Company: QTIWW
Filing Date: 2025-01-16
Form Type: S-1
Source: 0001628280-25-001723
Chunk: 384

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-01-16
Form: S-1
Chunk 384
---
 three months ended September 30, 2024 and 2023, respectively. Depreciation expense was $ 114,144and $ 216,272for the nine months ended September 30, 2024 and 2023, respectively.

#### 6.

#### Intangible Assets, Net
Intangible assets, net consisted of the following as of September 30, 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 |

<div align='center'>F-50</div>

#### QT IMAGING HOLDINGS, INC.

### Notes to Condensed Consolidated Financial Statements
<div align='center'>(Unaudited)</div>

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 $ 0and $ 46,470for each of the three months ended September 30,