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For the Inventor, By the Inventor

Gyeonggi-do, South Korea

Hong Seok Song

This inventor holds 8 USPTO granted patents and 6 published patent applications. Top assignees: Hyundai Motor Company, Kia Motors Corporation, Pohang University of Science and Technology Foundation. Active years: 2009-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hong Seok Song. Retrieved from https://idiyas.com/inventor/hong-seok-song

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

USPTO Granted Patents = 8 

% Patents Active = 87.5

Average Co-Inventor Count = 2.3

ph-index = 4

Forward Citations = 37(Granted Patents)


Location History:

  • Seongnam-si, KR (2009)
  • Seongnam, KR (2014)
  • Gyeonggi-do, KR (2013 - 2020)

Company Filing History:

goldMedal8 out of 20,375 
 
Hyundai Motor Company
 patents
silverMedal2 out of 8,094 
 
Kia Motors Corporation
 patents
bronzeMedal1 out of 1,108 
 
Pohang University of Science and Technology Foundation
 patents
where one patent can have more than one assignee

Years Active: 2009-2020

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8 patents (USPTO):Explore Patents
1. 10611256 - Method for controlling charging voltage of 12V auxiliary battery for hybrid vehicle (2020-04-07),
2. 8928272 - Method for controlling charging voltage of 12V auxiliary battery for hybrid vehicle (2015-01-06),
3. 8901882 - System of recharging battery of hybrid vehicle using diodes connected between inverter and neutral points of two motors, and commercial electricity applied to the neutral points (2014-12-02),
4. 8872473 - System for recharging plug-in hybrid vehicle by controlling pre-charge of a DC link (2014-10-28),
5. 8508067 - Motor drive system for hybrid vehicle and method for controlling the same in the event of failure (2013-08-13),
6. 8441229 - System for recharging plug-in hybrid vehicle and control method for the same (2013-05-14),
7. 8380377 - Method for controlling cooling of power converter for hybrid electric vehicle (2013-02-19),
8. 7528566 - Method for controlling voltage of DC link for electric vehicle (2009-05-05),

Title: Innovations of Hong Seok Song

Introduction

Hong Seok Song is a notable inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the field of hybrid vehicle technology. With a total of 8 patents to his name, his work focuses on improving the efficiency and functionality of auxiliary battery systems in hybrid vehicles.

Latest Patents

One of his latest patents is a method for controlling the charging voltage of a 12V auxiliary battery for hybrid vehicles. This invention aims to enhance charging efficiency by increasing the output voltage of a DC-DC converter during cold starts when outside temperatures are low. Additionally, it improves charging efficiency by adjusting the output power of the DC-DC converter based on the state of charge of the auxiliary battery. The method also ensures a continuous power supply for charging the auxiliary battery, even when its voltage falls below 9V, by utilizing a main switch between a high voltage battery and the DC-DC converter.

Career Highlights

Hong Seok Song has worked with prominent companies in the automotive industry, including Hyundai Motor Company and Kia Motors Corporation. His experience in these organizations has allowed him to develop innovative solutions that address the challenges faced by hybrid vehicle systems.

Collaborations

Some of his notable coworkers include Ki Young Jang and Jung Hong Joo. Their collaboration has contributed to the advancement of technology in the automotive sector.

Conclusion

Hong Seok Song's contributions to hybrid vehicle technology through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative methods for improving battery efficiency are paving the way for advancements in hybrid vehicle performance.

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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