Annual report pursuant to Section 13 and 15(d)

3. PATENTS, NET (Details)

v3.21.2
3. PATENTS, NET (Details) - USD ($)
Mar. 31, 2021
Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]    
Issued patents $ 157,442 $ 157,442
Accumulated amortization (154,691) (154,141)
Issued patents, net of accumulated amortization 2,751 3,301
Patents pending 54,203 54,203
Finite-Lived Intangible Assets, Net $ 56,954 $ 57,504