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For the Inventor, By the Inventor

Chigasaki, Japan

Yasuji Ishizuka

This inventor holds 11 USPTO granted patents and 1 EPO patent. Top assignee: Nissan Motor Company Limited. Active years: 2000-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuji Ishizuka. Retrieved from https://idiyas.com/inventor/yasuji-ishizuka

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

USPTO Granted Patents = 11

% Patents Active = 63.6


Average Co-Inventor Count = 2.6

ph-index = 6

Forward Citations = 81(Granted Patents)


Location History:

  • Kanagawa, JP (2000 - 2001)
  • West Bloomfield, MI (US) (2006)
  • Chigasaki, JP (2001 - 2013)

Company Filing History:

goldMedal11 out of 13,420 
 
Nissan Motor Company Limited
 patents

Years Active: 2000-2013

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11 patents (USPTO):Explore Patents
1. 8607545 - Air-fuel ratio control device (2013-12-17),
2. 8176728 - Air-fuel ratio control device (2012-05-15),
3. 8141343 - Air-fuel ratio control apparatus (2012-03-27),
4. 7536999 - Air-fuel ratio control apparatus (2009-05-26),
5. 7121086 - Desulphating of nitrogen oxide trapping catalyst (2006-10-17),
6. 6766640 - Engine exhaust purification device (2004-07-27),
7. 6263666 - Exhaust emission control device for internal combustion engine (2001-07-24),
8. 6185929 - Exhaust emission control system for internal combustion engine (2001-02-13),
9. 6116023 - Internal combustion engine with NOx absorbent catalyst (2000-09-12),
10. 6101809 - Exhaust gas purifying system of internal combustion engine (2000-08-15),
11. 6050086 - Exhaust emission control apparatus for internal combustion engine (2000-04-18),

Title: Yasuji Ishizuka - Innovative Inventor from Chigasaki, Japan

Introduction: Yasuji Ishizuka is a renowned inventor hailing from Chigasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Ishizuka's latest patents include cutting-edge advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to pushing the boundaries of technological development.

Career Highlights: With a career spanning over three decades, Ishizuka has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Ishizuka has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Yasuji Ishizuka's relentless pursuit of innovation and his passion for creating a better future through technology make him a true visionary in the world of inventors.

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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