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For the Inventor, By the Inventor

Kyoto, Japan

Hisakazu Motomochi

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignee: Nidec Corporation. Active years: 2009-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisakazu Motomochi. Retrieved from https://idiyas.com/inventor/hisakazu-motomochi

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 40.0

Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 4(Granted Patents)


Location History:

  • Kyoto, JP (2009 - 2012)
  • Kyoko, JP (2012 - 2013)

Company Filing History:

goldMedal5 out of 1,529 
 
Nidec Corporation
 patents

Years Active: 2009-2013

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5 patents (USPTO):Explore Patents
1. 8352975 - Chucking device with a cone including a sliding portion, brushless motor using the same, and disk drive apparatus using the same (2013-01-08),
2. 8296789 - Chucking device, motor, disk drive apparatus and chucking device manufacturing method (2012-10-23),
3. 8243384 - Motor and disk drive apparatus (2012-08-14),
4. 7979873 - Chucking device for removably holding a disk with a central opening, brushless motor with the chucking device and disk drive apparatus with the brushless motor (2011-07-12),
5. 7552453 - Disk driving apparatus (2009-06-23),

Title: Hisakazu Motomochi: Innovator in Chucking Devices and Motors

Introduction

Hisakazu Motomochi is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of engineering, particularly in the development of chucking devices and brushless motors. With a total of 5 patents to his name, Motomochi continues to push the boundaries of innovation.

Latest Patents

Motomochi's latest patents include a chucking device with a cone that features a sliding portion, a brushless motor utilizing this technology, and a disk drive apparatus that incorporates the same principles. The chucking device is designed with a turntable fixed to a shaft, which has a central axis, and a cone positioned axially above the turntable. An annular yoke is placed above the sliding portion of the cone and is fixed to the shaft. This innovative design includes a clamp magnet that is adhered to the yoke, enhancing the device's functionality. The yoke's upper surface features an annular recess that is concentric with the central axis, allowing for improved performance.

Career Highlights

Motomochi is currently employed at Nidec Corporation, where he continues to develop cutting-edge technologies. His work has been instrumental in advancing the capabilities of chucking devices and motors, making significant impacts in various applications.

Collaborations

Throughout his career, Motomochi has collaborated with talented individuals such as Takuya Yamane and Haruhiko Ito. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Hisakazu Motomochi is a distinguished inventor whose work in chucking devices and motors has paved the way for advancements in technology. His contributions are a testament to the importance of innovation in engineering.

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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