といった means "such as", "like": it comes after one or more examples and before the noun that names the whole group. The examples are nouns, usually joined with or , and the list is open – there are more members than the ones you name.
。
I am studying foreign languages such as English and French.
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Big cities like Tokyo and Osaka have large populations.
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Skills such as leadership and teamwork are in demand.
The group noun after といった is required. A list that ends on といった, with nothing after it, is not finished: ×寿司やラーメンといったが好きです.
といった or など
covers the same ground and is the everyday choice:
. といった sounds more formal, and you meet it in news, reports and essays.
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Sports such as soccer and baseball are popular.
。
Sports such as soccer and baseball are popular.
これといった with a negative
before a noun, with a negative verb, means "nothing in particular", "no … worth mentioning".
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I don't have any hobby worth mentioning.
、。
There's no particular reason, but somehow I don't want to go.
Lingaku