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Taiwan Otsuka Pharmaceutical

otsuka.com.tw

Taiwan Otsuka Pharmaceutical was listed on the The Gentlemen and Eclipse leak site on Oct 14, 2026. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Country: TaiwanIndustry: Pharmaceuticals
Updated continuously · figures as of Oct 19, 2026
Claimed by
The Gentlemen, Eclipse
First listed
Oct 14, 2026
Claims recorded
2

2 Leak-Site Claims.

The GentlemenConfirmed claim
Posted on the leak site
Oct 14, 2026
Collected by Brandefense
Oct 16, 2026
Data claimed
Not stated
Leak-site post text, written by the group
otsuka.com.tw Revenue $278.3 Million Otsuka Pharmaceutical (Taiwan) Co., Ltd. Taiwanese arm of Japan's Otsuka Holdings (TSE: 4578), operating since 1974, first as a JV, wholly owned since 1995. HQ in Taipei's Daan District with plants in Guandu and Kaohsiung, ~500-1,000 staff, capital NT$531M, president Ryoichi Fukumoto. Core business: prescription drugs (Abilify, Mucosta, nephrology/oncology lines), consumer brands (Pocari Sweat, Nature Made, CalorieMate, SOYJOY), medical devices, and a new insurance services arm. The group posted record 2025 pharma results (+22% revenue, +43% operating…
EclipseConfirmed claim
Posted on the leak site
Oct 14, 2026
Collected by Brandefense
Oct 14, 2026
Data claimed
Not stated
Leak-site post text, written by the group
Taiwan Otsuka Pharmaceutical was founded in 1974, with the philosophy of "pursuing the health and well-being of people worldwide". With the continuous efforts for the expansion and renewal of production equipment, pharmaceutical technology has continuously improved the quality. It has driven Taiwan's pharmaceutical industry to recognize the high-quality infusion containers. Taiwan Otsuka Pharmaceutical Factory was ranked as Grade A by the Department of Health in 1984. It was approved as a GMP pharmaceutical factory by the Department of Health and the Ministry of Economic Affairs of the…

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.