INTERNATIONAL PATENT: DAN TSUYOSHI, 段 錬 FILES APPLICATION FOR "PET BOTTLE UTILIZING SEALING PRINCIPLE OF SPHERICAL BODY AND CONICAL BODY INNER SURFACE AND CAP OF PET BOTTLE"

GENEVA, April 19 -- DAN Tsuyoshi (9-4-1-1209 Akasaka, Minato-ku Tokyo1070052), 段　錬 (東京都港区赤坂９－４－１－１２０９) filed a patent application (PCT/JP2025/006885) for "PET BOTTLE UTILIZING SEALING PRINCIPLE OF SPHERICAL BODY AND CONICAL BODY INNER SURFACE, AND CAP OF PET BOTTLE" on Feb 27, 2025. With publication no. WO/2026/078910, the details related to the patent application was published on Apr 16, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): DAN Tsuyoshi (9-4-...