Takasaki, Japan

Hiroaki Sakamoto

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi Tokyo Electronics Co., Ltd., Hitachi, Ltd.. Active years: 1989-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Sakamoto. Retrieved from https://idiyas.com/inventor/hiroaki-sakamoto-smvw3gkt

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 10.0

ph-index = 2

Forward Citations = 48(Granted Patents)


Company Filing History:


Years Active: 1989-1991

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2 patents (USPTO):Explore Patents

Title: Hiroaki Sakamoto: Innovator in Semiconductor Technology

Introduction

Hiroaki Sakamoto is a notable inventor based in Takasaki, Japan. He has made significant contributions to the field of semiconductor technology, particularly through his innovative patents. With a total of two patents to his name, Sakamoto's work focuses on enhancing the efficiency and cleanliness of semiconductor production processes.

Latest Patents

Sakamoto's latest patents include a vacuum system with a secondary gas connected to the roughing pump. This invention addresses the production method and processing apparatus for semiconductor devices, as well as an evacuating apparatus used for the processing apparatus. The design utilizes an oil-free vacuum pump, which eliminates deleterious oil contaminations and carbonation products that can arise from traditional oil pumps. This advancement ensures a highly clean evacuated condition, leading to semiconductor devices with high reliability and no degradation in electric characteristics.

Another significant patent is the method for LPCVD of semiconductors using oil-free vacuum pumps. Similar to his previous invention, this method also focuses on the production and processing apparatus for semiconductor devices. By employing an oil-free vacuum pump, Sakamoto's invention prevents harmful oil contaminations, thereby achieving a clean processing environment essential for high-quality semiconductor production.

Career Highlights

Throughout his career, Hiroaki Sakamoto has worked with prominent companies such as Hitachi, Ltd. and Hitachi Tokyo Electronics Co., Ltd. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.

Collaborations

Sakamoto has collaborated with notable coworkers, including Akihiko Satou and Tadao Kusaka. Their collective efforts have further advanced the field of semiconductor technology.

Conclusion

Hiroaki Sakamoto's contributions to semiconductor technology through his innovative patents demonstrate his commitment to enhancing production methods. His work not only improves the efficiency of semiconductor devices but also ensures their reliability and performance.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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