Low noise blower
US-12595800-B1 · Apr 7, 2026 · US
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Lee Chang Ha patents
Lee Chang Ha is listed as an inventor on 49 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lee Chang Ha |
| Total patents | 49 |
| First publication | Jan 8, 2015 |
| Latest publication | Apr 7, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Gas supply pump for ship dual fuel engine
US-12540591-B2 · Feb 3, 2026 · US
Gas supply pump for ship dual fuel engine
US-2025172132-A1 · May 29, 2025 · US
Gas supply pump for ship dual fuel engine
US-12247564-B2 · Mar 11, 2025 · US
Gas supply pump for ship dual fuel engine
US-2023220838-A1 · Jul 13, 2023 · US
Hybrid deep learning scheduling method for accelerated processing of multi-ami data stream in edge computing
US-2021334653-A1 · Oct 28, 2021 · US
Rotor assembly for motor
US-10920783-B2 · Feb 16, 2021 · US
Humidification device for fuel cell
US-10862144-B2 · Dec 8, 2020 · US
Humidifying device for fuel cell
US-10862145-B2 · Dec 8, 2020 · US
Humidifier for fuel cell
US-10804550-B2 · Oct 13, 2020 · US
Recent patents
Latest publications not already listed above.
Compressor
US-2020132077-A1 · Apr 30, 2020 · US
Humidifier for fuel cell
US-2020058948-A1 · Feb 20, 2020 · US
Humidification device for fuel cell
US-2020052312-A1 · Feb 13, 2020 · US
Air processing system of fuel cell vehicle mounted with integrated valve
US-10535884-B2 · Jan 14, 2020 · US
Method, server, and system for processing a transportation fare
US-10504112-B2 · Dec 10, 2019 · US
Air foil bearing assembly
US-10473153-B2 · Nov 12, 2019 · US
Humidifying device for fuel cell
US-2019326618-A1 · Oct 24, 2019 · US
Rotor assembly for motor
US-2019285073-A1 · Sep 19, 2019 · US
Air foil bearing assembly
US-2019178286-A1 · Jun 13, 2019 · US
Method and system for feedback-controlling
US-10263548-B2 · Apr 16, 2019 · US
Air supply apparatus and method for fuel cell
US-10230116-B2 · Mar 12, 2019 · US
Method and System for Feedback-Controlling
US-2019074785-A1 · Mar 7, 2019 · US
Air foil bearing assembly
US-2019063491-A1 · Feb 28, 2019 · US
Air foil bearing assembly
US-10215224-B1 · Feb 26, 2019 · US
Humidifier for fuel cell
US-10170779-B2 · Jan 1, 2019 · US
Air foil thrust bearing
US-10161444-B2 · Dec 25, 2018 · US
Structure of fuel cell system and controlling method thereof
US-10090545-B2 · Oct 2, 2018 · US
Air blower for fuel cell vehicle
US-10087953-B2 · Oct 2, 2018 · US
Air foil thrust bearing
US-2018156266-A1 · Jun 7, 2018 · US
Thrust bearing for vehicle air compressor
US-9909618-B2 · Mar 6, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Hyundai Motor Co Ltd | 38 |
| Kia Motors Corp | 21 |
| Hyun Dai Heavy Ind Co Ltd | 4 |
| Lee Chang Ha | 2 |
| Univ Kookmin Ind Acad Coop Found | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02E60/50 | 27 |
| H01M8/04089 | 14 |
| H01M2250/20 | 13 |
| Y02T90/40 | 13 |
| H01M8/04201 | 12 |