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For the Inventor, By the Inventor

Susono, Japan

Kazuki Iwatani

This inventor holds 15 USPTO granted patents and 3 published patent applications and 11 EPO patents. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2003-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuki Iwatani. Retrieved from https://idiyas.com/inventor/kazuki-iwatani

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

USPTO Granted Patents = 15 

% Patents Active = 13.3

 

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 63(Granted Patents)


Company Filing History:

goldMedal15 out of 38,837 
 
Toyota Jidosha Kabushiki Kaisha
 patents

Years Active: 2003-2017

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15 patents (USPTO):Explore Patents
1. 9657629 - Exhaust gas purification apparatus for internal combustion engine (2017-05-23),
2. 9488080 - Exhaust gas purification apparatus for internal combustion engine (2016-11-08),
3. 9435278 - Control system for internal combustion engine (2016-09-06),
4. 9212586 - Exhaust gas purification apparatus for internal combustion engine (2015-12-15),
5. 9026338 - Control apparatus for internal combustion engine (2015-05-05),
6. 8904994 - Ammonia burning internal combustion engine (2014-12-09),
7. 8820297 - Control device for internal combustion engine (2014-09-02),
8. 8813493 - Supercharger control device for an internal combustion engine (2014-08-26),
9. 8763396 - Control apparatus of vehicle (2014-07-01),
10. 8720417 - Control system of internal combustion engine (2014-05-13),
11. 8534237 - Control system of internal combustion engine (2013-09-17),
12. 8423267 - Cetane number detection device and cetane number detection method (2013-04-16),
13. 6895904 - Internal combustion engine with regenerator (2005-05-24),
14. 6681725 - Internal combustion engine with regenerator (2004-01-27),
15. 6629512 - Internal combustion engine with heat accumulating device (2003-10-07),

Title: Kazuki Iwatani: Innovating Exhaust Gas Purification Systems

Introduction

Kazuki Iwatani is a prominent inventor based in Susono, Japan, known for his significant contributions to the field of exhaust gas purification systems. With a remarkable portfolio of 15 patents, he has dedicated his career to enhancing the performance and efficiency of internal combustion engines.

Latest Patents

His latest inventions focus on advanced exhaust gas purification apparatuses designed for internal combustion engines. One notable patent involves an exhaust gas purification apparatus that integrates an oxidation catalyst and a selective catalytic reduction catalyst within the exhaust gas passage. This invention boasts an improved overall NOx purification rate. The control unit in this system effectively manages the fuel supply to the oxidation catalyst, optimizing NOx reduction in varying operational states of the catalysts. Moreover, another recent patent aims to suppress the reduction in NOx purification ratios by implementing strict controls on fuel injection from a fuel addition valve, which mitigates the risk of blockages.

Career Highlights

Kazuki Iwatani is currently affiliated with Toyota Motor Corporation, where he applies his expertise to the development of innovative automotive technologies. His work at Toyota underscores the company’s commitment to environmental stewardship through enhanced fuel efficiency and reduced emissions.

Collaborations

Throughout his career, Iwatani has collaborated with notable colleagues such as Makoto Suzuki and Katuhiko Arisawa. These partnerships have fostered an environment of innovation and excellence, further propelling advancements in automotive engineering.

Conclusion

In conclusion, Kazuki Iwatani’s contributions to the field of exhaust gas purification mark significant strides in the automotive industry. His forward-thinking approach and dedication to innovation continue to shape the future of cleaner and more efficient internal combustion engines.

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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