A 41-year-old man who was punched by a passenger as he was getting off a train at a Tokyo station earlier this month remains in a coma and his assailant is still at large, much to the anger of the victim's family.

Katsuhiro Kobayashi, an employee of the temporary employment agency ITN Service, was on his way home from work when he was punched in the face by another man as he was getting off a Yamanote Line train at JR Nippori Station shortly after 7 a.m. Nov. 9, according to police.

The other man, who was trying to get on the train as Kobayashi was getting off, was apparently miffed because they bumped into each other.