Chulmin Ahn
25Patents
4h-index
34Co-inventors
55Inventor score
Filing activity: Dec 23, 2013 → May 19, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9140343B1 | Transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 5 | Active |
| US10550929B2 | Oil lubrication system of transmission case | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US9452673B2 | Transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 4 | Active |
| US9701189B2 | Power transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 4 | Active |
| US9297447B2 | Transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 4 | Active |
| US11035451B1 | Torque vectoring apparatus | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9321344B2 | Transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 2 | Active |
| US10023040B2 | Power transmission system for hybrid electric vehicle | Emerging Cross-Sectional Technologies | 2 | Active |
| US9365102B2 | Power transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 2 | Active |
| US9212734B1 | Transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 2 | Active |
| US11098795B2 | Torque vectoring apparatus | Emerging Cross-Sectional Technologies | 1 | Active |
| US9321341B2 | Transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US9809104B2 | Transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US10371218B2 | Electromagnetic brake system for transmission | Emerging Cross-Sectional Technologies | 1 | Active |
| US9315096B2 | Transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US9555699B2 | Power transmission apparatus for hybrid electric vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US10343671B2 | Power transmission apparatus of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US9168824B2 | Power transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US9387754B2 | Transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US10744876B2 | System for torque vectoring | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10814721B2 | Apparatus for torque vectoring | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9168823B2 | Transmission system of hybrid electric vehicle | Emerging Cross-Sectional Technologies | 0 | Active |
| US11512772B1 | Planetary gear set for power transmission apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US10697529B1 | Apparatus for torque vectoring | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11879540B2 | Lubrication structure of planetary gear set utilizing inner pipe | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.