DuoSIM
Ticker
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Listed market
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Country
Employees (consolidated)
161
Related companies
23
§01
Basic information
- Head office
- 2-36-2 Akebono-cho, Tachikawa-shi, Tokyo 190-0012, Fare Tachikawa Center Square
- Chief executive
- Naoyuki Tokonami
- Capital
- 1,359,350,000 (13 100 million)
- Employees (non-consolidated)
- Employees (consolidated)
- 161 people
- Start date
- 1990-12-27
- End date
§02
Websites
§03
Business
Development and sales of network management systemsMaintenance and operation management of communication infrastructureDevelopment and sales of communication measurement devicesDevelopment and sales of communication equipmentCommunication network testingTerminal testingNetwork operation and maintenanceVideo transmission, image processing, time synchronizationDiscontinued productsEvaluation and verification servicesContract development services
§04
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Names without a link are companies not yet registered in OpenBizGraph
§05
Network
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§06
History
Started development and sales of IMT-2000 test system (W-CDMA commercial device evaluation test system)![]()
Developed and started selling 3.5G HSUPA compatible RNC simulator : Started selling Azimuth ACE series![]()
§07
News
There is no news.
§09
Sources & updates
DOMAINOwn domain:No
UPDATED2026-10-17 14:56 · Model: gpt-4.1-nano