I see a budding artist! n_n;
No but really, neat drawings you have here! Your colors are very accurate to the originals, so that's always good. And overall, there aren't many eraser lines or heavy pencil marks, so it's good that you took a light-handed approach because that makes the piece better overall. I recommend you break away from Sugimori's style a little and try experimenting on your own with the Pokemon you like! I think we'd love to see that. :3
Also, make sure that when you color, you avoid using broad strokes. That way, you'll be able to keep the color consistent and you won't end up with those sketchy lines. Just keep working on it and take your time. So far, what you've posted shows a lot of promise. Good luck! Can't wait to see more!