v3.26.1
INTANGIBLE ASSETS, NET
12 Months Ended
Dec. 31, 2025
INTANGIBLE ASSETS, NET  
INTANGIBLE ASSETS, NET

NOTE 9 — INTANGIBLE ASSETS, NET

Intangible assets, net consisted of the following:

As of December 31, 

  ​ ​ ​

2025

  ​ ​ ​

2024

Patent

$

257,400

$

246,600

Software

 

43,129

 

41,319

Less: accumulated amortization

 

(291,903)

 

(271,391)

Intangible assets, net

$

8,626

$

16,528

The amortization expense was $8,391, $8,384 and $22,637 for the years ended December 31, 2025, 2024, and 2023, respectively. Estimated future amortization expense is as follows:

Amortization

Years ending December 31, 

  ​ ​ ​

expense

2026

8,626

Total

$

8,626

No impairment loss was recognized for the years ended December 31, 2025, 2024 and 2023.