Key Facts
• July–August 2023: Suspect allegedly defrauded a 70s male acquaintance of $20,000.
• Claimed U.S. cancer vaccine patent and licensing deal with pharmaceutical company.
• Promised triple returns with principal guarantee, leading to fraudulent investment.
• Suspect, 66, posed as head of “Etocell Research Institute” and a medical doctor.
• October 2023: Previously arrested for unlicensed medical practice at a clinic.
• November 20, 2025: Osaka police re-arrested suspect for fraud charges.
• Suspect denies all allegations, calling them “nonsense.”
• Fraud discovered during investigation into earlier unlicensed medical practice case.
Summary
Osaka police re-arrested a 66-year-old man on November 20, 2025, for allegedly defrauding a male acquaintance in his 70s of approximately $20,000. The suspect claimed to have secured a U.S. patent for cancer vaccine development and a licensing deal with a pharmaceutical company, promising triple returns on investments with a principal guarantee. Operating under the guise of the “Etocell Research Institute” and posing as a medical doctor, he solicited funds through crowdfunding and personal investments. The fraud allegations surfaced during an investigation into his October 2023 arrest for unlicensed medical practice. The suspect denies all charges, calling them baseless.
