Sanyo Chemical Research Institute Co., Ltd.

Since its founding in 1968, Sanyo Chemical Research Institute has pursued a single path of chemical synthesis, focusing on generic drug active ingredients and beyond. Leveraging our strengths in in‑house development and manufacturing, we are committed company‑wide to supply safe, high‑quality products reliably. As the use of generic drugs is expected to grow further, we will faithfully comply with relevant regulations while always prioritizing "high quality" and "speed", aiming to become a leading generic drug API manufacturer.

With business expansion, relocated to Sakai City, Osaka Prefecture (current location).

Renamed to Sanyo Chemical Research Institute and reorganized as a corporation.

December: renamed to Sanyo Chemical Research Institute and reorganized as a corporation.

Corporate establishment: December 17, 1971.

Obtained a pharmaceutical manufacturing license and began production of diclofenac sodium, an anti‑inflammatory analgesic.

Obtained a pharmaceutical manufacturing license and began production of diclofenac sodium, an anti‑inflammatory analgesic: shifted primary operations to pharmaceutical manufacturing.

Start of Operation at Toyama Plant

New Automated Warehouse at Toyama Plant

New Headquarters Office and Quality Management Building

Completion of R2 Building (Refinery Plant) at Toyama Plant

Completion of S2 Building (Synthesis Plant) at Toyama Plant

Start of Operation at Izunokita Plant

New Comprehensive Management Building (Research Institute)

Completion of S1 Building (Synthesis Plant) and R1 Building (Refinery Plant) at Izunokita Plant

Completion of H1 Building (High Pharmacological Active API Manufacturing Building) at Izunokita Plant

New Automated Warehouse at Izunokita Plant

Completion of S3 Building (Synthesis Plant) at Toyama Plant