国家/地区 韩国（4）
IPC部 B（2） C（2） H（2）
IPC大类 B01（2） C01（2）
IPC小类 B01J（2） C01B（2）
IPC
发明人 LEE S（4）
公开年
申请年
专利权人 POSTECH ACADIND FOUND（4）

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

Photocatalyst for use as denitrification catalyst for removing nitrate ion, and processing water, comprises titanium dioxide particle comprising titanium dioxide, carbon material located on all or portion of surface of titanium dioxide particle and comprising graphene, reduced graphene oxide.

LEE S, CHOI W, CHOIWEONYONG, BI L S

Device for harvesting the electric energy from sunlight on a sunny day and electric energy in rainy weather, comprises solar cells that generate electric power by receiving sunlight, and intermediate capacitor is connected to second node.

KIM D S, LIM H E, HYEON Y D, PARKSEONGCHOL, SHIM J Y, CHOI D W, LEE S

Producing graphene comprises providing cellulose substrate containing sodium ions, and forming graphene by irradiating laser into cellulose substrate.

MIN J, LEE S