This inventor holds 12 USPTO granted patents. Top assignee: Sanyo Electric Co., Ltd.. Active years: 1990-2006.
Location History:
- Gunma, JP (1990 - 1992)
- Niigata, JP (2001 - 2004)
- Ashikaga, JP (2005)
- Ashikagai, JP (2004 - 2006)
Company Filing History:
Years Active: 1990-2006
Title: Nobuyuki Sekikawa: Innovator in Semiconductor Technology
Introduction
Nobuyuki Sekikawa is a prominent inventor based in Ashikagai, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 12 patents. His work focuses on improving the design and manufacturing processes of semiconductor devices.
Latest Patents
One of his latest patents is a method of manufacturing an insulated gate semiconductor device. This innovation involves a gate electrode that includes a first polysilicon film remaining on a first oxide film, with a part of a second polysilicon layer superimposed on the polysilicon layer. The design ensures that the thickness of the gate electrode on the first gate oxide film matches that of prior art, while the thickness on the second gate oxide films is reduced. This advancement leads to improved flatness of the interlayer oxide film, enhancing device performance.
Another notable patent is a semiconductor device manufacturing method aimed at reducing voltage dependence. This invention allows for easier design of integrated semiconductor circuits. It features a P− type resistance layer, where different voltages are applied to each end, formed on the surface of an N-well region on the semiconductor substrate. By adjusting the voltage on the resistance bias electrode, the voltage dependence of the resistance layer is minimized, leading to more efficient circuit designs.
Career Highlights
Nobuyuki Sekikawa is currently associated with Sanyo Electric Co., Ltd., where he continues to innovate in semiconductor technology. His work has been instrumental in advancing the capabilities of semiconductor devices, making them more efficient and reliable.
Collaborations
He has collaborated with notable coworkers, including Wataru Andoh and Masaaki Momen, contributing to various projects that enhance semiconductor technology.
Conclusion
Nobuyuki Sekikawa's contributions to semiconductor technology through his patents and collaborations have significantly impacted the industry. His innovative methods continue to pave the way for advancements in integrated circuits and semiconductor devices.