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For the Inventor, By the Inventor

Kitakyushu, Japan

Masafumi Tamai

This inventor holds 4 USPTO granted patents. Top assignee: Kabushiki Kaisha Yaskawa Denki. Active years: 2002-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masafumi Tamai. Retrieved from https://idiyas.com/inventor/masafumi-tamai

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

USPTO Granted Patents = 4

% Patents Active = 50.0

Average Co-Inventor Count = 3.9

ph-index = 4

Forward Citations = 57(Granted Patents)


Location History:

  • Kitakyushu, JP (2002 - 2004)
  • Fukuoka, JP (2005)

Company Filing History:

goldMedal4 out of 1,138 
 
Kabushiki Kaisha Yaskawa Denki
 patents

Years Active: 2002-2005

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4 patents (USPTO):Explore Patents
1. 6946755 - Linear motor (2005-09-20),
2. 6750571 - Magnetically shielded linear motors, and stage apparatus comprising same (2004-06-15),
3. 6701803 - Reduction gears-integrated actuator (2004-03-09),
4. 6343242 - Protective device for clean robot (2002-01-29),

Title: Masafumi Tamai: Innovator in Linear Motor Technology

Introduction

Masafumi Tamai is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of linear motor technology, holding a total of 4 patents. His innovative designs focus on enhancing the efficiency and performance of linear motors, which are crucial in various applications.

Latest Patents

Tamai's latest patents include a groundbreaking linear motor design that features a tabular heat pipe strategically placed between multiple coil rows. This design allows for efficient heat transfer from the armature coil to the frame, preventing a decrease in rotor thrust due to rising temperatures. Another notable patent involves magnetically shielded linear motors and stage apparatus that ensure high-accuracy positioning while minimizing stray magnetic-field fluctuations. These advancements demonstrate Tamai's commitment to improving the functionality and reliability of linear motor systems.

Career Highlights

Masafumi Tamai is associated with Kabushiki Kaisha Yaskawa Denki, a leading company in the field of automation and robotics. His work at Yaskawa Denki has allowed him to collaborate with other talented engineers and researchers, further enhancing his contributions to the industry.

Collaborations

Some of Tamai's notable coworkers include Ryuichirou Tominaga and Akihiro Nomura. Their collaborative efforts have played a significant role in advancing the technology behind linear motors and related applications.

Conclusion

Masafumi Tamai's innovative work in linear motor technology has positioned him as a key figure in the field. His patents reflect a deep understanding of engineering principles and a commitment to enhancing performance in practical applications.

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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