Atsugi, Japan

Katsuo Saitoh

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Nissan Motor Company Limited, Atsugi Motor Parts Company, Limited, Hitachi, Ltd.. Active years: 1986-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuo Saitoh. Retrieved from https://idiyas.com/inventor/katsuo-saitoh

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


% Patents Active = 66.7


Average Co-Inventor Count = 3.6

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Yokohama, JP (1986)
  • Atsugi, JP (2000)
  • Kawasaki, JP (2007)

Company Filing History:


Years Active: 1986-2007

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3 patents (USPTO):Explore Patents

Title: Katsuo Saitoh: Innovator in Engine Technology

Introduction

Katsuo Saitoh is a notable inventor based in Atsugi, Japan. He has made significant contributions to the field of engine technology, holding three patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is the "Oil Level Gauge Guide Structure." This invention includes an oil level gauge for measuring engine oil in vehicles. The oil level gauge is held in an oil level gauge guide, which features a clip with a first end section fixed to a resinous part of the engine main body and a second end section that holds the oil level gauge guide. The design incorporates two linear stoppers that contact the clip's second end section and an O-ring fixed at the end of the oil level gauge guide. This structure allows for efficient insertion into a communication hole while maintaining stability. Another significant patent is the "Direct Injection Engine Controller." This controller is equipped with a swirl control valve in the air intake port, a fuel injection valve, and a variable fuel pressure regulator. It includes mechanisms for controlling fuel pressure, detecting operational conditions, and managing the valve opening of the swirl control valve based on these conditions.

Career Highlights

Katsuo Saitoh has worked with prominent companies such as Nissan Motor Company Limited and Atsugi Motor Parts Company, Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.

Collaborations

Throughout his career, Saitoh has collaborated with talented individuals, including Katsuto Yamanouchi and Yoshinori Saito. These partnerships have contributed to the advancement of his projects and inventions.

Conclusion

Katsuo Saitoh is a distinguished inventor whose work in engine technology has led to valuable patents that enhance vehicle performance. His contributions reflect a commitment to innovation and engineering excellence.

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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