Company: QTIWW
Filing Date: 2025-11-03
Form Type: S-1
Source: 0001628280-25-048373
Chunk: 344

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-11-03
Form: S-1
Chunk 344
---
 depreciation |     |          |             |   |        -3,687,197 |     |   |        -4,722,729 |
|                                |     |          |             | $ |           195,783 |     | $ |           490,920 |

Depreciation expense was $ 140,665and $ 294,813for the years ended December 31, 2024 and 2023, respectively.

#### 6. Intangible Assets, Net
Intangible assets, net consisted of the following as of December 31, 2024:

|         |     | Useful 
 Life   |     |          |     | Gross          
 Carrying Value |           |     | Accumulated  
 Amortization |           |     | Net Carrying 
 Value        |   |     | Useful Life 
 Remaining   |     |            |
|:--------|:----|:-------|:----|:---------|:----|:---------------|----------:|:----|:-------------|----------:|:----|:-------------|:--|:----|:------------|:----|:-----------|
| Patents |     |        |     | 12 Years |     | $              | 2,230,570 |     | $            | 2,230,570 |     | $            | — |     |             |     | 0.00 Years |

Intangible assets, net consisted of the following as of December 31, 2023:

|         |     | Useful 
 Life   |     |          |     | Gross Carrying 
 Value          |           |     | Accumulated  
 Amortization |           |     | Net Carrying 
 Value        |        |     | Useful Life 
 Remaining   |     |            |
|:--------|:----|:-------|:----|:---------|:----|:---------------|----------:|:----|:-------------|----------:|:----|:-------------|-------:|:----|:------------|:----|:-----------|
| Patents |     |        |     | 12 Years |     | $              | 2,230,570 |     | $            | 2,140,431 |     | $            | 90,139 |     |             |     | 0.50 Years |

Amortization expense was $ 90,139and $ 185,881for each of the years ended December 31, 2024