PHF secretary Asif Bajwa said the FIH had informed them late that the last date for submission of application for Indian visa was September 24.
Former Olympian Waseem Feroze said he was happy to see a sub-continental team win an Olympic medal after such a long time.
PHF officials will be taking up the issue of resuming bilateral series against India at neutral venues on the sidelines of the 47th FIH Statutory Congress.
Even in a practice game, France 3 Pakistan 0 looks like an anomaly, a typing error in a hastily compiled scorecard.
Experienced Rashid Mehmood had replaced Rizwan junior in the squad that recently played in the Asian Champions Trophy in Muscat and shared the title with India.
The sponsorship deal will cover all international tours of senior and junior national teams as well as domestic hockey.
Late on Saturday night, the Twitterati in Pakistan were celebrating.
Pakistan had their chances in the 60-minute duel, but things didn't happen their way, whereas Japanese were perfect in creating chances in Pakistan's citadel and in their defence too.
The 49-year-old has been suffering for weeks from complications stemming from a pacemaker and stents implanted in his heart.
Newly-appointed head coach Farhat Khan is eager to bring Pakistan back as one among the leading contenders of the game after its poor show in recent times.