This inventor holds 24 USPTO granted patents and 5 published patent applications. Top assignees: Sanken Electric Co., Ltd., Shin-Etsu Handotai Co., Ltd.. Active years: 1990-2020.
Location History:
- Hannou, JP (1990 - 1992)
- Tokyo, JP (2003 - 2005)
- Niiza, JP (2006)
- Saitama, JP (2006 - 2011)
- Minato, JP (2016)
- Minato-ku, JP (2016 - 2020)
Company Filing History:
21 out of 644 
11 out of 1,099 
Years Active: 1990-2020
Title: Innovations of Hirokazu Goto in Semiconductor Technology
Introduction
Hirokazu Goto, an accomplished inventor based in Minato-ku, Japan, has made significant contributions to the field of semiconductor technology. With a remarkable portfolio of 24 patents, Goto's innovations have revolutionized the design and manufacturing processes involved in semiconductor devices.
Latest Patents
Among his recent patents, Goto has developed a groundbreaking substrate for semiconductor devices. His invention includes a substrate with a buffer layer composed of a nitride semiconductor and a device active layer. The innovation allows for a higher carbon concentration at the upper surface of the buffer layer compared to its lower surface, effectively reducing leak currents during high-temperature operations. Additionally, Goto has patented a method for manufacturing an epitaxial wafer, which entails growing a semiconductor layer on a silicon-based substrate after applying terrace processing to its outer peripheral portion. This method ensures the production of epitaxial wafers that are entirely free from cracks, enhancing overall performance.
Career Highlights
Goto has held influential positions in notable companies, including Sanken Electric Co., Ltd. and Shin-Etsu Handotai Co., Ltd. His work in these organizations has significantly advanced semiconductor technology, showcasing his expertise and dedication to innovation.
Collaborations
Throughout his career, Goto has collaborated with esteemed colleagues, including Kazunori Hagimoto and Masaru Shinomiya. These partnerships have facilitated the exchange of ideas and further enriched his innovative contributions to the industry.
Conclusion
Hirokazu Goto stands out as a prominent figure in the semiconductor industry, with 24 patents that reflect his innovative spirit and technical prowess. His latest inventions, particularly in substrate design and manufacturing processes, demonstrate his commitment to enhancing semiconductor technology and paving the way for future advancements.