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For the Inventor, By the Inventor

Osaka, Japan

Hiroshi Nakatsuka

This inventor holds 62 USPTO granted patents and 3 published patent applications and 2 EPO patents, primarily in Vibration Power Generation (CPC class H01L). Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd.. Active years: 1993-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Nakatsuka. Retrieved from https://idiyas.com/inventor/hiroshi-nakatsuka

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

USPTO Granted Patents = 62 

% Patents Active = 29.0


Average Co-Inventor Count = 3.7

ph-index = 10

Forward Citations = 571(Granted Patents)

Forward Citations (Not Self Cited) = 549(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Neyagawa, JP (2000 - 2004)
  • Osaka-fu, JP (2007)
  • Katano, JP (2005 - 2009)
  • Osaka, JP (1993 - 2020)

Company Filing History:

goldMedal31 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal26 out of 16,454 
 
Panasonic Corporation
 patents
bronzeMedal3 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
4. 2 out of 3,946 
 
Nitto-Denko Corporation
 patents
5. 1 out of 169 
 
Stichting Imec Nederland
 patents
where one patent can have more than one assignee

Years Active: 1993-2020

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Areas of Expertise:
Vibration Power Generator
Vibration Generation Device
Communication Device
Piezoelectric Filter
Acoustic Resonator
Thin Film Resonator
High-Frequency Filter
Electromechanical Switch
Micromachine Switch
Duplexer Circuit
Filter Module
Silicon Oxide Electret
62 patents (USPTO):Explore Patents
1. 10649000 - Connection assembly (2020-05-12),
2. 10534013 - Sensor (2020-01-14),
3. 9407172 - Vibration power generator (2016-08-02),
4. 8933611 - Vibration power generator, vibration power generating device and communication device having vibration power generating device mounted thereon (2015-01-13),
5. 8803401 - Vibration power generator, vibration power generating device, and electronic device and communication device that have the vibration power generating device installed (2014-08-12),
6. 8716916 - Vibration generator, vibration generation device, and electronic equipment and communication device provided with vibration generation device (2014-05-06),
7. 8710712 - Vibration power generator and vibration power generation device, and communication device and electronic equipment with vibration power generation device (2014-04-29),
8. 8674582 - Vibration power generator, vibration power generating device and communication device having vibration power generating device mounted thereon (2014-03-18),
9. 8653717 - Vibration power generator, vibration power generating device, and electronic device and communication device having vibration power generating device mounted thereon (2014-02-18),
10. 8564170 - Vibration power generator, vibration power generation apparatus, and electric device and communication device with vibration power generation apparatus mounted thereon (2013-10-22),
11. 8306499 - High-frequency filter (2012-11-06),
12. 8289103 - Filter device having attenuation poles (2012-10-16),
13. 8288917 - Silicon oxide electret electrode with laminate insulating film surrounding short conductive film (2012-10-16),
14. 8115577 - Electromechanical switch, filter using the same, and communication apparatus (2012-02-14),
15. 8049581 - Piezoelectric filter and method for manufacturing the same (2011-11-01),

Title: Inventor Hiroshi Nakatsuka: Pioneering Innovations in Sensor Technology

Introduction: Hiroshi Nakatsuka, an esteemed inventor based in Osaka, Japan, has made significant contributions to the field of technology with a remarkable portfolio of 62 patents. His work primarily focuses on cutting-edge innovations in sensor technology and connection assemblies, showcasing his dedication to advancing the industry.

Latest Patents: Among Nakatsuka's latest inventions are two notable patents. The first is a connection assembly that encompasses a sensor substrate and a layer substrate, along with a wire that provides a reliable connection between the two elements. This design features first and second projections on the upper surface of the sensor substrate, enhancing the robustness of the connection.

The second patent is for a sensor that includes a sensor element housed within a package. This innovative sensor incorporates a grounding electrode and a lead that ensures reliable connections without the need for soldering, effectively sealing the package's opening. These patents reflect Nakatsuka's commitment to reliability and practicality in sensor design.

Career Highlights: Nakatsuka's career includes extensive experience at notable companies, such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His contributions to these organizations have solidified his reputation as a skilled inventor in the realm of technology.

Collaborations: Throughout his career, Nakatsuka has collaborated with talented colleagues, including Keiji Onishi and Takehiko Yamakawa. These partnerships have allowed him to further his innovations and enhance the collective expertise in their field.

Conclusion: Hiroshi Nakatsuka continues to be a prominent figure in the world of invention and innovation, particularly in sensor technology. His extensive patent portfolio and collaborative efforts underline his passion for creating groundbreaking solutions that benefit the industry and society as a whole.

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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