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For the Inventor, By the Inventor

Kyoto, Japan

Takatoki Sugi

This inventor holds 9 USPTO granted patents. Top assignee: Nidec Corporation. Active years: 2012-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takatoki Sugi. Retrieved from https://idiyas.com/inventor/takatoki-sugi

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

USPTO Granted Patents = 9

% Patents Active = 66.7

Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 30(Granted Patents)


Company Filing History:

goldMedal9 out of 1,524 
 
Nidec Corporation
 patents

Years Active: 2012-2015

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9 patents (USPTO):Explore Patents
1. 9190880 - Spindle motor, and disk drive apparatus including the spindle motor (2015-11-17),
2. 9058833 - Spindle motor, and disk drive apparatus including the spindle motor (2015-06-16),
3. 9047925 - Spindle motor, and disk drive apparatus including the spindle motor (2015-06-02),
4. 8879201 - Spindle motor, and disk drive apparatus including the spindle motor (2014-11-04),
5. 8879200 - Spindle motor, and disk drive apparatus including the spindle motor (2014-11-04),
6. 8749915 - Motor unit including circuit board arranged on a base portion and disk drive apparatus (2014-06-10),
7. 8593757 - Disk drive spindle motor with bearing mechanism fixed to base recessed portion using adhesive and shorter press-fit region (2013-11-26),
8. 8593756 - Spindle motor, and disk drive apparatus including the spindle motor (2013-11-26),
9. 8164851 - Base unit for use in storage disk drive apparatus, spindle motor including the base unit, and storage disk drive apparatus including the spindle motor (2012-04-24),

Title: Takatoki Sugi: Innovator in Spindle Motor Technology

Introduction

Takatoki Sugi is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of spindle motor technology, holding a total of 9 patents. His work has been instrumental in advancing the design and functionality of disk drive apparatuses.

Latest Patents

Among his latest patents, Sugi has developed innovative spindle motors and disk drive apparatuses that include these motors. One of his notable inventions features a spindle motor that consists of a base portion and a bearing mechanism. This design includes a fixing region that defines a seal gap between the base portion and the bearing mechanism. The inner circumferential portion of the base portion has a greater degree of surface roughness than the outer circumferential portion of the bearing mechanism. This unique design allows the seal gap to gradually decrease in radial width with increasing height, incorporating an adhesive along the entire circumference of the seal gap. Another patent describes a spindle motor with a shaft extending in an axial direction, which includes a non-through hole portion and two connection channels. This design enhances the overall efficiency and reliability of the motor.

Career Highlights

Takatoki Sugi is currently employed at Nidec Corporation, where he continues to innovate and develop cutting-edge technologies. His work has garnered recognition within the industry, contributing to the advancement of spindle motor applications.

Collaborations

Sugi has collaborated with notable colleagues, including Hiroshi Kobayashi and Tomohiro Yoneda. Their combined expertise has led to the successful development of various technologies in the field.

Conclusion

Takatoki Sugi's contributions to spindle motor technology have made a significant impact on the industry. His innovative designs and patents continue to shape the future of disk drive apparatuses.

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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