A story that ran in The Asahi Shimbun gave three names as “tough” examples: “Marin,” written with one kanji denoting the sea; “Pikachu” written with two kanji characters denoting ...

Another acceptable case is where kun readings are applied to multiple kanji, as in Asuka for the characters for "to fly" and "bird," and Otome for the characters for "clever" and "female." ...

The regulation for enforcing the Family Register Law already determines which kanji can be used in names. Currently, local government officials who receive birth notifications check that the kanji ...