Title	Created Date
Obtained USA patent for“CURRENT DETERMINATION CIRCUIT (11467193)”.	2022-10
Obtained TW patent for “CURRENT STATE DETERMINATION METHOD AND CIRCUIT (I776304)”.	2022-09
Became subsidiary of listed company Weltrend Semiconductor, Inc. (stock code 2436).	2022-08
Be notified by Weltrend Semiconductor, Inc. (stock code 2436) about the public tender offer for common stock.	2022-07
Obtained TW patent for“FAN SYSTEM AND FAN DRIVING METHOD (I748866)”	2021-12
Obtained TW patent for“CURRENT DETERMINATION CIRCUIT (I748772)”	2021-12
Became a TPEx Listed company of Semiconductor stock in Taiwan.	2020-11
Held Pre-listing Investor Conference on October 20, 2020, 2:30 PM at Le Méridien Taipei 2F. (38 SongRen Road, Xinyi District, Taipei, Taiwan)	2020-10
Obtained CN patent for "System and method for controlling fan (ZL 201810040533.0)".	2020-08
Listing application has been approved by Taipei Exchange board of directors.	2020-08