After careful observation of those documents, they are nowhere to be found.
Which would mean... They are possibly compressed and simply coded specifically. If that's the case, someone with programming knowledge would be able to find/edit them.
A lot of these fonts, however, are in 2 bytes (Because a character in Japanese is equal to that in Shift-jis).
Figuring a way to fit English translation over them, might need some work on.
But, will worry about that later if it comes to that.
Anyone interested/willing to tackle this, you are welcome to join the project!

Just message here or PM me.