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For the Inventor, By the Inventor

Hitachinaka, Japan

Yuichi Kitahara

This inventor holds 20 USPTO granted patents and 1 EPO patent. Top assignees: Hitachi, Ltd., Honda Motor Co., Ltd., Other. Active years: 1998-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuichi Kitahara. Retrieved from https://idiyas.com/inventor/yuichi-kitahara

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

USPTO Granted Patents = 20

% Patents Active = 70.0


Average Co-Inventor Count = 7.1

ph-index = 7

Forward Citations = 184(Granted Patents)


Company Filing History:

goldMedal18 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 22,006 
 
Honda Motor Co., Ltd.
 patents
bronzeMedal2 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1998-2008

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20 patents (USPTO):Explore Patents
1. 7438866 - Emission gas purification catalyst and internal combustion engine provided with the catalyst (2008-10-21),
2. 7093432 - Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine (2006-08-22),
3. 7010910 - Exhaust gas purification apparatus (2006-03-14),
4. 6883305 - Method for cleaning exhaust gas from an internal combustion engine (2005-04-26),
5. 6841511 - Internal combustion engine exhaust gas purification apparatus, exhaust gas purification process and exhaust gas purification catalyst (2005-01-11),
6. 6823659 - Moisture removal device and method thereof for internal combustion engine use exhaust gas cleaning device (2004-11-30),
7. 6630115 - Exhaust emission control process for internal combustion engines (2003-10-07),
8. 6596247 - Method for purifying exhaust gas from internal combustion engines (2003-07-22),
9. 6517784 - Exhaust gas purifying apparatus for an internal combustion engine (2003-02-11),
10. 6401454 - Engine control device (2002-06-11),
11. 6397582 - Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine (2002-06-04),
12. 6305161 - Method of purifying exhaust gas of internal combustion engine and apparatus thereof (2001-10-23),
13. 6272848 - Exhaust gas cleaning apparatus and method for internal combustion engine (2001-08-14),
14. 6212880 - Engine control device (2001-04-10),
15. 6161378 - Exhaust gas purification apparatus of internal combustion engine and (2000-12-19),

Title: Yuichi Kitahara: Pioneering Inventor from Hitachinaka

Introduction: Yuichi Kitahara is a renowned inventor hailing from Hitachinaka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yuichi Kitahara holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Yuichi Kitahara has worked with leading tech companies and research institutions, playing a key role in developing cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Yuichi Kitahara has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge sharing to drive progress in the field of technology.

Conclusion: Yuichi Kitahara's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, inspiring the next generation of innovators to push the limits of what is possible in the world of technology.

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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