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For the Inventor, By the Inventor

Tsukuba, Japan

Kenji Shibata

This inventor holds 88 USPTO granted patents and 7 published patent applications and 16 EPO patents, primarily in Piezoelectric Materials (CPC class H01L41-1873). Top assignees: Sumitomo Chemical Company, Limited, Hitachi Cable, Inc., Kyowa Hakko Kogyo Co., Ltd.. Active years: 1996-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Shibata. Retrieved from https://idiyas.com/inventor/kenji-shibata

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

Calculating rank
USPTO Granted Patents = 88 

% Patents Active = 83.0

 

Average Co-Inventor Count = 3.6

ph-index = 9

Forward Citations = 334(Granted Patents)

Forward Citations (Not Self Cited) = 272(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa, JP (2001 - 2002)
  • Tama, JP (2003)
  • Kawasaki, JP (1996 - 2004)
  • Kawagawa, JP (2005)
  • Aichi, JP (2009)
  • Aichi-Prefecture, JP (2009)
  • Kasugai, JP (2003 - 2011)
  • Aichi-ken, JP (2011)
  • Machida, JP (2006 - 2012)
  • Kani, JP (2012 - 2013)
  • Tokyo, JP (2003 - 2018)
  • Tsukuba, JP (2008 - 2018)
  • Hitachi, JP (2019 - 2023)
  • Ibaraki, JP (2021 - 2023)

Company Filing History:

goldMedal27 out of 6,969 
 
Sumitomo Chemical Company, Limited
 patents
silverMedal22 out of 836 
 
Hitachi Cable, Inc.
 patents
bronzeMedal12 out of 730 
 
Kyowa Hakko Kogyo Co., Ltd.
 patents
4. 11 out of 1,075 
 
Spansion LLC.
 patents
5. 5 out of 39,387 
 
Fujitsu Corporation
 patents
6. 4 out of 272 
 
Kyowa Hakko Kirin Co., Limited
 patents
7. 4 out of 41 
 
Sciocs Company Limited
 patents
8. 2 out of 2,333 
 
Hitachi Metals, Ltd.
 patents
9. 2 out of 103 
 
Kanto Kagaku Kabushiki Kaisha
 patents
10. 1 out of 111 
 
Nihon University
 patents
11. 1 out of 58,151 
 
Sony Corporation
 patents
where one patent can have more than one assignee

Years Active: 1996-2026

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Areas of Expertise:
Piezoelectric Film
Thin Film Element
Laminated Substrate
Ferroelectric Device
Manufacturing Method
Vibration Generator
Sensor Technology
Alkali Niobate
High Piezoelectric Constant
Film Wafer
Stack Manufacturing
Device Innovation
88 patents (USPTO):Explore Patents
1. 12713833 - PIEZOELECTRIC STACK, METHOD OF MANUFACTURING PIEZOELECTRIC STACK, AND PIEZOELECTRIC ELEMENT (2026-08-18),
2. 12685024 - Piezoelectric stack, piezoelectric element, and method of manufacturing piezoelectric stack (2026-07-14),
3. 12666875 - Piezoelectric film, piezoelectric stack, piezoelectric element, and method for producing piezoelectric stack (2026-06-23),
4. 12581862 - Piezoelectric film, piezoelectric stack, piezoelectric element, and method of manufacturing piezoelectric stack (2026-03-17),
5. 12527226 - Laminated substrate with piezoelectric thin film, piezoelectric thin film element and method for manufacturing this element (2026-01-13),
6. 12408556 - Piezoelectric stack, piezoelectric element, and method of manufacturing piezoelectric stack (2025-09-02),
7. 11805700 - Laminated substrate having piezoelectric film, element having piezoelectric film and method for manufacturing this laminated substrate (2023-10-31),
8. 11800808 - Piezoelectric stack, piezoelectric element, and method of manufacturing piezoelectric stack (2023-10-24),
9. 11744159 - Piezoelectric laminate, method of manufacturing piezoelectric laminate and piezoelectric element (2023-08-29),
10. 11557713 - Laminated substrate having piezoelectric film, element having piezoelectric film and method for manufacturing this laminated substrate (2023-01-17),
11. 11367826 - Piezoelectric laminate, method of manufacturing the piezoelectric laminate and piezoelectric device (2022-06-21),
12. 11107971 - Laminated substrate with piezoelectric thin film, piezoelectric thin film element and method for manufacturing this element (2021-08-31),
13. 10658569 - Method for manufacturing niobate-system ferroelectric thin-film device (2020-05-19),
14. 10497855 - Ferroelectric thin-film laminated substrate, ferroelectric thin-film device, and manufacturing method of ferroelectric thin-film laminated substrate (2019-12-03),
15. 10276777 - Ferroelectric thin-film laminated substrate, ferroelectric thin-film device,and manufacturing method of ferroelectric thin-film laminated substrate (2019-04-30),

Title: Kenji Shibata - Innovative Inventor from Tsukuba, Japan

Introduction: Kenji Shibata is a renowned inventor hailing from Tsukuba, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kenji Shibata holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse range of expertise and innovative spirit.

Career Highlights: With over two decades of experience in the tech industry, Kenji Shibata has worked with leading research institutions and tech companies, spearheading projects that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Kenji Shibata has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity that has led to numerous successful projects and inventions.

Conclusion: Kenji Shibata's passion for pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and tech enthusiasts 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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