About Mediford ( Mediford Corporation )

Corporate Profile

Company Name
Mediford Corporation
Head Office
36-1 Shimizu-cho, Itabashi-ku, Tokyo 174-0053
President
Tetsuya Ueda
Paid-in Capital
80 million yen (as of November 1, 2023)
Shareholder
PHC Holdings Corporation
Business
Non-clinical Contract Research Services,
Bioanalysis Services, Central Laboratory Services
Number of Employees
603 (as of Apr 1, 2026)
Main Places of Business
HQ, Analytical Research Center, Kashima Laboratories, Kumamoto Laboratories

Leadership

Chairman
Director
(Part-time)
Koichiro Sato
President
Representative Director
Chief Operating Officer (COO)
Chief Compliance Officer (CCO)
Tetsuya Ueda
Director
Chief Financial Officer (CFO)
Yoshinori Nagayama
Director (Part-time)
Ryuichi Hirashima
Auditor (Part-time)
Shigemasa Torayama
Corporate Officer
Hideo Matsumoto
Corporate Officer
Tadashi Okazaki

(as of July 1, 2026)

History

1977
Established Mitsubishi-kasei Institute of Toxicological and Environmental Sciences, Co., Ltd.
1985
Established Panapharm Laboratories Co., Ltd.
1988
Established Mitsubishi Yuka Bio-Clinical Laboratories. Inc.
2007
Merged Mitsubishi Chemical Safety Institute Ltd., Mitsubishi Kagaku Iatron Inc. and Mitsubishi Kagaku Bio-Clinical Laboratories, Inc., to launch Mitsubishi Chemical Medience Corporation (Later the name changed to LSI Medience Corporation)
2019
Parent company changed to PHC Holdings Corporation
2021
Demerged the non-clinical business from LSI Medience Corporation and started LSIM Safety Institute Corporation
2023.11
Established Mediford Corporation by combining the drug development support businesses of LSIM Safety Institute Corporation and LSI Medience Corporation

Qualified Personnel

Veterinarians
27
Pharmacists
26
Clinical laboratory technicians
(Medical Technologist)
38
Health supervisors
17
Health laboratory technicians
13