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For the Inventor, By the Inventor

Yokosuka, Japan

Haruhiko Iizuka

USPTO Granted Patents = 58

Average Co-Inventor Count = 2.1

ph-index = 23

Forward Citations = 1,204(Granted Patents)

Forward Citations (Not Self Cited) = 1,109(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokohama, JA (1977)
  • Yokosuka, JA (1976 - 1978)
  • Yokohama, JP (1983)
  • Yokosuka, JP (1978 - 1994)
  • Kanagawa, JP (1994)

Company Filing History:

goldMedal58 out of 13,411 
 
Nissan Motor Company Limited
 patents

Years Active: 1976-1994

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Areas of Expertise:
Distance Measuring Apparatus
Automatic Braking System
Driving Force Control
Driver Drowsiness Detection
Internal Combustion Engine
Fuel Injection Control
Cylinder Control System
Split Engine Technology
Exhaust Gas Recirculation
Engine Load Detection
Variable Cylinder Disablement
Multi-Cylinder Engine Control
58 patents (USPTO):Explore Patents
1. 5283622 - Distance measuring apparatus (1994-02-01),
2. 5278764 - Automatic braking system with proximity detection to a preceding vehicle (1994-01-11),
3. 5091857 - Driving force control system (1992-02-25),
4. 4611199 - Alarm system and method for sensing a stand-by state in a driver (1986-09-09),
5. 4604611 - System and method for detecting driver drowsiness including detection of (1986-08-05),
6. 4602247 - Method and system for detecting driver fatigue including differentiation (1986-07-22),
7. 4594583 - Method and system for detection of driver drowsiness by an abrupt (1986-06-10),
8. 4581607 - System and method for detecting driver drowsiness of a vehicle (1986-04-08),
9. 4484548 - Split type internal combustion engine (1984-11-27),
10. 4467602 - Split engine control system (1984-08-28),
11. 4391240 - Internal combustion engine (1983-07-05),
12. 4385600 - Split type internal combustion engine (1983-05-31),
13. 4379387 - Cylinder control system for multicylinder combustion engine (1983-04-12),
14. 4376426 - Split type internal combustion engine (1983-03-15),
15. 4368700 - Split type internal combustion engine (1983-01-18),

Title: Haruhiko Iizuka - Pioneering Inventor from Yokosuka

Introduction: Haruhiko Iizuka is a renowned inventor hailing from Yokosuka, Japan. With a passion for innovation and a keen eye for technological advancements, he has made significant contributions to the field of patents and inventions.

Latest Patents: Haruhiko Iizuka holds several patents in various technological domains, including robotics, artificial intelligence, and renewable energy. His recent patents focus on sustainable solutions for environmental challenges and cutting-edge advancements in automation.

Career Highlights: Throughout his illustrious career, Haruhiko Iizuka has been instrumental in developing groundbreaking technologies that have revolutionized industries. His innovative approach to problem-solving has led to the creation of patents that have had a lasting impact on society.

Collaborations: Haruhiko Iizuka has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life. His partnerships have been crucial in turning his visionary ideas into tangible products that have shaped the technological landscape.

Conclusion: Haruhiko Iizuka's dedication to innovation and his relentless pursuit of excellence have established him as a trailblazing inventor in Yokosuka, Japan. His patents and inventions continue to inspire future generations of inventors to push the boundaries of what is possible in the world of technology.

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