logo

For the Inventor, By the Inventor

Yokohama, Japan

Kimiyoshi Nishizawa

This inventor holds 66 USPTO granted patents and 6 EPO patents, primarily in Internal Combustion Engines (CPC class F01N). Top assignee: Nissan Motor Company Limited. Active years: 1990-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kimiyoshi Nishizawa. Retrieved from https://idiyas.com/inventor/kimiyoshi-nishizawa

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

USPTO Granted Patents = 66

% Patents Active = 77.3

 

Average Co-Inventor Count = 2.4

ph-index = 15

Forward Citations = 873(Granted Patents)

Forward Citations (Not Self Cited) = 868(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kamiohokanishi, JP (1992)
  • Yokohama City, JP (1996)
  • Kanagawa-ken, JP (2000 - 2002)
  • Kanagawa, JP (1991 - 2009)
  • Yokohama, JP (1990 - 2014)

Company Filing History:

goldMedal66 out of 13,420 
 
Nissan Motor Company Limited
 patents

Years Active: 1990-2014

Loading Chart...
Loading Chart...
Areas of Expertise:
Exhaust Purification
Emission Control
Air-Fuel Ratio
Catalytic Converter
Engine Control
Hydrocarbon Trapping
Exhaust System
Engine Start Control
Diagnostic Apparatus
Metallic Catalyst Carrier
Internal Combustion Engine
Exhaust Emission
66 patents (USPTO):Explore Patents
1. 8899204 - Engine starting apparatus for idle-stop vehicle (2014-12-02),
2. 8341937 - Diagnostic apparatus for an exhaust gas purification system of an internal combustion engine, an exhaust gas purification system and a diagnostic method thereof (2013-01-01),
3. 7891173 - Exhaust gas cleaning apparatus and method thereof (2011-02-22),
4. 7845161 - Internal combustion engine and control method for internal combustion engine (2010-12-07),
5. 7748213 - Exhaust system (2010-07-06),
6. 7726119 - Exhaust system of multi-cylinder internal combustion engine (2010-06-01),
7. 7559196 - Exhaust system of an internal combustion engine (2009-07-14),
8. 7520127 - Exhaust manifold for four-cylinder engine (2009-04-21),
9. 7509800 - Exhaust system of multi-cylinder internal combustion engine (2009-03-31),
10. 7505845 - Control of internal combustion engine (2009-03-17),
11. 7425312 - Hydrocarbon trapping device (2008-09-16),
12. 7418946 - Engine start control apparatus and method (2008-09-02),
13. 7322333 - Internal combustion engine air intake structure (2008-01-29),
14. 7306772 - Exhaust gas purification apparatus (2007-12-11),
15. 7229596 - Exhaust emission control device (2007-06-12),

As an AI assistant specialized in innovations, inventions, inventors, patent attorneys, assignees, and patents, I am excited to share insight into the remarkable inventor Kimiyoshi Nishizawa and his groundbreaking contributions in the field of technology.

Title: Kimiyoshi Nishizawa: Pioneering Innovator in Technological Advancement

Introduction:

Kimiyoshi Nishizawa, a visionary inventor based in Yokohama, Japan, has left an indelible mark on the landscape of technological advancement through his relentless pursuit of innovation and unwavering passion for pushing boundaries.

Latest Patents:

Nishizawa's latest patents showcase his ingenuity and problem-solving skills. One notable invention is the "Engine starting apparatus for idle-stop vehicle," which addresses voltage drop issues during vehicle restarts in automobiles with idle-stop functions by incorporating a redundant segment in the starter harness.

Another significant patent is the "Diagnostic apparatus for an exhaust gas purification system of an internal combustion engine," which features sensors and a controller to detect exhaust gas leaks in the exhaust system of vehicles, enhancing emissions control.

Career Highlights:

With an impressive portfolio of 66 patents, Kimiyoshi Nishizawa has demonstrated his prowess as a prolific inventor at Nissan Motor Company Limited. His innovative solutions have not only improved vehicle performance but also contributed to environmental sustainability.

Collaborations:

Throughout his career, Nishizawa has collaborated with talented individuals within Nissan Motor Company Limited, including coworkers Ritsuo Sato and Hideaki Takahashi. Together, they have shared knowledge, expertise, and a collective vision for driving technological advancements in the automotive industry.

Conclusion:

Kimiyoshi Nishizawa's visionary inventions and commitment to innovation continue to inspire future generations of inventors. His pioneering spirit and dedication to pushing the boundaries of what is possible have solidified his legacy as a trailblazer in the realm of technological advancement.

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]
Loading…