration in the JTE regions to specific levels depending on the type of diode. His work ensures improved performance in both Schottky diodes and junction barrier Schottky diodes.
Another notable patent involves a normally-off power JFET and its manufacturing method. This invention addresses the challenges faced in semiconductor active elements like normally-off JFETs based on silicon carbide (SiC), where controlling the area between gate regions with high precision is crucial for optimal performance. Yokoyama's method employs a multi-epitaxial approach involving repeated processes of epitaxial growth, ion implantation, and activation annealing, which mitigates the issues related to heavily doped PN junctions.
Career Highlights
Yokoyama's career has seen him work with prominent companies in the semiconductor industry, including Hitachi, Ltd. and Renesas Technology Corporation. His experience in these reputable organizations has significantly influenced his innovative strategies and inventions.
Collaborations
Throughout his career, Yokoyama has collaborated with talented individuals such as Haruka Shimizu and Yoshifumi Kawamoto. These partnerships have facilitated fruitful discussions and exchanges that have propelled advancements in semiconductor technology, leading to high-impact innovations.
Conclusion
Natsuki Yokoyama stands out as an influential figure in the semiconductor field, driving innovation through his extensive patent portfolio. His latest contributions demonstrate a commitment to enhancing the performance and reliability of semiconductor devices, leaving a lasting impact on the industry and paving the way for future advancements.
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