| Company name | Group | Parent | Subsidiary | Customer | Supplier | Alliance | Bank | Shareholder |
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| PHCグループ | ||||||||
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| LSIM Safety Science Institute Inc. | ||||||||
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Mitsubishi Chemical Safety Science Research Institute was established
Our history dates back to 1977 when non-clinical testing operations began.
Panapharm Laboratories was established
Mitsubishi Oil Chemical BCL was established
The three businesses of Mitsubishi Chemical Safety Science Research Institute, Mitsubishi Chemical Yatron, and Mitsubishi Chemical BCL merged to form Mitsubishi Chemical Medience Inc. (later LSI Medience)
Became a subsidiary of PHC Holdings Inc.
The non-clinical business of LSI Medience was spun off to establish LSI M Safety Science Institute Inc.
Mediford was established in 2023.
The clinical trial business of LSI Medience was succeeded by LSI M Safety Science Institute Inc., and Mediford Inc. was established.
An interview with President Ueda of Medi-Pharm Co., Ltd. appeared in the August 31, 2026, issue of Chemical Daily. It was published with permission from Chemical Daily and may not be reproduced without authorization.