Location History:
- Nagasaki, JP (2019)
- Tokyo, JP (2014 - 2021)
- Omura, JP (2023 - 2024)
Company Filing History:
Years Active: 2014-2024
Title: Masayuki Uto: Innovator in Semiconductor Technology
Introduction
Masayuki Uto is a prominent inventor based in Tokyo, Japan, known for his significant contributions to semiconductor technology. With a total of 8 patents to his name, Uto has made remarkable advancements in the field, particularly in the development of low resistivity wafers.
Latest Patents
Uto's latest patents include innovative designs for semiconductor wafers that feature low resistivity. One notable patent describes a semiconductor wafer that includes a single crystal doped with a dopant, achieving a resistivity of 0.7 mΩ-cm or less. The patent also specifies that the striation height of the wafer is 6 mm or more, with potential variations allowing for resistivity as low as 0.8 mΩ-cm and striation heights reaching up to 22 mm. The method of manufacturing these wafers involves adding a dopant to a silicon melt, rotationally pulling a crystal from the melt, and applying a magnetic field of 3000 G or more to ensure optimal resistivity and striation height.
Career Highlights
Throughout his career, Uto has worked with notable companies such as Sumco Corporation and Sumco Techxiv Corporation. His work in these organizations has allowed him to refine his expertise in semiconductor manufacturing and innovation.
Collaborations
Uto has collaborated with esteemed colleagues, including Yasuhito Narushima and Toshimichi Kubota. These partnerships have contributed to the advancement of semiconductor technologies and the successful development of Uto's patents.
Conclusion
Masayuki Uto's contributions to semiconductor technology through his innovative patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in semiconductor manufacturing and applications.