Kameoka, Japan

Norio Endo

This inventor holds 7 USPTO granted patents. Top assignees: Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Mitsubishi Denki Kabushiki Kaisha, Mikuni Kogyo Kabushiki Kaisha. Active years: 1980-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norio Endo. Retrieved from https://idiyas.com/inventor/norio-endo-cps30rj8

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 = 3.5

ph-index = 6

Forward Citations = 125(Granted Patents)


Location History:

  • Kameoka, JP (1980 - 1984)
  • Kyoto, JP (1984 - 1985)

Company Filing History:


Years Active: 1980-1985

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7 patents (USPTO):Explore Patents

Title: Norio Endo: Innovator in Engine Technology

Introduction

Norio Endo is a prominent inventor based in Kameoka, Japan. He has made significant contributions to the field of engine technology, holding a total of 7 patents. His innovative work focuses on improving engine efficiency and performance.

Latest Patents

One of his latest patents is the idling controller of a variable displacement engine. This idling controller allows the engine to operate in either a partial-cylinder or an all-cylinder mode by varying the number of cylinders in operation. When the engine runs at idle, the controller optimizes operation for both modes by adjusting the air intake according to the number of active cylinders. This innovation enhances fuel mileage and starting performance, addressing a common trade-off in conventional designs.

Another notable patent is for a multi-cylinder internal combustion engine. This engine features multiple cylinders supplied with air through a common throttle valve. The control unit regulates the number of operating cylinders by intercepting the air supply to specific cylinders. Notably, the engine's output under different cylinder operations coincides at a specific throttle valve opening, allowing for smooth transitions between operations without fluctuations or shocks. This design simplifies the control unit's construction.

Career Highlights

Norio Endo has worked with several notable companies, including Mitsubishi Motors Corporation and Mitsubishi Electric Corporation. His experience in these organizations has contributed to his expertise in engine technology and innovation.

Collaborations

Throughout his career, Endo has collaborated with talented individuals such as Tatsuro Nakagami and Toyoaki Fukui. These partnerships have fostered a creative environment that has led to significant advancements in engine technology.

Conclusion

Norio Endo's contributions to engine technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the automotive industry, paving the way for more efficient and effective engine designs.

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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