Dates used:  ?????
Inside of helmet:  Some form of an Adjustrap  
Manufacturer:  
Logo:  screen printed  
Thoughts:  This is a Japanese souvenir helmet and it is much stronger than the American counterparts.  The team is the Yakult Swallows.
 
Dates used:  ?????
Inside of helmet:  Some form of an Adjustrap with a foam center 
Manufacturer:  
Logo:  Felt sticker 
Thoughts:  This is a Japanese souvenir helmet and it is much stronger than the American counterparts.  The team is the Yomiuri Giants.
 
Dates used:  ?????
Inside of helmet:  Some form of an Adjustrap  
Manufacturer:  
Logo:  screen printed  
Thoughts:  This is a Japanese souvenir helmet and it is much stronger than the American counterparts.  The team is the Hanshin Tigers.