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For the Inventor, By the Inventor

Osaka, Japan

Keiji Onishi

This inventor holds 87 USPTO granted patents and 6 published patent applications and 3 EPO patents, primarily in Vibration Power Generation (CPC class 310313R). Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd.. Active years: 1995-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Onishi. Retrieved from https://idiyas.com/inventor/keiji-onishi

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

USPTO Granted Patents = 87 

% Patents Active = 59.8


Average Co-Inventor Count = 3.8

ph-index = 22

Forward Citations = 1,964(Granted Patents)

Forward Citations (Not Self Cited) = 1,837(Dec 10, 2025)


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Location History:

  • Settu, JP (1998 - 2001)
  • Settsu, JP (1995 - 2010)
  • Osaka, JP (1996 - 2016)

Company Filing History:

goldMedal53 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal32 out of 16,454 
 
Panasonic Corporation
 patents
bronzeMedal2 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
4. 1 out of 169 
 
Stichting Imec Nederland
 patents
where one patent can have more than one assignee

Years Active: 1995-2016

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Areas of Expertise:
Vibration Power Generator
MEMS Element
Acoustic Resonator
Piezoelectric Filter
High-Frequency Filter
Resonator
Communication Device
Micromachine Switch
Thin Film Elastic Wave Resonator
Surface Acoustic Wave Filter
Electromechanical Switch
Frequency-Variable Acoustic Thin Film
87 patents (USPTO):Explore Patents
1. 9407172 - Vibration power generator (2016-08-02),
2. 9233693 - Tire sensing system (2016-01-12),
3. 8933611 - Vibration power generator, vibration power generating device and communication device having vibration power generating device mounted thereon (2015-01-13),
4. 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),
5. 8742872 - MEMS element, and manufacturing method of MEMS element (2014-06-03),
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. 8698257 - Resonator and production method thereof (2014-04-15),
9. 8674582 - Vibration power generator, vibration power generating device and communication device having vibration power generating device mounted thereon (2014-03-18),
10. 8653717 - Vibration power generator, vibration power generating device, and electronic device and communication device having vibration power generating device mounted thereon (2014-02-18),
11. 8570112 - Oscillator with MEMS resonator (2013-10-29),
12. 8564170 - Vibration power generator, vibration power generation apparatus, and electric device and communication device with vibration power generation apparatus mounted thereon (2013-10-22),
13. 8525605 - Oscillator (2013-09-03),
14. 8516905 - MEMS pressure sensor (2013-08-27),
15. 8306499 - High-frequency filter (2012-11-06),

Title: Unveiling the Innovations of Keiji Onishi

Introduction:

Keiji Onishi, a prolific inventor hailing from Osaka, Japan, has made significant contributions to the field of technological advancements. With a remarkable portfolio of 87 patents, Onishi's dedication to innovation and problem-solving is truly commendable.

Latest Patents:

Among his latest patents is the groundbreaking 'Vibration Power Generator,' which revolutionizes energy generation through vibrational technology. Additionally, Onishi's 'Tire Sensing System' showcases his expertise in enhancing safety and efficiency in the automotive industry.

Career Highlights:

Having worked at Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation, Onishi has honed his skills and expertise in technological development. His ventures have resulted in tangible solutions that have the potential to shape the future of various industries.

Collaborations:

Throughout his career, Onishi has collaborated with esteemed professionals such as Hiroshi Nakatsuka and Takehiko Yamakawa. These collaborations have fostered a dynamic environment for ideation and innovation, leading to the creation of groundbreaking technologies.

Conclusion:

Keiji Onishi's inventive spirit, coupled with his relentless drive for progress, has established him as a trailblazer in the world of technological innovation. His patents and collaborations stand as a testament to his invaluable contributions to the realm of inventions.

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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