Susono, Japan

Takao Niwa

This inventor holds 21 USPTO granted patents, primarily in Continuously Variable Transmission. Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha, Nippondenso Co., Ltd.. Active years: 1976-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Niwa. Retrieved from https://idiyas.com/inventor/takao-niwa

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 12

Forward Citations = 314(Granted Patents)


Location History:

  • Susono, JA (1976)
  • Shizuoka, JA (1977)
  • Toyota, JP (1987)
  • Susono, JP (1978 - 1988)

Company Filing History:


Years Active: 1976-1988

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Areas of Expertise:
Continuously Variable Transmission
Fuel Injection
Internal Combustion Engine
Accelerator Pump
Carburator
Combustion Chamber
Speed Ratios
RPM Ratio Control
Automobile Assembly
Oil Pan Assembly
21 patents (USPTO):Explore Patents

Title: Innovator Takao Niwa: Pioneering Continuous Variable Transmission Technologies

Introduction: Takao Niwa is a notable inventor based in Susono, Japan, recognized for his significant contributions to the automotive industry. With an impressive record of 21 patents, he has dedicated his career to advancing continuously variable transmission (CVT) technologies, improving vehicle performance and efficiency.

Latest Patents: Among Takao Niwa's latest patents are two key innovations in the field of continuously variable transmissions. The first is an "Apparatus for controlling continuously variable transmission," which enables the synchronization of engine speed with desired engine speed settings in vehicles. This patent details a method for adjusting the CVT's speed ratio based on engine performance within defined parameters. The second patent, titled "Method for controlling a continuously variable transmission," offers a systematic approach to managing RPM ratios between the input and output shafts. This method effectively accommodates variations in throttle openings to optimize vehicle responsiveness.

Career Highlights: Takao Niwa has had a distinguished career working with prominent automotive companies, notably Toyota Motor Corporation and Toyota Jidosha Kogyo. His role in these organizations has been pivotal in the development of advanced transmission systems, helping to realize innovations that enhance driving experiences.

Collaborations: Throughout his career, Takao Niwa has collaborated with accomplished colleagues such as Akinori Osanai and Takeshi Gono. Their combined expertise has played a crucial role in driving forward-thinking solutions in continuously variable transmission technology.

Conclusion: Takao Niwa's impressive portfolio of patents and his contributions to renowned automotive companies reflect a career marked by innovation and collaboration. His work in continuously variable transmission systems not only demonstrates his technical proficiency but also his commitment to enhancing vehicle technology for future generations. As the automotive industry continues to evolve, the impact of Niwa's inventions will likely endure, paving the way for more efficient and responsive vehicles.

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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