Ryusen Hamono, Takamura Hamono, Takeshi Saji.
Also worth thinking about; most people on this forum say "Takefu" and really just mean the makers of "Takefu Knife Village" which...
Yeah. Your pre-edit post was about 70% less fleshed out.
Not only did you not answer his question, little, if any, of what you said makes any sense. Just my $0.02.
Adjusting your cutting technique would be a more worthwhile project than putting a flat spot in that knife.
Separate names with a comma.