| 1965 |
Start of medical administrative correspondence education |
| 1965-10 |
Founded as Japan's first medical administrative education institution (October) |
| 1965-10 |
Founded as Japan's first medical office administration education institution |
| 1968-10 |
Company establishment (October) |
| 1968-10 |
Company establishment |
| 1969 |
Start of entrusted medical fee claim operations |
| 1972 |
Start of medical administrative correspondence education (classroom) |
| 1979 |
Start of comprehensive entrusted medical operations |
| 1980 |
Renamed to Japan Medical Administrative Center Co., Ltd. |
| 1985 |
Start of medical administrative computer education |
| 1986 |
Start of human resource dispatch business |
| 1988 |
Start of entrusted medical consulting operations |
| 1992 |
Stock listing (JASDAQ) |
| 1993 |
Start of pharmacy dispensing business |
| 1995 |
Start of in-hospital logistics operations using SPD method |
| 1996 |
Acquired building in Chiyoda Ward and relocated headquarters |
| 1998 |
Start of home helper training courses |
| 1998 |
Participated in Ministry of Health, Labour and Welfare DRG/PPS pilot survey |
| 1998 |
Started home helper training courses, participated in Ministry of Health, Labour and Welfare's DRG/PPS pilot survey |
| 1999 |
Start of home visit care and home-based care support |
| 2000 |
Start of paid employment placement services |
| 2001 |
Start of commissioned nursing care billing services |
| 2001 |
Acquired ISO9001 2000 version company-wide certification |
| 2001 |
Started entrusted nursing care billing, obtained ISO 9001:2000 certification company-wide |
| 2002 |
Start of welfare equipment rental and sales |
| 2002 |
Participation in Japan's first hospital PFI |
| 2002 |
Start of childcare business (currently: children’s business) |
| 2002 |
Listed on the Tokyo Stock Exchange Second Section |
| 2002 |
Started rental and sales of welfare equipment, participated in Japan's first hospital PFI, started childcare business (current: children’s business), listed on Tokyo Stock Exchange Second Section |
| 2003 |
Established the Skills Certification Promotion Association |
| 2003 |
Start of day-care services |
| 2003 |
Established Skill Certification Promotion Association, started day care services |
| 2004 |
Subsidiary of I.M.B. Center Co., Ltd. |
| 2004 |
Start of DPC-related services |
| 2004 |
Made I.M.B.I. Center a subsidiary, started DPC-related services |
| 2005 |
Start of group home services |
| 2005 |
Start of short stay services |
| 2005 |
Started group home, started short stay services |
| 2006 |
Start of paid elderly housing |
| 2007 |
Start of small-scale multi-functional in-home care |
| 2008 |
Acquired the Next Generation Child Rearing Support Certification Mark (Kurumin) |
| 2009 |
Transferred all shares of a subsidiary engaged in pharmacy business |
| 2012 |
Made shares non-listed through MBO |
| 2012 |
Start of service-equipped senior housing |
| 2012 |
Integrated I.M.B. Center Co., Ltd. |
| 2012 |
Rebranded as Solasto Corporation |
| 2012 |
Went private through MBO, started service-oriented senior housing, merged I.M.B.I. Center, renamed to Solasto Corporation |
| 2013 |
Relocated headquarters to Minato Ward |
| 2014 |
Established Career Center |
| 2014 |
Made Kokochi Care Corporation a subsidiary |
| 2014 |
Established the 'Career Center' and made Cocochi Care Inc. a subsidiary |
| 2015 |
Celebrated 50th anniversary since founding |
| 2016 |
Merged with Kokochi Care Corporation |
| 2016 |
Established ICT Business Development Center |
| 2016 |
Listed on the First Section of the Tokyo Stock Exchange |
| 2016 |
Merged with Cocochi Care Inc., established 'ICT Business Development Center', and listed on the First Section of the Tokyo Stock Exchange |
| 2017 |
Made Best Care Corporation a subsidiary |
| 2017 |
Made Nihon Care Link a subsidiary |
| 2017 |
Made Best Care Inc. a subsidiary and Japan Care Link Inc. a subsidiary |
| 2018 |
Made All Life Mate a subsidiary |
| 2018 |
Made All Life Mate Inc. a subsidiary |
| 2019 |
Made Nagoya Care Link Corporation a subsidiary |
| 2019 |
Entered business and capital alliance with Japan Medical Association ORCA Management Organization Corporation |
| 2019 |
Invested in ICI Corporation |
| 2019 |
Made Nagoyaka Care Link Inc. a subsidiary, formed business and capital alliance with Japan Medical Association ORCA Management Organization Inc., and invested in ICI Inc. |
| 2020 |
Made E no Kai Group a subsidiary |
| 2020 |
Entered business and capital alliance with Plus Medy |
| 2020 |
Entered business alliance with Softmax |
| 2020 |
Made Nihon Elderly Care Service a subsidiary |
| 2020 |
Made Five Seasons Healthcare a subsidiary |
| 2020 |
Made Megumi-kai Group a subsidiary, formed business and capital alliance with Plus Medical Inc., business alliance with SoftBank Corp., made Japan Elderly Care Service Inc. a subsidiary, and Five Seas Healthcare Inc. a subsidiary |
| 2021 |
Launched remote medical services as Smart Hospital Business |
| 2021 |
Partnership with SoftBank |
| 2021 |
Made Plus a subsidiary |
| 2021 |
Launched remote medical services as part of the Smart Hospital Business, formed business alliance with SoftBank Corp., and made Plus Inc. a subsidiary |
| 2022 |
Made Kokoro Care Plan a subsidiary |
| 2022 |
Made Hug Hug Kids a subsidiary |
| 2022 |
Made Nanairo a subsidiary |
| 2022 |
Made MG Factory a subsidiary |
| 2022 |
Made Kokoro Care Plan Inc., Hagu Hagu Kids Inc., Nanairo Inc., and MG Factory Inc. subsidiaries |
| 2023 |
Made Mori Shin a subsidiary |
| 2023 |
Made Solasto Care a subsidiary |
| 2023 |
Made Solasto Care Network a subsidiary |
| 2023 |
Made Medical Life Care a subsidiary |
| 2023 |
Made Poshible Medical Science a subsidiary |
| 2023 |
Made Morinobu Inc., Solasto Care Inc., Solasto Care Network Inc., Medical Life Care Inc., and Possible Medical Science Inc. subsidiaries |
