Okutsuya
Opened in 2004 by a chef trained at the legendary Suzukiya, the originator of Yokohama ie-kei ramen, who then went independent. Located near Tamagawagakuenmae Station. Google 4.14 with 77 reviews, Yahoo Maps 4.1 with 73 reviews. Full ie-kei experience with customizable noodle firmness, oil level, and soup intensity.
Praised as genuine ie-kei ramen by a Suzukiya-trained chef. The ability to customize noodle firmness is seen as authentic. Many say it is worth the trip to Tamagawagakuenmae. High ratings maintained on both Google and Yahoo platforms with many loyal regulars.