Theres isnt lots of info on the sword companys. Only info is from the known books, like G&F's military swords and Omuhra's on the web.
JAPANESE SWORD COMPANY LOGOS
Hello Thomas,There are many more Japanese Dirks and Makers than we have ever known!,Your mark is yet another we haven't yet discovered. Bruce has yet found yet another marking, Patterns,Makers and variations for different organizations will continue to appear as we look into the Civil areas of organizations as well as military ...I am very pleased in the interest this thread has generated! perhaps we will move our hobby to the next level! Thanks to all who have participated in the discussion! I am looking forward to what comes to light! Regards,Geoff