Tokyo, Japan

Yasuki Ishikawa

This inventor holds 35 USPTO granted patents and 2 EPO patents, primarily in Vehicle Control Systems. Top assignee: Nissan Motor Company Limited. Active years: 1983-2008.


% Patents Active = 85.7


Average Co-Inventor Count = 2.1

ph-index = 15

Forward Citations = 518(Granted Patents)


Location History:

  • Orlando, FL (US) (1985)
  • Yokosuka, JP (1983 - 1989)
  • Zama, JP (1989)
  • Kanagawa, JP (1993 - 1994)
  • Sagamihara, JP (1991 - 1997)
  • Tokyo, JP (1990 - 2008)
  • Suginami-ku, JP (2008)

Company Filing History:


Years Active: 1983-2008

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Areas of Expertise:
Power Control
Motor-Driven Vehicle
Anti-Skid Brake
Vehicle Dynamics
Ignition System
Plasma Ignition
Electric Vehicle
Induction Motor
Steering Control
Wheel Slippage
Auxiliary Steering
Pneumatic Brake
35 patents (USPTO):Explore Patents

Title: Innovations by Yasuki Ishikawa: Pioneering Power Control Systems in Automotive Technology

Introduction: Yasuki Ishikawa, an accomplished inventor based in Tokyo, Japan, has made significant contributions to automotive technology with a remarkable portfolio of 35 patents. His innovative approaches primarily focus on power control systems for hybrid and motor-driven vehicles, showcasing his engineering prowess and commitment to advancements in sustainable transportation.

Latest Patents: Among his latest patents, the "Generated Power Control System" stands out. This system enhances the efficiency of hybrid vehicles by controlling the magnetic field of a generator, aligning generated power with the requirements of an AC motor. Such a configuration allows for optimized energy generation and consumption, improving performance in vehicles that utilize both internal combustion engines and electric motors. Another notable patent is the "Control Device and Control Method of Motor-Driven 4WD Vehicle," which simplifies the design of a control system for 4WD vehicles by integrating the functions of an alternator and motor generator. This design helps streamline power management for both driving and charging purposes, adding to the vehicle's efficiency.

Career Highlights: Yasuki Ishikawa's career at Nissan Motor Company Limited has been marked by groundbreaking projects aimed at enhancing vehicle performance and sustainability. His leadership in developing advanced power management systems reflects industry trends toward electrification and energy efficiency. Throughout his tenure, he has consistently driven innovation, contributing to Nissan's reputation as a leader in automotive technology.

Collaborations: Collaboration plays a vital role in Ishikawa's success. He works closely with esteemed colleagues such as Hiroshi Endo and Masazumi Sone, leveraging their expertise to refine and implement innovative solutions in the automotive sector. Their teamwork has been instrumental in advancing several key projects and patents that address modern automotive challenges.

Conclusion: Yasuki Ishikawa's dedication to innovation in power control systems exemplifies the potential for technological advancement in the automotive industry. With a robust patent portfolio and impactful collaborations, he continues to influence the development of efficient and sustainable vehicle technologies, shaping the future of transportation for years to come.

Profile summary based on public USPTO records.
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