Inter boss Leonardo has praised the club for making such an impact in the January transfer window and welcomed back Wesley Sneijder.
The Nerazzurri brought in four new faces, namely Giampaolo Pazzini, Andrea Ranocchia, Houssine Kharja and Yuto Nagatomo.
"We managed to find what we needed and it's not easy," Leonardo said.
"Serie A is a difficult League, but we want to win. The search for balance and perfection is constant, even if up until now we have played above all to get back into the title race."
Asked specifically about Nagatomo, he said: "Japan has grown a lot on a footballing level. I played there 17 years ago and in this period I have followed Japanese football and its growth.
"Nagatomo comes into a great team and it's a pleasure to train him. This signing on Inter's part can also be seen as a recognition for Japanese football."
Reacting to the news that Sneijder is finally back training with the squad again, he said: "Wesley has been out for 50 days. It's a long time and also other players like Cambiasso and Motta are not in peak condition.
"We have to be careful."