TAIWAN-ASIA SEMICONDUCTOR CORPORATION
台亞半導體股份有限公司
Leave your email for change alerts (optional)
1983Founded
NT$4.4BPaid-in capital
2Plants
3Certifications
107Patents
NT$1–5BRevenue band
- Unified Business No.
- 47255947
- Industry
- Electronic Components (2,523)
- Main products
- Semiconductors (243)
- Location
- No. 1, Li-Hsin 5th Rd., Hsinchu Science Park, Hsinchu City 30078, Taiwan, R.O.C.
Hsinchu City (1,019) · East Dist. (401) - Listing
- Listed (TWSE) (1,087) 2340
- Registration status
- Approved / Active
- Organisation type
- Company Limited by Shares
- Founded
- 1983-12-21
- Paid-in capital
- NT$ 4,386,228,460
- Representative
- Lee Kuo-kuang
- Phone
- (03)5638951
- Website
- https://www.tascsemi.com/
- Exporter
- Yes — registered with the Trade Administration
- Annual revenue band
- NT$1–5B
- Ownership
- Group subsidiary / corporate-held · NICHIA TAIWAN CORPORATION、Chen Cheng Tou Tzu Co., Ltd.
- Representative tenure
- In office since 2024-06 (2 yrs); last handover 2024-06
- Growth & profitability
- Revenue 2026-09 YoY +34.3%, year-to-date +8.2%
Gross margin -1.9%, operating margin -22.1%, net margin -21.4% (2026-Q2 YTD) - Compliance record
- Environmental penalties: 1 case(s) in 5 years, latest 2025-10-31, fines NT$ 100,000 (stationary air pollution)
Plants 2
- Lixing Plant · No. 1, Lixing 5th Rd. (Hsinchu Science Park), East Dist., Hsinchu City In production
- Chuangxin Plant · No. 8, Chuangxin 1st Rd. (Hsinchu Science Park), Baoshan Township, Hsinchu County In production
Certifications 3
- ISO 45001 (962)Official registry Valid until 2028-07-07 · SGS Taiwan Ltd.
- ISO/IEC 27001 (112)Official registry · SGS Taiwan Ltd.
- TOSHMS (271)Official registry · SGS Taiwan Ltd.
Processes & materials 10
- Assembly (901) · Assembly & inspectionThird-party audited
- Semiconductors (51) · Company nameSelf-reported
- Epitaxial wafer manufacturing (1) · Extracted from websiteSelf-reported
- Photodiode (1) · Extracted from websiteSelf-reported
- Photo-crystal device (1) · Extracted from websiteSelf-reported
- Power MOSFET (3) · Extracted from websiteSelf-reported
- Light-Emitting Diode (2) · Extracted from websiteSelf-reported
- Transient voltage suppression diode (1) · Extracted from websiteSelf-reported
- Bidirectional optical gate device (1) · Extracted from websiteSelf-reported
- Zener Diodes (4) · Extracted from websiteSelf-reported
Patents 107
- 2026 Integrated circuit
- 2026 Non-invasive blood glucose detection device with wearing fit detection function
- 2026 Light-emitting diode
Recent changes 1
- PenaltiesEnvironmental penalties: latest case 2025-10-31; 1 case(s) in 5 years, fines NT$ 100,000
RSS feed · Recent changes at Taiwanese manufacturers →
Similar companies 3
- PHOENIX SILICON INTERNATIONAL CORPORATION · Taichung City Listed (TWSE) ≥ NT$5B
Shared: Semiconductors, Transistor manufacturing - SHIN-ETSU HANDOTAI TAIWAN CO., LTD. · Hsinchu County NT$1–5B estimated
Shared: Semiconductors, Transistor manufacturing - ADVANCED SEMICONDUCTOR ENGINEERING, INC. · Kaohsiung City NT$1–5B estimated
Shared: Assembly, Semiconductors