This inventor holds 8 USPTO granted patents. Top assignees: Honda Motor Co., Ltd., Shindengen Electric Manufacturing Company Limited, Honda Giken Kogyo Kabushiki Kaisha. Active years: 2000-2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Saitama, JP (2001)
- Wako, JP (2000 - 2012)
- Tokorozawa, JP (2014)
Company Filing History:


Years Active: 2000-2014
Title: Seiichi Yokoyama: Innovator in Semiconductor Manufacturing
Introduction
Seiichi Yokoyama is a prominent inventor based in Wako, Japan. He has made significant contributions to the field of semiconductor manufacturing, holding a total of 8 patents. His innovative approaches have advanced the technology used in semiconductor devices, making him a notable figure in the industry.
Latest Patents
Yokoyama's latest patents include a method, tool, and apparatus for manufacturing a semiconductor device. This method enhances adherence between a susceptor, which acts as a heating element, and a semiconductor substrate. It employs an adherence increasing mechanism and a transmitted-heat increasing mechanism to optimize the heating process. Another significant patent involves a method for manufacturing an ion implantation mask, which includes forming an oxide film and a thin metal film over a semiconductor substrate. This mask is crucial for creating deeper selectively electroconductive regions in semiconductor devices.
Career Highlights
Throughout his career, Yokoyama has worked with notable companies such as Honda Motor Co., Ltd. and Shindengen Electric Manufacturing Company Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.
Collaborations
Yokoyama has collaborated with esteemed colleagues, including Hideki Hashimoto and Ken-ichi Nonaka. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Seiichi Yokoyama's contributions to semiconductor manufacturing through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the industry and pave the way for future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile