国家/地区 欧洲专利局（EPO）（2）
IPC部 C（2）
IPC大类 C23（2）
IPC小类 C23C（2）
IPC H01J009/02（2）
发明人
公开年
申请年
专利权人

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

Graphite nanofibers for electron emitting source and cathode of lithium ion secondary battery comprises graphene sheets having truncated conical shape, sequentially arranged through catalytic metal particles.

MURAKAMI H, HIRAKAWA M, TANAKA C