Yokohama, Japan

Isao Nikai

This inventor holds 4 USPTO granted patents. Top assignees: Ishikawajima-Harima Jukogyo Kabushiki Kaisha, Kajima Corporation, Nhk Spring Co., Ltd.. Active years: 1978-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Nikai. Retrieved from https://idiyas.com/inventor/isao-nikai

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 = 3.4

ph-index = 4

Forward Citations = 103(Granted Patents)


Company Filing History:


Years Active: 1978-1998

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4 patents (USPTO):Explore Patents

Title: Isao Nikai: Innovator in Refrigeration Technology

Introduction

Isao Nikai is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 4 patents. His innovative designs focus on improving efficiency and functionality in air refrigeration systems.

Latest Patents

One of Isao Nikai's latest patents is a cold air supply unit. This invention features air refrigerant ice forming equipment that utilizes a refrigeration cycle with air as the working medium. The cycle includes a passage for air circulation that incorporates an air compressor, a compressed air cooler, an air expander, and a heat exchanger for ice formation. Notably, the equipment also includes a heat exchanger for heat recovery, which enhances its efficiency. The air expander is designed with a rotor that rotates due to the airflow, and it is connected to a motor for driving the air compressor through a one-way clutch.

Career Highlights

Throughout his career, Isao Nikai has worked with notable companies such as Kajima Corporation and Ishikawajima-Harima Jukogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in refrigeration technology and innovation.

Collaborations

Isao Nikai has collaborated with several professionals in his field, including Motohisa Uda and Kenji Watanabe. These collaborations have likely fostered the exchange of ideas and advancements in technology.

Conclusion

Isao Nikai's contributions to refrigeration technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, showcasing the importance of innovation in improving efficiency and functionality in air refrigeration systems.

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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