IDiyas

For the Inventor, By the Inventor

Iwata, Japan

Hisashi Ohtsuki

USPTO Granted Patents = 58

 

Average Co-Inventor Count = 2.7

ph-index = 12

Forward Citations = 492(Granted Patents)

Forward Citations (Not Self Cited) = 463(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Iwata-gun, JP (1997 - 1998)
  • Shizuoka, JP (1995 - 2008)
  • Shizuoka-ken, JP (2001 - 2014)
  • Iwata, JP (2000 - 2016)

Company Filing History:

goldMedal58 out of 2,462 
 
Ntn Corporation
 patents

Years Active: 1995-2016

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58 patents (USPTO):Explore Patents
1. 9527345 - Wheel bearing apparatus (2016-12-27),
2. 9404531 - Bearing apparatus for wheel (2016-08-02),
3. 9097284 - Wheel bearing apparatus for a vehicle (2015-08-04),
4. 8790017 - Wheel bearing apparatus (2014-07-29),
5. 8678662 - Drive wheel bearing device (2014-03-25),
6. 8261447 - Method for manufacturing a drive wheel bearing device (2012-09-11),
7. 8192088 - Wheel support bearing assembly and method of making the same (2012-06-05),
8. 8186888 - Wheel bearing and a bearing apparatus for a wheel of vehicle of semi-floating type having the wheel bearing (2012-05-29),
9. 8157453 - Bearing device for wheel (2012-04-17),
10. 8007366 - Wheel bearing device (2011-08-30),
11. 7909517 - Wheel support bearing assembly and manufacturing method thereof (2011-03-22),
12. 7866893 - Bearing apparatus for a wheel of vehicle (2011-01-11),
13. 7862242 - Wheel bearing apparatus for a vehicle (2011-01-04),
14. 7692422 - Bearing assembly having rotation sensor and mounting structure to support sensor cap and connector (2010-04-06),
15. 7651275 - Wheel bearing apparatus (2010-01-26),

Title: The Innovative Mind of Hisashi Ohtsuki: Revolutionizing Wheel Bearing Technology

Introduction:

Hisashi Ohtsuki, a brilliant inventor hailing from Iwata, JP, has made significant contributions in the field of automotive technology with a remarkable portfolio of 58 patents to his name. His relentless pursuit of innovation has led to groundbreaking advancements in the design and functionality of wheel bearing apparatus.

Latest Patents:

Among his latest patents is the Wheel Bearing Apparatus, a cutting-edge system comprising an outer member, inner member, and double row rolling elements. This apparatus features a pulser ring on the inner ring, a rotational speed sensor on the second cap, and a unique construction for enhanced performance and accuracy.

Additionally, Ohtsuki's Bearing Apparatus for Wheel stands out for its exceptional durability, incorporating a part with improved fatigue strength in a non-hardened portion. This design ensures longevity and reliability, with specific compressive stress parameters meticulously maintained for optimal functionality.

Career Highlights:

Hisashi Ohtsuki has excelled in his role at NTN Corporation, a leading innovator in the automotive industry. Through his dedication and expertise, he has spearheaded the development of cutting-edge technologies that have set new standards in the field of wheel bearing systems.

Collaborations:

Throughout his career, Ohtsuki has collaborated closely with accomplished professionals such as Eiji Tajima and Akira Torii. Together, they have synergized their skills and knowledge to drive innovation and create solutions that have a lasting impact on the automotive sector.

Conclusion:

In conclusion, Hisashi Ohtsuki's inventive spirit and engineering prowess have cemented his legacy as a trailblazing figure in automotive technology. His ongoing commitment to pushing the boundaries of what is possible underscores his status as a true visionary in the realm of wheel bearing innovations.

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