著明 is read as ちょめい (chomei) and means clarity.
ちょめい
chomei
ちょしょ
(written) work
well-known
ちょさく
writing
ちょさくけん
copyright
ちょじゅつ
ちょだい
exceptionally large
ちょめいじん
celebrity
ちょさくしゃ
writer
ちょさくか
ちょさくけんほう
Copyright Act
ちょさくけんしゃ
copyright holder
ちょさくしゃじんかくけん
author's personal rights