ADVANTEST CORP
Close on Oct 19, 2026
About Advantest
Semiconductors & Related Devices, SIC 3674
Advantest designs, manufactures, and supplies test systems and peripheral equipment for the semiconductor and electronics industries. Its operations are structured into three main segments: Semiconductor and Component Test Systems, Mechatronics Systems, and Services, Support and Others. The company offers testing equipment for memory and non-memory semiconductors, test handlers, device interfaces, and system-level test solutions. Its customer base includes fabless semiconductor companies, foundries, test houses, and industrial design and manufacturing firms.
Headquartered in Tokyo, Japan, the company operates globally with corporate presence, sales, and support offices situated across Asia, the United States, and Europe. It also maintains production capacity in Korea and an agent office in San Jose, California.
Summary of the business section of Advantest's latest annual report, written by StockData.
Company profile
Company
- Legal name
- ADVANTEST CORP
- Founded
- 1954
- Headquarters
- Chiyoda-Ku, Tokyo 100-0005, M0
- Address
- Shin-Marunouchi Center Building, 1-6-2 Marunouchi, 00000
- Phone
- 81-3-3214-7500
- Website
- advantest.com
- Employees
- 4,564, Mar 31, 2015
- Industry
- Semiconductors & Related Devices
- Incorporated in
- M0
- Fiscal year ends
- December 31
Stock & identifiers
- Ticker
- ATEYY
- Other tickers
- ADTTF
- Exchange
- OTC
- IPO date
- Sep 18, 2001
- Shares outstanding
- 175M, Mar 31, 2015
- Filer category
- Large accelerated filer
- Stock splits
- 4-for-1, Oct 11, 2023; 4-for-1, Sep 28, 2023; 1-for-2 reverse, Oct 2, 2006
- SEC CIK
- 1158838
- CUSIP
- 00762U200
- ISIN
- US00762U2006
- LEI
- 353800EMK32PDKS9XR54
- EIN
- 00-0000000
Executives and directors
Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years
No recent ownership filings by officers or directors
Advantest's leadership is listed in its proxy statement (Form DEF 14A).
Employees
Headcount reported in annual reports
“As of March 31, 2015, Advantest had a total of 4,564 full-time employees, a decrease of 61 persons, or 1.3%, compared to”
Corporate history
Events identified from SEC filings
| Date | Event | Details |
|---|---|---|
| Apr 22, 2016 | Deregistration | Termination of SEC registration (Form 15) |
| Apr 11, 2016 | Delisting | Notice of delisting from exchange (Form 25) |