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For the Inventor, By the Inventor

Nagoya, Japan

Kazumichi Hanai

This inventor holds 12 USPTO granted patents. Top assignee: Aisan Kogyo Kabushiki Kaisha. Active years: 1991-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumichi Hanai. Retrieved from https://idiyas.com/inventor/kazumichi-hanai

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

USPTO Granted Patents = 12

% Patents Active = 66.7

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 113(Granted Patents)


Location History:

  • Obu, JP (1991 - 2012)
  • Nagoya, JP (2012 - 2014)
  • Aichi-ken, JP (2016)

Company Filing History:

goldMedal12 out of 806 
 
Aisan Kogyo Kabushiki Kaisha
 patents

Years Active: 1991-2016

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12 patents (USPTO):Explore Patents
1. 9246365 - Regulation of permanent magnet motion in a brushless motor (2016-01-26),
2. 8647082 - Fuel pump (2014-02-11),
3. 8333175 - Fuel supply systems (2012-12-18),
4. 8297913 - Fuel pump (2012-10-30),
5. 8288903 - Stator of rotary electric motor and fuel pump (2012-10-16),
6. 8264186 - Control devices for fuel pump driving motors (2012-09-11),
7. 7063502 - Fuel pump (2006-06-20),
8. 7025561 - Fuel pump (2006-04-11),
9. 6047672 - Engine valve-driving electromagnetic valve (2000-04-11),
10. 5148678 - Exhaust gas flow control valve for internal combustion engine (1992-09-22),
11. 5053664 - Motor-driven fuel pump (1991-10-01),
12. 5009575 - Vapor lock preventing mechanism in motor-driven fuel pump (1991-04-23),

Title: Kazumichi Hanai: Innovator in Brushless Motor and Fuel Pump Technologies

Introduction

Kazumichi Hanai is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the fields of motor technology and fuel systems. With a total of 12 patents to his name, Hanai continues to push the boundaries of innovation in his industry.

Latest Patents

One of Hanai's latest patents focuses on the regulation of permanent magnet motion in a brushless motor. This invention includes a rotor with a shaft, a back yoke fixed on the shaft, and a permanent magnet positioned at the outer circumference of the back yoke. The design incorporates first and second resin portions that secure the back yoke and the permanent magnet. Additionally, a communication hole is formed through the back yoke, allowing for enhanced functionality.

Another notable patent is for a fuel pump that features a motor section comprising a rotor and a stator. This design includes permanent magnet parts arranged along a circumferential surface, with magnetic material parts strategically placed between them. The first yoke faces the permanent magnet parts, and slots are formed on the yoke to optimize performance.

Career Highlights

Kazumichi Hanai is currently employed at Aisan Kogyo Kabushiki Kaisha, where he applies his expertise in developing advanced motor and fuel pump technologies. His work has been instrumental in enhancing the efficiency and reliability of these systems.

Collaborations

Hanai collaborates with talented individuals such as Yoshihiko Honda and Hikaru Kikuta. Their combined efforts contribute to the innovative projects at Aisan Kogyo Kabushiki Kaisha.

Conclusion

Kazumichi Hanai is a distinguished inventor whose work in brushless motors and fuel pumps has made a significant impact on the industry. His innovative patents and collaborations continue to drive advancements in 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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