The Restaurant at Marunouchi Hotel
The restaurant at Marunouchi Hotel is referenced by professional reviewers writing for major publications. Out of 8 professionals tracked on TripExpert, 4 mentioned the restaurant, including Rough Guide, Concierge and Fodor's.
Marunouchi Hotel 
Rough Guide
Concierge
Fodor's
Time Out
Rough Guide "choice of restaurants and cheerful, well-furbished rooms"
Concierge "Breakfast is served at the Pomme d'Adam restaurant, which has a lovely outdoor terrace, but the notoriously strong winds might keep you inside"
Fodor's "If you need other options, a multitude of restaurants awaits at the nearby Shin-Marunouchi Building"
Time Out "Restaurants include Japanese and French ones, and business facilities are good"
