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For the Inventor, By the Inventor

Handa, Japan

Kouichi Shimizu

This inventor holds 7 USPTO granted patents. Top assignees: Denso Corporation, Nippondenso Co., Ltd.. Active years: 1985-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouichi Shimizu. Retrieved from https://idiyas.com/inventor/kouichi-shimizu-kmv6us5a

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

Calculating rank
USPTO Granted Patents = 7

% Patents Active = 85.7

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 125(Granted Patents)


Company Filing History:

goldMedal4 out of 20,480 
 
Denso Corporation
 patents
silverMedal3 out of 3,252 
 
Nippondenso Co., Ltd.
 patents

Years Active: 1985-2005

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7 patents (USPTO):Explore Patents
1. 6935101 - Heating control system for gas sensor of engine (2005-08-30),
2. 6601383 - Emission control apparatus for engine and method for reducing emissions of engine (2003-08-05),
3. 6539707 - Exhaust emission control system for internal combustion engine (2003-04-01),
4. 6530214 - Air-fuel ratio control apparatus having sub-feedback control (2003-03-11),
5. 5287736 - Misfire detecting apparatus for multicylinder internal combustion engines (1994-02-22),
6. 5263453 - Apparatus for detecting misfire in internal combustion engines for (1993-11-23),
7. 4502442 - Optimum ignition and A/F control for internal-combustion engine (1985-03-05),

Title: Kouichi Shimizu: Innovator in Emission Control Technologies

Introduction

Kouichi Shimizu is a notable inventor based in Handa, Japan, recognized for his contributions to emission control technologies. He holds a total of 7 patents, showcasing his innovative approach to improving engine performance and reducing emissions.

Latest Patents

Shimizu's latest patents include a heating control system for gas sensors in engines. This system involves an electronic control unit that performs preheat energization control before activation energization control. During activation, the gas sensor is energized with sufficient electric power to reach its activation temperature. In contrast, the preheat energization control uses low electric power, preventing the sensor from overheating while allowing any water present to vaporize gradually. Another significant patent is an emission control apparatus for engines, which features a series of catalysts in the exhaust passage. This apparatus utilizes an HC absorbent catalyst and is controlled by an ECU to optimize the air-fuel ratio, enhancing the purification of hydrocarbons.

Career Highlights

Throughout his career, Kouichi Shimizu has worked with prominent companies such as Denso Corporation and Nippondenso Co., Ltd. His work has significantly impacted the automotive industry, particularly in the realm of emission control.

Collaborations

Shimizu has collaborated with notable colleagues, including Hisashi Iida and Noriaki Ikemoto, contributing to various innovative projects and advancements in technology.

Conclusion

Kouichi Shimizu's work in emission control technologies exemplifies his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of engine dynamics and a dedication to improving air quality through advanced engineering solutions.

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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