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For the Inventor, By the Inventor

Suzuka, Japan

Masaaki Sakaguchi

This inventor holds 12 USPTO granted patents and 7 EPO patents. Top assignee: Mitsubishi Materials Corporation. Active years: 2011-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Sakaguchi. Retrieved from https://idiyas.com/inventor/masaaki-sakaguchi-nwobyqzp

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

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 75.0

 

Average Co-Inventor Count = 4.1

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:

goldMedal12 out of 1,556 
 
Mitsubishi Materials Corporation
 patents

Years Active: 2011-2015

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12 patents (USPTO):Explore Patents
1. 9216444 - Reactor cleaning apparatus (2015-12-22),
2. 8840723 - Manufacturing apparatus of polycrystalline silicon (2014-09-23),
3. 8790429 - Reactor for polycrystalline silicon and polycrystalline silicon production method (2014-07-29),
4. 8703248 - Polycrystalline silicon reactor (2014-04-22),
5. 8652256 - Manufacturing apparatus of polycrystalline silicon (2014-02-18),
6. 8623139 - Apparatus for producing polycrystalline silicon (2014-01-07),
7. 8329132 - Polycrystalline silicon manufacturing apparatus and manufacturing method (2012-12-11),
8. 8231724 - Reactor for polycrystalline silicon and polycrystalline silicon production method (2012-07-31),
9. 8187382 - Polycrystalline silicon manufacturing apparatus (2012-05-29),
10. 8043660 - Method for manufacturing polycrystalline silicon (2011-10-25),
11. 7975709 - Reactor cleaning apparatus (2011-07-12),
12. 7875349 - Polymer inactivation method for polycrystalline silicon manufacturing device (2011-01-25),

Title: Masaaki Sakaguchi: Innovator in Polycrystalline Silicon Technology

Introduction

Masaaki Sakaguchi is a prominent inventor based in Suzuka, Japan. He has made significant contributions to the field of polycrystalline silicon technology, holding a total of 12 patents. His work has been instrumental in advancing manufacturing processes that are crucial for various applications, including semiconductor production.

Latest Patents

Sakaguchi's latest patents include a reactor cleaning apparatus designed to enhance the efficiency of cleaning the inner wall surface of reactors that generate polycrystalline silicon. This innovative apparatus features a dual-structured bell jar and a nozzle device that sprays cleaning water at high pressure in three-dimensional directions. Another notable patent is for a manufacturing apparatus of polycrystalline silicon, which involves a unique seed rod holding member that facilitates the deposition of polycrystalline silicon on silicon seed rods.

Career Highlights

Masaaki Sakaguchi is currently employed at Mitsubishi Materials Corporation, where he continues to develop cutting-edge technologies in the field of materials science. His expertise and innovative spirit have led to advancements that benefit the semiconductor industry and beyond.

Collaborations

Sakaguchi has collaborated with notable coworkers, including Toshihide Endoh and Toshiyuki Ishii, contributing to a dynamic team focused on innovation and excellence in their field.

Conclusion

Masaaki Sakaguchi's contributions to polycrystalline silicon technology exemplify the impact of innovation in manufacturing processes. His patents and ongoing work at Mitsubishi Materials Corporation highlight his role as a key figure in advancing this critical industry.

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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