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For the Inventor, By the Inventor

Tokyo, Japan

Hajime Yamanaka

This inventor holds 9 USPTO granted patents. Top assignee: Sony Corporation. Active years: 2005-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Yamanaka. Retrieved from https://idiyas.com/inventor/hajime-yamanaka

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

USPTO Granted Patents = 9

Average Co-Inventor Count = 2.1

ph-index = 2

Forward Citations = 28(Granted Patents)


Company Filing History:

goldMedal9 out of 58,145 
 
Sony Corporation
 patents

Years Active: 2005-2008

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9 patents (USPTO):Explore Patents
1. 7365508 - Motor, actuator and controller thereof (2008-04-29),
2. 6998809 - Robot apparatus, and load absorbing apparatus and method (2006-02-14),
3. 6995535 - Robot apparatus, and load absorbing apparatus and method (2006-02-07),
4. 6989645 - Robot apparatus, and load absorbing apparatus and method (2006-01-24),
5. 6987374 - Robot apparatus, and load absorbing apparatus and method (2006-01-17),
6. 6979969 - Robot apparatus, and load absorbing apparatus and method (2005-12-27),
7. 6965210 - Robot apparatus, and load absorbing apparatus and method (2005-11-15),
8. 6956346 - Robot apparatus, and load absorbing apparatus and method (2005-10-18),
9. 6956345 - Robot apparatus, and load absorbing apparatus and method (2005-10-18),

Title: Hajime Yamanaka: Innovator in Motor Technology

Introduction

Hajime Yamanaka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of motor technology, holding a total of 9 patents. His innovative designs and solutions have advanced the functionality and efficiency of various motor systems.

Latest Patents

Yamanaka's latest patents include a motor, actuator, and controller that enhance the performance of motors. This motor features coil on/off switching devices that allow for efficient control of current supply to the coils. The design addresses torque loss and cogging issues by adjusting the switching states based on the required mechanical compliance or viscosity resistance. Another notable patent involves a robot apparatus and a load absorbing method that effectively detects and reduces overload conditions in motors. This invention ensures the longevity and reliability of motor systems by monitoring torque and energy variations.

Career Highlights

Hajime Yamanaka is currently employed at Sony Corporation, where he continues to innovate and develop advanced motor technologies. His work has been instrumental in enhancing the performance of various products within the company.

Collaborations

Yamanaka has collaborated with notable colleagues such as Masatsugu Iribe and Yoshihiro Itoh. Their combined expertise has contributed to the successful development of innovative motor solutions.

Conclusion

Hajime Yamanaka's contributions to motor technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of mechanical systems and a commitment to solving complex engineering challenges.

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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