Yokohama, Japan

Motohisa Uda

This inventor holds 2 USPTO granted patents. Top assignees: Kajima Corporation, Nhk Spring Co., Ltd.. Active years: 1997-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motohisa Uda. Retrieved from https://idiyas.com/inventor/motohisa-uda

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 = 2

Forward Citations = 78(Granted Patents)


Company Filing History:


Years Active: 1997-1998

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2 patents (USPTO):Explore Patents

Title: Motohisa Uda: Inventor in Refrigeration and Ice-Formation Technology

Introduction

Motohisa Uda is an inventor associated with Yokohama, Japan. His work includes patent inventions related to cold-air supply and air-refrigerant ice-forming equipment. His listed portfolio includes 2 patents.

Latest Patents

Uda’s listed patents include “Cold air supply unit” and “Air refrigerant ice forming equipment.” The latter describes equipment that uses air as the working medium in a refrigeration cycle. Its airflow passage includes an air compressor, compressed-air cooler, air expander, and ice-forming heat exchanger.

The invention also includes a heat-recovery exchanger that transfers heat between air entering the expander and air leaving the ice-forming heat exchanger. A one-way clutch connects the expander rotor’s shaft to the motor shaft that drives the air compressor, allowing the airflow to contribute to the system’s operation.

Career Highlights

Uda is associated with Kajima Corporation and NHK Spring Co., Ltd. The available information identifies these companies as part of his professional background but does not specify his roles or dates of employment.

Collaborations

Isao Nikai and Takeshi Fuse are listed as Uda’s coworkers. The available information does not describe specific joint projects or patent contributions.

Conclusion

Motohisa Uda’s listed inventions address cold-air supply and refrigeration technology, including an air-based system for forming ice with heat recovery and coordinated compressor and expander components.

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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