GENEVA, July 29 -- DERKWOO ELECTRONICS CO., LTD. (98-23 Cheomdangieop 7-ro, Sandong-eup,Gumi-si,Gyeongsangbuk-do 39167), 덕우전자주식회사 (경상북도구미시산동읍 첨단기업7로 98-23) filed a patent application (PCT/KR2025/000245) for "HEAT TREATMENT APPARATUS FOR NOTCH PART OF VENT CAP OF CYLINDRICAL SECONDARY BATTERY" on Jan 06, 2025. With publication no. WO/2025/155015, the details related to the patent application was published on Jul 24, 2025.

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