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For the Inventor, By the Inventor

Gifu, Japan

Masanori Hirai

This inventor holds 12 USPTO granted patents and 3 EPO patents. Top assignees: Nabtesco Corporation, Teijin Seiki Co., Ltd.. Active years: 1990-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Hirai. Retrieved from https://idiyas.com/inventor/masanori-hirai

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

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 100.0


Average Co-Inventor Count = 1.4

ph-index = 6

Forward Citations = 79(Granted Patents)


Location History:

  • Gifu, JP (1990 - 2016)
  • Fuwa-gun, JP (2008 - 2017)
  • Gifu-ken, JP (2017)

Company Filing History:

goldMedal6 out of 400 
 
Nabtesco Corporation
 patents
silverMedal6 out of 220 
 
Teijin Seiki Co., Ltd.
 patents

Years Active: 1990-2017

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12 patents (USPTO):Explore Patents
1. 9765867 - Electromechanical actuator (2017-09-19),
2. 9618102 - Electromechanical actuator and actuator unit (2017-04-11),
3. 9353774 - Fluid actuator (2016-05-31),
4. 8505399 - Electric actuator (2013-08-13),
5. 8474339 - Electric actuator (2013-07-02),
6. 7397209 - Actuator (2008-07-08),
7. 5477741 - Motion transforming mechanism (1995-12-26),
8. 5203222 - Motion converting mechanism (1993-04-20),
9. 5187994 - Rotary motion to longitudinal motion converting mechanism (1993-02-23),
10. 5145041 - Motion converting mechanism (1992-09-08),
11. 5123331 - Stability compensating circuit of actuator system (1992-06-23),
12. 4967124 - Servo control apparatus (1990-10-30),

Title: Masanori Hirai: Innovator in Electromechanical Actuators

Introduction

Masanori Hirai is a prominent inventor based in Gifu, Japan, known for his significant contributions to the field of electromechanical actuators. With a total of 12 patents to his name, Hirai has made remarkable advancements in actuator technology, enhancing the functionality and reliability of various mechanical systems.

Latest Patents

Hirai's latest patents include innovative designs for electromechanical actuators. One notable patent describes an electromechanical actuator that features a first electric motor, a first motion conversion mechanism, a second motion conversion mechanism, and a rotation restriction mechanism. This design allows for precise control of movement, ensuring that the actuator operates efficiently under various conditions. Another patent focuses on an actuator that remains functional even in the event of a jammed state or motor stop. This actuator includes a housing, a conversion mechanism, a sliding support mechanism, and a piston portion that is controlled by fluid pressure, showcasing Hirai's commitment to creating robust and reliable systems.

Career Highlights

Throughout his career, Masanori Hirai has worked with notable companies such as Nabtesco Corporation and Teijin Seiki Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge projects in the field of electromechanical systems.

Collaborations

Hirai has collaborated with talented individuals in his field, including Hiroyuki Takenaka and Hidekazu Yokoi. These partnerships have fostered innovation and have led to the development of advanced technologies in actuator design.

Conclusion

Masanori Hirai's work in electromechanical actuators exemplifies his dedication to innovation and engineering excellence. His patents reflect a deep understanding of mechanical systems and a commitment to improving their performance. Through his contributions, Hirai continues to influence the future of actuator technology.

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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