Mito, Japan

Keijiro Amano

This inventor holds 1 USPTO granted patent. Top assignees: Hitachi Automotive Engineering Co., Ltd., Hitachi, Ltd.. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keijiro Amano. Retrieved from https://idiyas.com/inventor/keijiro-amano

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: Keijiro Amano: Innovator in Automotive Compressor Technology

Introduction

Keijiro Amano is a notable inventor based in Mito, Japan. He has made significant contributions to the field of automotive engineering, particularly in the development of compressor technology for air conditioning systems. His innovative approach has led to the creation of a unique capacity control device that enhances the efficiency of automotive compressors.

Latest Patents

Amano holds a patent for a capacity control device for a compressor. This device is designed for use in air conditioning systems within automotive vehicles. It features flow resistance portions in the refrigerant inlet passage, which reduce the flow rate of refrigerant entering the working chambers of the compressor as the engine speed increases. This mechanism effectively lowers the volumetric efficiency of the compressor during high engine speed ranges, optimizing performance and energy consumption.

Career Highlights

Throughout his career, Keijiro Amano has worked with prominent companies such as Hitachi, Ltd. and Hitachi Automotive Engineering Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the automotive sector.

Collaborations

Amano has collaborated with esteemed colleagues, including Isao Hayase and Atsuo Kishi. Their combined expertise has fostered advancements in automotive technology and has played a crucial role in the development of new inventions.

Conclusion

Keijiro Amano's contributions to automotive compressor technology exemplify the impact of innovation in engineering. His patent for a capacity control device showcases his commitment to enhancing vehicle efficiency and performance. Through his work, Amano continues to influence the automotive industry positively.

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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