Yokohama, Japan

Kenji Masaki


Average Co-Inventor Count = 1.6

ph-index = 13

Forward Citations = 542(Granted Patents)

Forward Citations (Not Self Cited) = 529(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokohama, JA (1976 - 1978)
  • Yokohama, JP (1978 - 1984)

Company Filing History:


Years Active: 1976-1984

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Areas of Expertise:
Exhaust Gas Recirculation
Air-Fuel Ratio Control
Electronic Controlled Carburetor
Fuel Injection Valve
Electrostatic Fuel Injector
Pollutant Reduction Systems
Internal Combustion Engine
Automotive Emission Control
Carburetor Technology
Engine Temperature Control
Multi-Cylinder Engines
Exhaust Gas Cleaning
53 patents (USPTO):Explore Patents

Title: Innovations by Kenji Masaki: A Pioneer in Diesel Engine Technology

Introduction

Kenji Masaki, based in Yokohama, Japan, is a renowned innovator with an impressive portfolio of 53 patents. His contributions to the field of internal combustion engines and exhaust gas control systems have paved the way for advancements in vehicle efficiency and environmental protection.

Latest Patents

Among his latest innovations, Masaki has introduced a groundbreaking Exhaust Gas Recirculation (EGR) system for diesel engines. This control system is designed to calculate a target EGR ratio based on engine operating parameters, ensuring that the EGR ratio is maintained at this target value. By continuously adjusting the target ratio each time the vehicle covers a predetermined distance, Masaki's system effectively minimizes deviations between the target and actual EGR ratios to zero.

Another significant patent is the Closed Loop Type Air-Fuel Ratio Control System for internal combustion engines. This comprehensive system operates within a two-barrel carburetor, managing the primary and secondary fuel supply lines while also monitoring exhaust gas components. The system adjusts the air intake based on engine load, enhancing the efficiency of fuel combustion and reducing emissions.

Career Highlights

Kenji Masaki's career has been marked by his dedication to innovation within Nissan Motor Company Limited. His technical expertise and patent development have not only contributed to the company's reputation for quality but also to advancements in automotive technology as a whole.

Collaborations

Throughout his career, Masaki has collaborated with esteemed colleagues such as Masaaki Saito and Suzuo Suzuki. Together, these innovators have worked on several projects that emphasize improving engine performance and reducing environmental impact.

Conclusion

Kenji Masaki exemplifies the spirit of innovation in the automotive sector. His patents reflect a commitment to developing cutting-edge technology that enhances vehicle performance while addressing environmental concerns. As a key player at Nissan Motor Company Limited, Masaki continues to inspire future generations of inventors and engineers.

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