Aichi, Japan

Nobuyuki Isono

USPTO Granted Patents = 10 

Average Co-Inventor Count = 2.4

ph-index = 6

Forward Citations = 112(Granted Patents)


Location History:

  • Toyota, JP (1989)
  • Aichi, JP (1990 - 1992)
  • Nagoya, JP (1992 - 1994)

Company Filing History:


Years Active: 1989-1994

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10 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Nobuyuki Isono

Introduction: Nobuyuki Isono, a prominent inventor based in Aichi, Japan, has made significant advancements in automotive technology through his innovative patents. With a total of ten patents, Isono has contributed to the development of hydraulic control systems and automatic transmission technologies that enhance vehicle performance and driving experience.

Latest Patents: Among his latest inventions are two groundbreaking patents. The first is a hydraulic control system with condition-responsive accumulator control. This system detects the time interval required to switch mechanical gear ratios during shift operations. To align this interval with a reference value, it adjusts the duty cycle of a linear solenoid valve, which regulates back pressure on an accumulator. This innovative adjustment takes into account factors such as oil temperature, throttle valve opening, and the shift mode of an automatic transmission, effectively preventing shift shocks caused by variations in shift responses.

The second patent is an automatic transmission system designed to minimize shift-shock. This electronically controlled system manages the application and release of clutches and brakes during gear shifts based on engine drive torque. Each clutch and brake is activated by solenoid and manual valves that work together to ensure smooth transitions. The system also monitors the number of revolutions of the input shaft during gear shifts, detecting acceleration to enhance performance further.

Career Highlights: Throughout his career, Nobuyuki Isono has been associated with noteworthy companies in the automotive industry, including Aisin Seiki Kabushiki Kaisha and Aisin Seiki Co., Ltd. His work has led to meaningful advancements in automatic transmission technologies, solidifying his reputation as a leading inventor in the field.

Collaborations: Isono has had the opportunity to collaborate with talented individuals in the industry, such as Yoshitami Saitou and Nobuyasu Suzumura. These collaborations have contributed to the successful development of his innovative solutions and advancements in automotive engineering.

Conclusion: Nobuyuki Isono's dedication to innovation has resulted in substantial contributions to automatic transmission technology. His inventions help improve vehicle performance and enhance the driving experience, showcasing his skills and commitment as a forward-thinking inventor.

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