国家/地区 韩国（3）
IPC部 H（2）
IPC大类
IPC小类
IPC
发明人 LEE S（3）
公开年 2023（3）
申请年 2022（3） 
专利权人

Catalyst useful for producing hydrogen comprises aluminum oxide or activated carbon, platinum supported in pores of aluminum oxide or activated carbon, and molybdenum mixed with platinum and supported in pores.

LEE K, JISU J, KIM C H, PARK T, LEE S, JANG J S, PARK T I

Radio frequency (RF) connector for use in e.g. communication facility, has shielding structure that is provided on one surface other than surface to which magnets of first structure and magnets of second structure are attached to each other.

LEE S, CHANG K, CHAE J, CHOI H, LEE S J, KONHEE C, CHAE J H

Attachable microphone for microphone array, has substrate having back chamber with first tubular hollow, and first frame member surrounding back chamber and containing first polymer or inorganic material; and back plate unit.

CHO K, MOON W, LEE S, KIM J, CHO K W, MOON W K, KIM J S