| 1991-10 |
Established IPS Corporation with the aim of introducing overseas personnel to Japanese companies. |
| 1992-02 |
Became an agent for SoftBank Corporation (formerly Digital Communications Corporation). |
| 1995 |
In 1995, raised funds from Filipino investors, established InfiniVAN, and submitted a bill to grant the company telecommunications patents (franchises) to the Philippine Congress. |
| 1996-05 |
Founded 'Pinoy Gazette', Tagalog newspaper targeting Filipinos in Japan. |
| 1998 |
Since registering as a special second-class telecommunications operator with the Ministry of Posts and Telecommunications in 1998, mainly sold prepaid international calling cards for Filipinos residing in Japan, handling about half of international calls to the Philippines originating from Japan at peak times, and transferring much of the international call traffic collected in Japan and Hong Kong to Filipino telecom operators in Hong Kong and elsewhere. |
| 1998-08 |
Registered as a special second-class telecommunications operator with the Ministry of Posts and Telecommunications. |
| 1999-01 |
Established Pilipinas International Marketing Services, Inc. to operate call centers in the Philippines. |
| 2002-12 |
Acquired all shares of TeleGrove Japan, a first-class telecommunications operator, and renamed the company Advent Corporation. |
| 2002-12 |
Acquired all shares of TeleGrove Japan, a first-class telecommunications operator, and renamed the company Advent Corporation. |
| 2003-03 |
Started network interconnection between Advent Corporation and major telecommunications companies. |
| 2004-10 |
Registered as a telecommunications service provider with the Ministry of Internal Affairs and Communications. |
| 2005-03 |
Launched paid satellite broadcasting service 'Access TV' for Filipinos in Japan. |
| 2005-03 |
Acquired all operations of Advent Corporation and registered as a certified telecommunications operator by the Ministry of Internal Affairs and Communications. |
| 2005-09 |
Launched 'Tokyo Caregiver Academy' (currently suspended), a Level 2 home care worker training course, and started international human resource business. |
| 2006-01 |
Obtained permission for general dispatch business from the Ministry of Health, Labour and Welfare. (Abolished in January 2021) |
| 2006-01 |
Obtained permission for general dispatch business from the Ministry of Health, Labour and Welfare. (Abolished in January 2021) |
| 2006-10 |
Obtained permission for paid employment placement business from the Ministry of Health, Labour and Welfare. (Abolished in January 2021) |
| 2010-02 |
Established Shinagawa Lasik & Aesthetics Center Corporation in the Philippines through a joint venture with Shinagawa Cosmetic Surgery. |
| 2011-03 |
Renamed the Philippine subsidiary Pilipinas International Marketing Services to KeySquare, Inc. |
| 2012-09 |
Started providing international communication lines connecting the Philippines, Hong Kong, and North America. |
| 2012-09 |
Launched VOX TV, an internet broadcasting service for Filipinos in Japan. |
| 2013-09 |
Started resale service for inbound call charges (toll-free) with per-second billing. |
| 2013-11 |
Partnered with Drishti Soft-Solution Pvt. Ltd. of India to launch the call center system 'AmeyoJ'. |
| 2013-11 |
Partnered with Drishti Soft-Solution Pvt. Ltd. of India to launch the call center system 'AmeyoJ'. |
| 2015-04 |
Invested in InfiniVAN, Inc., a Philippine company engaged in domestic telecommunications. |
| 2016 |
In 2016, the law (Republic Act No. 10898) was enacted just before the end of the Aquino administration. |
| 2016-06 |
Passed legislation in the Philippine Congress allowing InfiniVAN to operate telecommunications business. |
| 2017 |
In 2017, the National Telecommunications Commission began procedures to recognize the company's operator eligibility, and despite ongoing opposition from competitors citing over-competition, a public hearing was held, and a provisional license for operator eligibility was granted by the NTC. |
| 2017-11 |
InfiniVAN, Inc. obtained a Certificate of Public Convenience and Necessity (CPCN) and Provisional Authority (PA) for telecommunications in Luzon. |
| 2017-11 |
InfiniVAN, Inc. obtained CPCN and PA for telecommunications in Luzon. |
| 2018-06 |
Listed on the Tokyo Stock Exchange Mothers Market. |
| 2018-09 |
InfiniVAN, Inc. obtained CPCN and PA for telecommunications in the Visayas and Mindanao regions. |
| 2019-06 |
The National Telecommunications Commission of the Philippines allocated 24.250GHz–24.450GHz (200MHz×1) for 5G use to InfiniVAN, Inc. |
| 2020-01 |
The NTC of the Philippines allocated 3.6–3.8GHz (including 100MHz)×1 for 5G to InfiniVAN, Inc. |
| 2020-01 |
The NTC of the Philippines allocated 3.6–3.8GHz (including 100MHz)×1 for 5G to InfiniVAN, Inc. |
| 2020-04 |
Services for 'Pinoy Gazette', 'Pinoy Life', 'Pinoy Job', and 'VOX TV' were terminated. |
| 2020-05 |
Acquired usage rights for part of the submarine cable C2C (Manila–Hong Kong–Singapore). |
| 2020-05 |
Established IPS Telecommunication Singapore Pte. Ltd. (now ISMO Pte. Ltd.) in Singapore. |
| 2020-12 |
Changed listing to the First Section of the Tokyo Stock Exchange. |
| 2022-01 |
Made CarrierDomain, Inc., a U.S. carrier, a consolidated subsidiary. |
| 2022-04 |
Changed listing to the Prime Market of the Tokyo Stock Exchange. |
| 2022-06 |
Established Shinagawa Healthcare Solutions Corporation, an overseas subsidiary providing preventive medical care and operating health checkup centers in the Philippines. |
| 2022-07 |
Separated domestic telecommunications business and established IPS Pro Corporation. |
| 2023-12 |
Completed the PDSCN submarine cable system in the Philippines. |