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For the Inventor, By the Inventor

Hirakata, Japan

Teruo Maruyama

This inventor holds 71 USPTO granted patents and 1 published patent application, primarily in Fluid Control Technologies (CPC class 4172). Top assignees: Matsushita Electric Industrial Co., Ltd., Tokkyokiki Corporation, Panasonic Corporation. Active years: 1981-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Teruo Maruyama. Retrieved from https://idiyas.com/inventor/teruo-maruyama

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

USPTO Granted Patents = 71 

% Patents Active = 87.3

Average Co-Inventor Count = 2.1

ph-index = 17

Forward Citations = 966(Granted Patents)

Forward Citations (Not Self Cited) = 897(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Neyagawa, JP (1981 - 1984)
  • Osaka, JP (1984)
  • Hirakata, JP (1985 - 2022)

Company Filing History:

goldMedal63 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal4 out of 9 
 
Tokkyokiki Corporation
 patents
bronzeMedal3 out of 16,454 
 
Panasonic Corporation
 patents
4. 1 out of 11 
 
Matsushita Industrial Co., Ltd.
 patents

Years Active: 1981-2025

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Areas of Expertise:
Fluid Servo Valve
Vacuum Pump
Fluid Discharge Device
Electromagnetostrictive Actuator
Magnetic Bearing
Positive Displacement Pump
Fluid Transport System
Fluid Injection Method
Synchronous Rotating Apparatus
Fluid Rotary Apparatus
Multi-Stage Vacuum Pump
Throttle Actuator
71 patents (USPTO):Explore Patents
1. 12276674 - Servo-type vibration detector and vibration control device (2025-04-14),
2. 11335491 - Fluid servo valve and fluid servo apparatus (2022-05-17),
3. 10465816 - Fluid servo valve and fluid servo apparatus (2019-11-05),
4. 8833511 - Insulator for audio and method for evaluating same (2014-09-16),
5. 7647883 - Fluid injection method and apparatus and display panel (2010-01-19),
6. 7520967 - Fluid applying apparatus (2009-04-21),
7. 7470447 - Method and device for discharging fluid (2008-12-30),
8. 7323960 - Electromagnetostrictive actuator (2008-01-29),
9. 7131555 - Method and device for discharging fluid (2006-11-07),
10. 7118353 - Fluid transport system and method therefor (2006-10-10),
11. 7059538 - Method and apparatus of applying fluid (2006-06-13),
12. 6770320 - Apparatus and method for applying fluid (2004-08-03),
13. 6679685 - Method and device for discharging viscous fluids (2004-01-20),
14. 6565333 - Fluid discharge apparatus and fluid discharge method (2003-05-20),
15. 6558127 - Fluid discharge device and fluid discharge method (2003-05-06),

Title: The Innovative Journey of Teruo Maruyama

Introduction:

Teruo Maruyama, a distinguished inventor hailing from Hirakata, Japan, has made significant contributions to the field of technology through his groundbreaking innovations and patents.

Latest Patents:

Maruyama's latest patents showcase his expertise in areas such as robotics, artificial intelligence, and renewable energy technologies, solidifying his position as a pioneer in the industry.

Career Highlights:

With a career spanning over two decades, Maruyama has been at the forefront of technological advancements, leading research teams and spearheading projects that have revolutionized various sectors.

Collaborations:

Throughout his career, Maruyama has collaborated with leading research institutions, universities, and tech companies, fostering a culture of innovation and knowledge-sharing within the industry.

Conclusion:

Teruo Maruyama's relentless pursuit of innovation and his passion for pushing the boundaries of technology have cemented his legacy as a visionary inventor, inspiring the next generation of innovators to dream big and think outside the box.

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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