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For the Inventor, By the Inventor

Aki-gun, Japan

Mikihito Fujii

This inventor holds 15 USPTO granted patents. Top assignee: Mazda Motor Corporation. Active years: 1991-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mikihito Fujii. Retrieved from https://idiyas.com/inventor/mikihito-fujii

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 = 66.7

Average Co-Inventor Count = 3.6

ph-index = 6

Forward Citations = 116(Granted Patents)


Location History:

  • Fuchu-cho, JP (2001)
  • Hiroshima, JP (1991 - 2015)
  • Aki-gun, JP (2009 - 2016)

Company Filing History:

goldMedal15 out of 4,751 
 
Mazda Motor Corporation
 patents

Years Active: 1991-2016

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15 patents (USPTO):Explore Patents
1. 9255503 - Exhaust device for multicylinder engine (2016-02-09),
2. 9188095 - Intake and exhaust system for multi-cylinder engine (2015-11-17),
3. 9140173 - Exhaust apparatus for multi-cylinder engine (2015-09-22),
4. 8311724 - Method of controlling engine system and engine system (2012-11-13),
5. 8141357 - Supercharger for an engine (2012-03-27),
6. 7628015 - Control for electrically driven supercharger (2009-12-08),
7. 6684630 - Direct-injection spark-ignition engine with a turbo charging device (2004-02-03),
8. 6550445 - Spark-ignition direct injection engine with supercharger (2003-04-22),
9. 6240724 - Control device for direct injection engine (2001-06-05),
10. 5161492 - Intake system for multi-cylinder engine (1992-11-10),
11. 5144918 - Intake system for engine (1992-09-08),
12. 5133308 - Intake system for engine (1992-07-28),
13. 5080051 - Intake system for engine (1992-01-14),
14. 5074258 - Intake system for multiple-cylinder engine (1991-12-24),
15. 4989553 - Air intake device of engine (1991-02-05),

Title: Mikihito Fujii: Innovator in Engine Technology

Introduction

Mikihito Fujii is a prominent inventor based in Aki-gun, Japan. He has made significant contributions to the field of engine technology, holding a total of 15 patents. His innovative designs focus on improving the efficiency and performance of multi-cylinder engines.

Latest Patents

Fujii's latest patents include an exhaust device for multicylinder engines and an intake and exhaust system for multi-cylinder engines. The exhaust device features multiple independent exhaust passages connected to the exhaust port of one or more cylinders that are non-sequential in exhaust order. It incorporates a mixing pipe that channels exhaust from these passages, along with a cavity expansion chamber designed to optimize exhaust flow during the engine's operation. The intake and exhaust system also utilizes independent exhaust passages and a collecting pipe, with a volume-enlarged portion that enhances the pressure wave dynamics of exhaust gases.

Career Highlights

Mikihito Fujii is currently employed at Mazda Motor Corporation, where he continues to develop innovative solutions for engine performance. His work has been instrumental in advancing the technology used in modern vehicles, contributing to both efficiency and environmental sustainability.

Collaborations

Fujii has collaborated with notable colleagues such as Toshihiko Hattori and Mitsuo Hitomi. Their combined expertise has fostered a creative environment that encourages the development of cutting-edge automotive technologies.

Conclusion

Mikihito Fujii's contributions to engine technology through his patents and collaborations highlight his role as a key innovator in the automotive industry. His work continues to influence the future of engine design and performance.

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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