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For the Inventor, By the Inventor

Tokyo, Japan

Koji Morikawa

This inventor holds 45 USPTO granted patents and 6 published patent applications and 3 EPO patents, primarily in Combustion Engine Technology. Top assignees: Fuji Jukogyo Kabushiki Kaisha, Keio University, Lifescapes Inc.. Active years: 1984-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Morikawa. Retrieved from https://idiyas.com/inventor/koji-morikawa-zs4dstis

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

Calculating rank
USPTO Granted Patents = 45 

% Patents Active = 93.3

 

Average Co-Inventor Count = 1.2

ph-index = 17

Forward Citations = 955(Granted Patents)


Location History:

  • Naritahigashi, JP (1987)
  • Musashino, JP (1990 - 1992)
  • Muashino, JP (1994 - 1995)
  • Tokyo-To, JP (1997)
  • Higashikurume, JP (1998 - 2000)
  • Tokyo, JP (1984 - 2024)

Company Filing History:

goldMedal43 out of 2,208 
 
Fuji Jukogyo Kabushiki Kaisha
 patents
silverMedal1 out of 361 
 
Keio University
 patents
bronzeMedal1 out of 2 
 
Lifescapes Inc.
 patents
4. 1 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1984-2025

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Areas of Expertise:
Fuel Injection Control
Two-Cycle Engine
Combustion Chamber
Electronic Control System
High Pressure Fuel System
Exhaust Gas Recirculation
Engine Brake System
Abnormality Detection
Ignition Timing Control
Piston Cavity Design
Self-Igniting Engine
Crank Angle Detection
45 patents (USPTO):Explore Patents
1. 12267476 - Property display device, property display method, and non-transitory computer-readable medium (2025-04-01),
2. 12076152 - Electroencephalogram decision system, electroencephalogram decision method, program, and non-transitory storage medium (2024-09-03),
3. 6644019 - Combustion control apparatus for engine (2003-11-11),
4. 6581553 - Two-stroke engine (2003-06-24),
5. 6422200 - Self-igniting engine (2002-07-23),
6. 6338327 - Combustion chamber structure of in-cylinder direct fuel injection engine (2002-01-15),
7. 6158411 - Control system for two cycle direct injection engine and the method (2000-12-12),
8. 6138638 - System for diagnosing and controlling high-pressure fuel system for (2000-10-31),
9. 5992374 - Control system for two cycle direct injection engine and the method (1999-11-30),
10. 5927244 - Combustion chamber structure having piston cavity (1999-07-27),
11. 5819701 - Control system for two cycle direct injection engine and the method (1998-10-13),
12. 5813385 - Combustion chamber structure having piston cavity (1998-09-29),
13. 5642705 - Control system and method for direct fuel injection engine (1997-07-01),
14. 5636614 - Electronic control system for an engine and the method thereof (1997-06-10),
15. 5592919 - Electronic control system for an engine and the method thereof (1997-01-14),

Title: The Innovative Journey of Koji Morikawa

Introduction:

Koji Morikawa is a visionary inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents:

Koji Morikawa holds several patents in the areas of artificial intelligence, robotics, and renewable energy technologies, showcasing his commitment to pushing the boundaries of what is possible in the modern world.

Career Highlights:

With a career spanning over two decades, Koji Morikawa has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations:

Throughout his career, Koji Morikawa has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing that has been instrumental in his success.

Conclusion:

In conclusion, Koji Morikawa's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his reputation as a pioneering inventor in the global tech community.

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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