Light-emitting element, light-emitting device, electronic device, lighting device, and novel organic compound
US-12577456-B2 · Mar 17, 2026 · US
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Seo Hiromi patents
Seo Hiromi is listed as an inventor on 247 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Seo Hiromi |
| Total patents | 247 |
| First publication | Jan 1, 2015 |
| Latest publication | Mar 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Light-Emitting Device And Display Apparatus
US-2026047268-A1 · Feb 12, 2026 · US
Hole-Transport Layer Material, Electron-Blocking Layer Material, Electron-Transport Layer Material, Hole-Blocking Layer Material, Light-Emitting Device, Light-Emitting Apparatus, Electronic Device, And Lighting Device
US-2026040760-A1 · Feb 5, 2026 · US
Light-Emitting Device
US-2026026183-A1 · Jan 22, 2026 · US
Light-Emitting Element, Light-Emitting Device, Display Device, Electronic Appliance, And Lighting Device
US-2026020492-A1 · Jan 15, 2026 · US
Light-emitting device and display device
US-2025386702-A1 · Dec 18, 2025 · US
Light-emitting element, light-emitting device, electronic device, and lighting device
US-2025331413-A1 · Oct 23, 2025 · US
Light-emitting device
US-2025331357-A1 · Oct 23, 2025 · US
Light-emitting element, light-emitting device, display device, electronic appliance, and lighting device
US-12439814-B2 · Oct 7, 2025 · US
Display Apparatus
US-2025311581-A1 · Oct 2, 2025 · US
Recent patents
Latest publications not already listed above.
Hole-transport layer material, electron-blocking layer material, electron-transport layer material, hole-blocking layer material, light-emitting device, light-emitting apparatus, electronic device, and lighting device
US-12419155-B2 · Sep 16, 2025 · US
Light-emitting device and display device
US-2025287777-A1 · Sep 11, 2025 · US
Light-emitting device and display device
US-2025287778-A1 · Sep 11, 2025 · US
Light-Emitting Device And Display Apparatus
US-2025280654-A1 · Sep 4, 2025 · US
Light-emitting device, light-emitting apparatus, electronic device, and lighting device
US-2025270442-A1 · Aug 28, 2025 · US
Light-Emitting Device
US-2025268013-A1 · Aug 21, 2025 · US
Light-emitting device
US-2025248208-A1 · Jul 31, 2025 · US
Light-emitting device
US-2025248209-A1 · Jul 31, 2025 · US
Light-emitting device and display device
US-2025221157-A1 · Jul 3, 2025 · US
Light-emitting device and display device
US-2025221304-A1 · Jul 3, 2025 · US
Light-emitting device, light-emitting apparatus, electronic device, and lighting device
US-12349591-B2 · Jul 1, 2025 · US
Light-Emitting Device
US-2025212681-A1 · Jun 26, 2025 · US
Light-Emitting Element, Light-Emitting Device, Electronic Appliance, And Lighting Device
US-2025160211-A1 · May 15, 2025 · US
Organic semiconductor device, organic el device, photodiode sensor, display device, light-emitting apparatus, electronic device, and lighting device
US-2025160107-A1 · May 15, 2025 · US
Light-emitting element
US-2025160108-A1 · May 15, 2025 · US
Light-emitting device, light-emitting apparatus, electronic device, and lighting device
US-12302685-B2 · May 13, 2025 · US
Light-Emitting Device
US-2025151612-A1 · May 8, 2025 · US
Light-emitting element, light-emitting device, electronic device, and lighting device
US-12295256-B2 · May 6, 2025 · US
Light-Emitting Device
US-2025126968-A1 · Apr 17, 2025 · US
Light-emitting element
US-12262574-B2 · Mar 25, 2025 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Semiconductor Energy Lab | 248 |
| Seo Hiromi | 6 |
| Seo Satoshi | 6 |
| Shitagaki Satoko | 3 |
| Inoue Hideko | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H10K50/11 | 233 |
| H10K85/6572 | 198 |
| H10K85/6576 | 185 |
| H10K2101/10 | 182 |
| H10K85/342 | 160 |