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For the Inventor, By the Inventor

Gunma, Japan

Kazuo Chikaraishi

This inventor holds 25 USPTO granted patents and 1 EPO patent, primarily in Electric Power Steering. Top assignees: Nsk Corporation, Nsk Steering Systems Co., Ltd.. Active years: 1996-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Chikaraishi. Retrieved from https://idiyas.com/inventor/kazuo-chikaraishi

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

USPTO Granted Patents = 25

% Patents Active = 88.0


Average Co-Inventor Count = 1.7

ph-index = 10

Forward Citations = 190(Granted Patents)


Location History:

  • Takasaki, JP (1996 - 2001)
  • Gumna, JP (2002)
  • Gunma-ken, JP (2004 - 2007)
  • Maebashi, JP (2001 - 2008)
  • Gunma, JP (1996 - 2012)

Company Filing History:

goldMedal25 out of 2,467 
 
Nsk Corporation
 patents
silverMedal4 out of 41 
 
Nsk Steering Systems Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1996-2012

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Areas of Expertise:
Electric Power Steering
Worm Reduction Gear
Torque Sensor
Frictional Transmission
Motor-Driven Steering
Belt Speed Reducer
Steering Control Device
Coil Assembly
Thermal Expansion
Axial Displacement
Fixing Structure
25 patents (USPTO):Explore Patents
1. 8087974 - Manufacturing method for worm wheel, and worm gear reducer (2012-01-03),
2. 7591204 - Belt speed reducing apparatus for electric power steering apparatus and electric power steering apparatus (2009-09-22),
3. 7455149 - Worm reduction gear and electric power steering apparatus (2008-11-25),
4. 7455148 - Worm reduction gear and electric power steering apparatus (2008-11-25),
5. 7426978 - Electric power steering apparatus (2008-09-23),
6. 7410028 - Steering control device (2008-08-12),
7. 7360467 - Worm reduction gear and electric power steering apparatus (2008-04-22),
8. 7360457 - Electric power steering device (2008-04-22),
9. 7284635 - Electric power steering device (2007-10-23),
10. 7275618 - Electric power steering device (2007-10-02),
11. 7275451 - Electric power steering device (2007-10-02),
12. 7204167 - Motor-driven power steering apparatus (2007-04-17),
13. 7159688 - Electric power steering device (2007-01-09),
14. 6849025 - Frictional roller transmission (2005-02-01),
15. 6805017 - Motor-driven power steering device (2004-10-19),

Title: The Innovative Journey of Kazuo Chikaraishi

Introduction:

Kazuo Chikaraishi is a renowned inventor hailing from Gunma, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents:

Kazuo Chikaraishi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights:

With a career spanning over two decades, Kazuo Chikaraishi has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs. His expertise in merging cutting-edge technology with practical applications has earned him recognition in the industry.

Collaborations:

Throughout his career, Kazuo Chikaraishi has collaborated with top research institutions and universities in Japan, fostering a culture of innovation and knowledge-sharing. His collaborative efforts have resulted in the development of revolutionary technologies that have the potential to shape the future of various industries.

Conclusion:

In conclusion, Kazuo Chikaraishi's relentless pursuit of innovation and his passion for creating transformative technologies have solidified his position as a visionary inventor in the realm of technology. His contributions continue to inspire the next generation of inventors and pave the way for a more technologically advanced future.

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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