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For the Inventor, By the Inventor

Hitachi, Japan

Masataka Sasaki

This inventor holds 17 USPTO granted patents and 3 published patent applications and 1 EPO patent, primarily in Power Management Systems. Top assignees: Hitachi, Ltd., Hitachi Construction Machinery Co., Ltd.. Active years: 1999-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masataka Sasaki. Retrieved from https://idiyas.com/inventor/masataka-sasaki

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 47.1


Average Co-Inventor Count = 3.9

ph-index = 5

Forward Citations = 141(Granted Patents)


Location History:

  • Chiyoda-ku, JP (2006)
  • Hitachi, JP (1999 - 2018)
  • Tokyo, JP (2009 - 2018)

Company Filing History:

goldMedal15 out of 42,752 
 
Hitachi, Ltd.
 patents
silverMedal2 out of 1,508 
 
Hitachi Construction Machinery Co., Ltd.
 patents

Years Active: 1999-2018

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Areas of Expertise:
Inverter Systems
Power Management
Drive Circuits
Switchgear
Position Detection
Motor Drive Apparatus
Protection Circuits
Power Converters
Vehicle Power Systems
Construction Machines
Power Semiconductor Modules
17 patents (USPTO):Explore Patents
1. 10054119 - Operating machine (2018-08-21),
2. 9959999 - Method for controlling power switching apparatus (2018-05-01),
3. 9673005 - Switchgear (2017-06-06),
4. 9421873 - Construction machine (2016-08-23),
5. 7954334 - Inverter system and vehicle (2011-06-07),
6. 7746614 - Drive circuit for switching device (2010-06-29),
7. 7746023 - Position detecting device and synchronous motor driving device using the same (2010-06-29),
8. 7675727 - Protection circuit for power management semiconductor devices and power converter having the protection circuit (2010-03-09),
9. 7483695 - Inverter maintenance system and inverter (2009-01-27),
10. 7483250 - Drive circuit for switching device (2009-01-27),
11. 7414376 - Motor drive apparatus and method and electrically driven brake apparatus (2008-08-19),
12. 7295412 - Protection circuit for power management semiconductor devices and power converter having the protection circuit (2007-11-13),
13. 7126802 - Drive circuit for switching device (2006-10-24),
14. 7110758 - Inverter maintenance system and inverter (2006-09-19),
15. 6960980 - Power converter with shunt resistor (2005-11-01),

Title: The Innovative Journey of Masataka Sasaki

Introduction: Masataka Sasaki is a renowned inventor hailing from Hitachi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Sasaki's latest patents focus on advancements in artificial intelligence, robotics, and sustainable energy solutions, showcasing his commitment to creating a more efficient and sustainable future.

Career Highlights: With a career spanning over two decades, Sasaki has held key roles in research and development at Hitachi, where he has spearheaded numerous projects that have revolutionized the industry.

Collaborations: Throughout his career, Sasaki has collaborated with leading researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge-sharing.

Conclusion: Masataka Sasaki's dedication to pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and researchers worldwide.

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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