Location History:
- Gunma-ken, JP (2002 - 2003)
- Gunma, JP (2006)
- Annaka, JP (1998 - 2014)
Company Filing History:
12 out of 1,099 
1 out of 80 
1 out of 10,295 
Years Active: 1998-2014
Title: Satoshi Oka: Innovator in Silicon Wafer Technology
Introduction
Satoshi Oka is a prominent inventor based in Annaka, Japan, known for his significant contributions to the field of silicon wafer technology. With a total of 13 patents to his name, Oka has made remarkable advancements that have impacted the semiconductor industry.
Latest Patents
Oka's latest patents include innovations such as the silicon epitaxial wafer and a method for manufacturing the same, as well as a bonded SOI wafer and its manufacturing method. The silicon epitaxial wafer features a silicon epitaxial layer grown by vapor phase epitaxy on a silicon single crystal substrate. This substrate is uniquely tilted with respect to a [100] axis, which helps inhibit stripe-shaped surface irregularities even when a high dopant concentration is present. His method for manufacturing an SOI wafer involves removing the outer periphery of a buried oxide film, allowing for precise control over the SOI layer thickness during epitaxial growth.
Career Highlights
Throughout his career, Oka has worked with notable companies such as Shin-Etsu Handotai Co., Ltd. and Fuji Electric Holdings Co., Ltd. His work in these organizations has contributed to the development of advanced semiconductor technologies.
Collaborations
Oka has collaborated with esteemed colleagues, including Norihiro Kobayashi and Nobuhiko Noto, further enhancing his innovative efforts in the field.
Conclusion
Satoshi Oka's contributions to silicon wafer technology through his patents and collaborations have established him as a key figure in the semiconductor industry. His work continues to influence advancements in this critical area of technology.
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.