Oyama, Japan

Keiji Maezawa

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Calsonic Kansei Corporation. Active years: 2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Maezawa. Retrieved from https://idiyas.com/inventor/keiji-maezawa

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 = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2007

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1 patent (USPTO):Explore Patents

Title: Keiji Maezawa: Innovator in Heat Exchanger Technology

Introduction

Keiji Maezawa is a notable inventor based in Oyama, Japan. He has made significant contributions to the field of heat exchanger technology. His innovative designs have the potential to enhance efficiency in various applications.

Latest Patents

Maezawa holds a patent for a heat exchanger that features a plurality of flat tubes. This design includes a pair of tube sheets that face each other and are joined together. The tube sheets consist of a flat part, a recess part, and a cylindrical tank. One of the tube sheets is identified as the first tube sheet, which has a first type of tank. The second tube sheet contains both the first type of tank and a second type of tank. Identifiers are provided at each end of the second tube sheet, distinguishing it from the first tube sheet when viewed externally. A mark is also provided at one of the identifiers of the second tube sheet.

Career Highlights

Keiji Maezawa is currently employed at Calsonic Kansei Corporation, where he continues to innovate in the field of heat exchangers. His work has been instrumental in advancing the technology used in this area.

Collaborations

One of his notable coworkers is Takayuki Kume, with whom he collaborates on various projects within the company.

Conclusion

Keiji Maezawa's contributions to heat exchanger technology exemplify the spirit of innovation. His patent and ongoing work at Calsonic Kansei Corporation highlight his commitment to advancing 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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