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For the Inventor, By the Inventor

Tokyo, Japan

Satoshi Nikaido

This inventor holds 18 USPTO granted patents and 9 published patent applications and 3 EPO patents, primarily in Heat Source Systems. Top assignees: Mitsubishi Heavy Industries Thermal Systems, Ltd., Mitsubishi Heavy Industries Limited, Tokyo Electric Power Company Holdings, Inc.. Active years: 2016-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Nikaido. Retrieved from https://idiyas.com/inventor/satoshi-nikaido

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

Calculating rank
USPTO Granted Patents = 18 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.6

ph-index = 3

Forward Citations = 17(Granted Patents)


Company Filing History:

goldMedal16 out of 173 
 
Mitsubishi Heavy Industries Thermal Systems, Ltd.
 patents
silverMedal2 out of 4,753 
 
Mitsubishi Heavy Industries Limited
 patents
bronzeMedal1 out of 20 
 
Tokyo Electric Power Company Holdings, Inc.
 patents
where one patent can have more than one assignee

Years Active: 2016-2025

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Areas of Expertise:
Monitoring Device
Estimation Device
Abnormality Diagnosis
Control Method
Heat Source System
Cooling Water
Energy Supplying
Heat Pump System
Machine Quantity Control
Cooling Towers
Flow Rate Control
18 patents (USPTO):Explore Patents
1. 12510886 - Monitoring device and monitoring method (2025-12-30),
2. 12498684 - Estimation device and estimation method (2025-12-16),
3. 12492966 - Abnormality diagnosis device and abnormality diagnosis method (2025-12-09),
4. 11713900 - Control device, heat source system, method for calculating lower limit of cooling water inlet temperature, control method, and program (2023-08-01),
5. 11466881 - Controller and method for reducing standby time when controlling the number of chillers to be operated (2022-10-11),
6. 11346563 - Heat source system controlling device, heat source system, heat source system controlling method, and heat source system controlling program (2022-05-31),
7. 11221166 - Refrigerator system (2022-01-11),
8. 11060741 - Heat source system and control method therefor (2021-07-13),
9. 10655868 - Device for controlling number of operating heat source devices, heat source system, control method, and program (2020-05-19),
10. 10533781 - Machine quantity controlling device, energy supplying system, machine quantity controlling method, and program (2020-01-14),
11. 10215470 - Heat pump system and operation method therefor (2019-02-26),
12. 10197301 - Heat source system, and control device and control method therefor (2019-02-05),
13. 10119717 - Heat source system, and device and method for controlling cooling water supply device (2018-11-06),
14. 10006725 - Heat source system and method for controlling number of machines to be started at time of power recovery in heat source system (2018-06-26),
15. 9957970 - Device and method of controlling cooling towers, and heat source system (2018-05-01),

Title: Innovations of Satoshi Nikaido: Pioneering Control Devices for Chillers

Introduction

Satoshi Nikaido is a prolific inventor based in Tokyo, Japan, known for his contributions to the field of refrigeration technology. With a remarkable portfolio of 15 patents, Nikaido has developed innovative solutions aimed at enhancing the efficiency of cooling systems.

Latest Patents

Among his latest patents, Nikaido has introduced several key inventions designed to optimize chiller operations. One significant patent is a control device that calculates the lower limit of cooling water inlet temperature based on the operation status of a chiller. This device features a lower limit calculation unit that determines the cooling water inlet temperature lower limit by considering both the cooling water outlet temperature and the specific operational dynamics of the chiller.

Another noteworthy patent is a controller and method designed to reduce standby time in multi-chiller systems. This innovation employs a control device that adjusts the number of operating refrigerators in response to load changes, thereby streamlining efficiency and minimizing energy waste.

Career Highlights

Throughout his career, Satoshi Nikaido has been associated with prestigious companies including Mitsubishi Heavy Industries Thermal Systems, Ltd. and Mitsubishi Heavy Industries Limited. His work in these companies has been pivotal in advancing chiller technologies, further establishing him as a leader in his field.

Collaborations

Nikaido has collaborated with talented professionals such as Koki Tateishi and Minoru Matsuo. His teamwork with these individuals has fostered a collaborative environment that has led to the successful development of innovative refrigeration solutions.

Conclusion

Satoshi Nikaido's contributions to refrigeration technology through his patents exemplify his commitment to innovation. His novel control devices not only enhance the efficiency of chiller systems but also reflect his expertise and dedication to advancing this essential technology.

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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