Question Bonsai Scissor signature

[Vanhahillo]

So I need some help with what I suppose is a signature on these bonsai scissors. Would really appreciate the help.

 

[johnnyG]

I think the reading is 'katsuhiro'...? (usually see this as a given name)

 

[Vanhahillo]

Thank you very much!

 

[Majestic]

Slight correction

一弘 = Kazuhiro