ADVANTEST CORP
SEC registrant with listed symbol(s): ATEYY (OTC), ADTTF (OTC). This is a filing-identity record, not a verified operating-company profile.
Basic company information
Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.
- Ticker / security symbols
- ATEYY, ADTTF [1]
- Listing exchanges
- OTC [1]
- SEC industry
- Semiconductors & Related Devices [1]
- Company / filing name
- ADVANTEST CORP [1]
- Business address
- SHIN-MARUNOUCHI CENTER BUILDING, 1-6-2 MARUNOUCHI,, CHIYODA-KU, TOKYO 100-0005, M0, 00000 [1]
- Incorporation jurisdiction
- Japan [1]
- Fiscal year end
- December 31 (SEC record) [1]
- CIK
- 0001158838 [1]
- SIC code
- 3674 [1]
Company positioning and business
SEC registrant with listed symbol(s): ATEYY (OTC), ADTTF (OTC). This is a filing-identity record, not a verified operating-company profile. [2]
The SEC classifies ADVANTEST CORP under Semiconductors & Related Devices (SIC 3674). Its reported business address is SHIN-MARUNOUCHI CENTER BUILDING, 1-6-2 MARUNOUCHI,, CHIYODA-KU, TOKYO 100-0005, M0, 00000. Industry classification does not establish its full product range. [1]
Financial year, securities and disclosures
The SEC submissions record gives ADVANTEST CORP a fiscal year end of 1231 (MMDD). Individual filings below identify their own reporting period; the filing date is the publication event, not the financial year end. [1]
Listed securities: ATEYY (OTC), ADTTF (OTC). Multiple symbols may represent different share classes or securities of the same registrant. [2]
History and key events
Form 20-F filed; reporting period ends 2015-03-31. [3]
Financial results and regulatory disclosures
Annual, quarterly and current reports from the collected SEC record. Insider Forms 4 and 144 are excluded. This is a selected list, not a live filing feed.
Source-verified relationships
Companies in the same industry
Comparison candidates share the SEC SIC classification 3674. This does not imply ownership, partnership or trading relationships.
Related entities and concepts
Frequently asked questions
Which industry classification does the SEC report for ADVANTEST CORP?
The submissions record lists Semiconductors & Related Devices, SIC 3674. [1]
Where can the financial reports of ADVANTEST CORP be read?
The financial disclosures section links to collected annual, quarterly and current reports. The SEC source provides the broader filing record. [2]
ADVANTEST CORP relationship map
Select a node to inspect its relationship and source.
2 verified direct relationships. Industry peers are not relationship edges.
Sources and review dates
- SEC — ADVANTEST CORP filing identity and securities ↗
- Exchange / company source ↗
- Company chronology / filing ↗
Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.