Tokyo, Japan

Kouichi Miyamoto

This inventor holds 44 USPTO granted patents, primarily in Engine Technology. Top assignees: Ryobi Limited, Mazda Motor Corporation, Ryobi America Corp.. Active years: 1986-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouichi Miyamoto. Retrieved from https://idiyas.com/inventor/kouichi-miyamoto

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 = 2.0

ph-index = 16

Forward Citations = 962(Granted Patents)


Location History:

  • Chiyoda, JP (1991 - 1994)
  • Tokyo, JP (1990 - 1995)
  • Tokyo-to, JP (1997 - 1998)
  • Fuchu, JP (1988 - 1999)
  • Hiroshima, JP (1986 - 2021)

Company Filing History:


Years Active: 1986-2026

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Areas of Expertise:
Engine Cooling
Lubricant Degradation
Cutting Apparatus
Circular Saw
Grinding Machine
Fret-Saw
Table Saw
Rotary Cutting Head
Planing Machine
Electric Miter Saw
Portable Mortiser
Dust Collector
44 patents (USPTO):Explore Patents

Title: Innovations of Kouichi Miyamoto: A Visionary Engineer from Tokyo

Introduction

Kouichi Miyamoto is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the engineering field. With a remarkable portfolio of 43 patents, he has pioneered innovations that enhance engine performance and reliability. His work reflects a deep commitment to overcoming technical challenges in internal combustion engines.

Latest Patents

Two of Kouichi Miyamoto's latest patents showcase his ingenuity and expertise in engine technology. The first is an **engine cooling apparatus**, designed to prevent the deterioration of a cylinder head during cold engine operations. This innovative apparatus includes an engine cooling water path, a heater core cooling path, and a radiator cooling water path. It integrates a switching valve that can transition among these paths based on the temperature around the exhaust valve, ensuring optimal performance even in low cooling water temperatures.

The second patent is an **apparatus and method for diagnosing lubricant degradation in internal combustion engines**. This technology features a soot amount estimator that predicts the amount of soot produced in the combustion chamber over time. The invention allows for the diagnosis of lubricant quality based on a cumulative soot value, adapting calculations based on engine speed, load parameters, and chamber temperature, ensuring reliable engine operation.

Career Highlights

Kouichi Miyamoto has made significant strides in his career, having worked with esteemed companies such as Ryobi Limited and Mazda Motor Corporation. His experience at these organizations has fueled his passion for engineering excellence, positioning him as a key player in developing innovative engine solutions.

Collaborations

Throughout his career, Kouichi has collaborated with talented individuals, including Mitsumasa Sato and Takeshi Shiotani. These partnerships have allowed him to share ideas, refine his inventions, and make impactful advancements in engine technology together.

Conclusion

Kouichi Miyamoto remains a driving force in the realm of engine innovation. With his extensive patent portfolio and a relentless pursuit of perfection, he continues to pave the way for future advancements in the field. His work not only enhances the efficiency and reliability of internal combustion engines but also exemplifies the spirit of innovation that inspires engineers around the world.

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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