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For the Inventor, By the Inventor

Niigata, Japan

Takaaki Shimizu

This inventor holds 60 USPTO granted patents and 7 EPO patents, primarily in Polycrystalline Silicon (CPC class 2522). Top assignees: Shin-Etsu Chemical Co., Ltd., Kabushiki Kaisha Toshiba, Mitsubishi Chemical Corporation. Active years: 1989-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takaaki Shimizu. Retrieved from https://idiyas.com/inventor/takaaki-shimizu

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

USPTO Granted Patents = 60

% Patents Active = 96.7

 

Average Co-Inventor Count = 3.8

ph-index = 10

Forward Citations = 377(Granted Patents)

Forward Citations (Not Self Cited) = 253(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Jyouetsu, JP (1991)
  • Kubiki, JP (1996)
  • Kubika-mura, JP (1997)
  • Niigati-ken, JP (1998)
  • Kubiki-mura, JP (1996 - 1999)
  • Niigata-ken, JP (1996 - 1999)
  • Nigata-ken, JP (1998 - 1999)
  • Tokyo, JP (2001 - 2004)
  • Niigata, JP (1989 - 2015)
  • Joetsu, JP (1989 - 2019)

Company Filing History:

goldMedal59 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
silverMedal1 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
bronzeMedal1 out of 2,423 
 
Mitsubishi Chemical Corporation
 patents
where one patent can have more than one assignee

Years Active: 1989-2019

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Areas of Expertise:
Polycrystalline Silicon
Chlorosilanes
Trichlorosilane
Liquid Crystal
Silacyclohexane
Reactor
Composition
Display Element
Optically Active Compounds
Preparation Method
Twisted Nematic
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60 patents (USPTO):Explore Patents
1. 10366882 - System for producing polycrystalline silicon, apparatus for producing polycrystalline silicon, and process for producing polycrystalline silicon (2019-07-30),
2. 9193597 - Method for purifying chlorosilanes (2015-11-24),
3. 9193596 - Reactor for producing polycrystalline silicon, system for producing polycrystalline silicon, and process for producing polycrystalline silicon (2015-11-24),
4. 9017482 - System for producing polycrystalline silicon, apparatus for producing polycrystalline silicon, and process for producing polycrystalline silicon (2015-04-28),
5. 8293076 - Method for producing trichlorosilane and method for producing polycrystalline silicon (2012-10-23),
6. 7790132 - Method for producing trichlorosilane and method for producing polycrystalline silicon (2010-09-07),
7. 7691357 - Method for producing polycrystalline silicon (2010-04-06),
8. 7691356 - Method for producing trichlorosilane (2010-04-06),
9. 6811087 - Barcode scanner (2004-11-02),
10. 6248495 - Electrostatic image developer (2001-06-19),
11. 6004478 - Silacyclohexane compounds, preparation thereof, liquid crystal (1999-12-21),
12. 5980778 - Liquid crystal composition and liquid crystal display element comprising (1999-11-09),
13. 5951913 - Liquid crystal compositions comprising silacyclohexane compounds (1999-09-14),
14. 5868961 - Silacyclohexane compound, a method of preparing it and a liquid crystal (1999-02-09),
15. 5866037 - Liquid crystal compositions and liquid crystal display elements (1999-02-02),

Title: The Innovative Journey of Takaaki Shimizu

Introduction: Takaaki Shimizu, a pioneering inventor hailing from Niigata, Japan, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Takaaki Shimizu's latest patents include advancements in renewable energy technology, specifically in the development of solar panel efficiency and energy storage solutions.

Career Highlights: Throughout his illustrious career, Takaaki Shimizu has been recognized for his innovative spirit and dedication to pushing the boundaries of technological advancements. His work has led to numerous patents that have revolutionized the way we harness and utilize energy.

Collaborations: Takaaki Shimizu has collaborated with leading research institutions and technology companies to further his research and bring his inventions to life. His collaborative efforts have resulted in cutting-edge solutions that have had a lasting impact on the industry.

Conclusion: Takaaki Shimizu's relentless pursuit of innovation and his passion for creating a sustainable future through technology make him a true visionary in the world of inventors. His contributions continue to inspire and shape the future of technology.

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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