国家/地区 欧洲专利局（EPO）（2）
IPC部 C（2）
IPC大类
IPC小类
IPC
发明人
公开年 2021（2）
申请年 2020（2）
专利权人 NAT INST ADVANCED IND SCI TECHNOLOGY（2）

Electron-emitting element e.g. cold cathode-type electron source, has coating membrane that is film which transmits electron, and second electrode that is protective film of different material, and comprises electron emission surface.

MURAKAMI K, NAGAO M, KATSUHISA M, MASAYOSHI N

Gas sensor used in system for detecting alkene e.g. ethylene, comprises reaction section comprising hydroxylamine salts and reacts with aldehyde and/or ketone, and response section including electrode supporting semiconductor material.

ISHIHARA S, NAKANISHI T, HONG D