logo

For the Inventor, By the Inventor

Macomb, MI, United States of America

Daniel J Berry

This inventor holds 17 USPTO granted patents and 2 published patent applications, primarily in Electric Machine Control. Top assignees: Gm Global Technolgoy Operations, Inc., Seoul National University. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Daniel J Berry. Retrieved from https://idiyas.com/inventor/daniel-j-berry

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 82.4

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 32(Granted Patents)


Company Filing History:

goldMedal17 out of 31,987 
 
Gm Global Technolgoy Operations, Inc.
 patents
silverMedal1 out of 1,791 
 
Seoul National University
 patents
where one patent can have more than one assignee

Years Active: 2013-2026

Loading Chart...
Areas of Expertise:
Inverter Technology
Motor Temperature Estimation
Thermal Derating
Electric Machine Control
Torque Capability
Power Inverter
Temperature Estimation
Multi-Mode Powertrain
Fault Shutdown Control
Data Exchange Control
Rotor Magnet Temperature
Fluidic Pump Control
17 patents (USPTO):Explore Patents
1. 12726149 - Selective motor derating using estimated internal temperature of inverter bulk capacitor (2026-09-01),
2. 12512779 - Increased motor torque capability through time-based thermal derating (2025-12-30),
3. 12296693 - System and method for temperature estimation of inverter AC power bus (2025-05-13),
4. 12255567 - System and method estimating temperature of a direct current bus bar and direct current connector in a power inverter and providing control based upon the temperature (2025-03-18),
5. 12237791 - Method and system for controlling common mode electric current in an electric machine (2025-02-25),
6. 11752878 - Method and apparatus for controlling a multi-mode powertrain system of a vehicle (2023-09-12),
7. 11387757 - Inductance-based estimation of rotor magnet temperature (2022-07-12),
8. 11264936 - Method and apparatus for controlling operation of a permanent magnet rotary electric machine (2022-03-01),
9. 11209291 - Method and apparatus for monitoring a resolver (2021-12-28),
10. 10340819 - Fault shutdown control of an electric machine in a vehicle or other DC-powered torque system (2019-07-02),
11. 10162680 - Control of data exchange between a primary core and a secondary core using a freeze process flag and a data frozen flag in real-time (2018-12-25),
12. 9846002 - Method and apparatus to determine an effective temperature of coolant fluid for a heat generating device (2017-12-19),
13. 9356551 - Method and apparatus for controlling an electric motor employed to power a fluidic pump (2016-05-31),
14. 9242576 - Method and apparatus for controlling an electric machine (2016-01-26),
15. 8762116 - Vehicle motor temperature determination (2014-06-24),

Title: Innovative Contributions of Daniel J Berry in Power Inverter Technology

Introduction

Daniel J Berry is a notable inventor based in Macomb Township, MI, whose innovative spirit has led to the securing of 15 patents. His work primarily revolves around the advancement of power inverter technology, significantly impacting how electric vehicles manage power efficiently.

Latest Patents

Among his latest contributions is the "System and method for temperature estimation of inverter AC power bus." This invention is designed to enhance the control over the operation of vehicles equipped with power inverter modules. The system comprises an AC power bus featuring multiple busbars that conduct AC current for various phases. A sophisticated controller estimates the temperature of the power bus based on several factors, including oil and coolant flow rates, which are crucial in maintaining optimal vehicle performance.

Another significant invention by Berry is the "System and method estimating temperature of a direct current bus bar and direct current connector in a power inverter." This system integrates a battery supplying direct current with a power inverter that transforms electrical energy into alternating current for the drive unit. The computerized controller plays a pivotal role in monitoring environmental conditions and current flow, enabling accurate temperature estimations and optimizing the drive unit's performance by comparing its capability against a specified threshold.

Career Highlights

Daniel J Berry has made substantial contributions to the field of power electronics during his tenure at GM Global Technology Operations LLC and Seoul National University. His roles in these prestigious organizations allowed him to develop and refine core technologies that maximize the efficiency and reliability of power inverters used in modern vehicles.

Collaborations

Throughout his career, Berry has collaborated with esteemed colleagues such as Paul F Turnbull and Chia-Chou Yeh. These collaborations have further propelled advancements in power inverter technologies, showcasing the importance of teamwork in spearheading innovation.

Conclusion

Daniel J Berry's inventive prowess has played a significant role in developing groundbreaking technologies in power inverter systems. His patents not only demonstrate his commitment to innovation but also pave the way for advancements in electric vehicle technologies, enhancing efficiency and performance in the automotive industry.

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]
Loading…