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For the Inventor, By the Inventor

Tokyo, Japan

Masaya Sakurai

This inventor holds 7 USPTO granted patents. Top assignees: Sumco Corporation, Oki Electric Industry Co., Ltd.. Active years: 1997-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaya Sakurai. Retrieved from https://idiyas.com/inventor/masaya-sakurai

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 2

Forward Citations = 134(Granted Patents)


Company Filing History:

goldMedal6 out of 624 
 
Sumco Corporation
 patents
silverMedal1 out of 4,980 
 
Oki Electric Industry Co., Ltd.
 patents

Years Active: 1997-2022

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7 patents (USPTO):Explore Patents
1. 11274371 - Susceptor and epitaxial growth device (2022-03-15),
2. 11264265 - Lift pin, and epitaxial growth apparatus and method of producing silicon epitaxial wafer using the lift pin (2022-03-01),
3. 11208718 - Epitaxial growth device, production method for epitaxial wafer, and lift pin for epitaxial growth device (2021-12-28),
4. 8980001 - Method for manufacturing epitaxial wafer and wafer holder used in the method (2015-03-17),
5. 8152919 - Epitaxial silicon wafer and fabrication method thereof (2012-04-10),
6. 7989073 - Epitaxial silicon wafer and fabrication method thereof (2011-08-02),
7. 5641113 - Method for fabricating an electronic device having solder joints (1997-06-24),

Title: Masaya Sakurai: Innovator in Epitaxial Growth Technology

Introduction

Masaya Sakurai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of devices that enhance the epitaxial growth process. With a total of 7 patents to his name, Sakurai's work has had a substantial impact on the industry.

Latest Patents

One of Sakurai's latest patents is for a susceptor and epitaxial growth device. This invention provides a susceptor capable of preventing scratches on the back surface of a wafer caused by lift pins. It also reduces unevenness in the in-surface temperature distribution of the wafer. The design includes a susceptor main body and a plate-shaped member that supports the central part of the back surface of the wafer during conveyance. Another notable patent involves a lift pin for an epitaxial growth apparatus, which prevents damage to the back surface of a silicon wafer and minimizes dust emission due to friction against the wall surface of a through hole in a susceptor. This innovative lift pin features a straight trunk part, a head part that abuts the silicon wafer, and a cover part made of a carbon-based material.

Career Highlights

Throughout his career, Masaya Sakurai has worked with notable companies such as Sumco Corporation and Oki Electric Industry Co., Ltd. His experience in these organizations has allowed him to refine his expertise in semiconductor manufacturing and epitaxial growth technologies.

Collaborations

Sakurai has collaborated with several talented individuals in the field, including Takayuki Dohi and Shinji Nakahara. These partnerships have contributed to the advancement of his innovative projects and patents.

Conclusion

Masaya Sakurai's contributions to the semiconductor industry through his patents and collaborations highlight his role as a key innovator in epitaxial growth technology. His work continues to influence advancements in the field, showcasing the importance of innovation in technology development.

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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