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Company History

 
Date                          Major Event
Jun.  2000   Sentelic was established with NTD 15,000K capital stock.
Dec.  2001   Cash capital increased of NTD 5,000K to NTD 20,000K.
Nov.  2003   Cash capital increased of NTD 11,000K to NTD 31,000K.
Jul.  2004   Launch finger-sensing pad controller IC with laptop computers: STL3842.
Jul.  2004   Launch ultra-low power voltage detector IC: STL81xx series.
Jul.  2004   Cash capital increased of NTD 4,000K to NTD 35,000K.
Aug.  2004   VentureTech Alliance Fund II, L.P. (TSMC venture capital) became the largest corporate shareholder of Sentelic.
Aug.  2004   Obtained ISO-9001 certification.
Sep.  2004   Launch finger-sensing pad controller IC with mobile electronics: STL3843.
Oct.  2004   Finger-sensing pad was certified by major laptop OEM.
Dec.  2004   Cash capital increased of NTD 6,000K to NTD 41,000K.
Jun.  2005   Launch smart brushless DC fan driver IC: STL60xx series.
Aug.  2005   Smart brushless DC fan driver IC was certified by major DC FAN manufacturing.
Mar.  2006   Cash capital increased of NTD 41,000K to NTD 82,000K.
Jul.  2007   Launch advanced direct PWM fan control IC: STL62xx series.
Aug.  2007   Launch finger-sensing pad controller IC: STL3886.
Oct.  2007   32 bit DSP core project was awarded the science and technology project subsidy from the Ministry of Economic Affairs.
May  2008   Cash capital increased of NTD 15,000K to NTD 97,000K.
May  2008   Launch finger-sensing pad controller IC: STL3888.
Jan.  2010   Capital increased of employee stock option certificates of NTD 35,270K to NTD 132,270K
Apr.  2010   Approved of public issuance on Taiwan's stock exchange.
Jul.  2010   Cash capital increased of NTD 77,730K to NTD 210,000K.
Jan.  2011   Approved of issuance of 2,100K units of employee stock option certificates.
Nov.  2011   Launch PWM driven DC brushless fan driver IC: STL6900A series.
May  2013   Approved to cancel public issuance.
Dec.  2013   Cash capital increased of NTD 15,384K to NTD 225,834K.
Jan.  2014   Obtained TW patent for "Motor drive device and driving method thereof (I423582)".
Oct.  2015   Launch programmable PWN drive DC brushless fan control IC: STL6600 series.
Oct. 2015   Obtained CN patent for " Motor drive device and driving method thereof (ZL201010233729.5)".
Sep.  2017   Capital reduction of NTD 112,917K to NTD 112,917K.
Oct.  2017   Capital increased of stock merger with E-COM Technology Corporation of NTD 112,917K to NTD 225,834K.
Dec.  2017   Became subsidiary of listed company Nichidenbo Corporation.(stock code 3090)
Dec.  2017   Launch high voltage programmable fan motor control IC: STL5000 series.
Dec.  2017   Obtained TW patent for "System and method of controlling motor(I609568)".
Feb.  2018   Launch fan motor driver IC with in-system programming function: STL6700 series.
May  2018   Launch high power fan motor drive IC: STL6500 series.
Jun.  2018   Obtained ISO-9001:2015 certification.
Jun.  2018   Cash capital increased of NTD 34,166K to NTD 260,000K.
Sep. 2018   Obtained TW patent for "System and method for detecting signal transmission latency of fan chip (I635707)".
Nov.  2018   Public issuance on Taiwan's stock exchange was approved on November 2nd.
Nov. 2018   Obtained TW patent for "System and method for detecting clock frequency offset of fan chip (I641226)".
May 2019   Obtained TW patent for "System and method for controlling fan (I660126)".
Jun. 2019   Obtained USA patent for "Detection system and method of signal transmission delay for fan chip (10440857)".
Jun. 2019   Became a listed company of Semiconductor stock at emerging stock market in Taiwan. (stock code 4945)
Mar.  2020   Obtained CN patent for "System and method for detecting clock frequency offset of fan chip (ZL201711289913.X)".
Apr. 2020   Obtained USA patent for "Fan control system and method thereof (I10638640)".
May 2020   Obtained USA patent for "System and method for detecting clock frequency offset of fan chip (I10664005)".
Aug. 2020   Capital increased of Restricted Stock Awards of NTD 260,000K to NTD 268,000K.
Aug. 2020   Taipei Exchange hold a Board approves the main board listing application.
Aug. 2020   Obtained CN patent for "System and method for controlling fan (ZL 201810040533.0)".
Oct. 2020   Capital reduction of cancellation of Restricted stock Awards of NTD 130K to NTD 267,870K.
Nov. 2020   Became a TPEx Listed company of Semiconductor stock in Taiwan.
Dec. 2020   Pre-listing Cash capital increased of NTD 33,000K to NTD 300,870K.
Feb. 2021   Capital reduction of cancellation of Restricted stock Awards of NTD 200K to NTD 300,670K.
Aug. 2021   Capital reduction of cancellation of Restricted stock Awards of NTD 80K to NTD 300,590K.
Nov. 2021   Capital reduction of cancellation of Restricted stock Awards of NTD 24K to NTD 300,566K.
Dec. 2021   Obtained TW patent for“FAN SYSTEM AND FAN DRIVING METHOD (I748866)”.
Dec. 2021   Obtained TW patent for “CURRENT DETERMINATION CIRCUIT(I748772)”.
Feb. 2022   Capital reduction of cancellation of Restricted stock Awards of NTD 96K to NTD 300,470K.
Jul. 2022   Be notified by Weltrend Semiconductor, Inc. (stock code 2436) about the public tender offer for common stock.
Aug. 2022   Capital reduction of cancellation of Restricted stock Awards of NTD 102K to NTD 300,368K. 
Aug. 2022   Became subsidiary of listed company Weltrend Semiconductor, Inc. (stock code 2436). 
Sep. 2022   Obtained TW patent for “CURRENT STATE DETERMINATION METHOD AND CIRCUIT (I776304)”.
Oct. 2022   Obtained USA patent for“CURRENT DETERMINATION CIRCUIT (11467193)”.
Nov. 2022   Obtained TW patent for“MOTOR SYSTEM AND MOTOR CONTROL METHOD (I783740)”.
Feb. 2023   Obtained TW patent for“MOTOR SYSTEM AND MOTOR DRIVING METHOD (I793517)”.
Mar. 2023   Obtained USA patent for“CURRENT STATE DETERMINATION METHOD AND CIRCUIT (11606052)”.
Mar. 2023   Obtained USA patent for“FAN SYSTEM AND FAN DRIVING METHOD (11600170)”.
Jul. 2023   Obtained USA patent for“MOTOR SYSTEM AND MOTOR DRIVING METHOD (11695355)”.
Nov. 2023   The 2nd TIRI Awards for the Small and Mid cap of TPEx companies - Best Investor Relations Company and Best Investor Relations Officer.


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