Patents/Inventors

Takemi Ishizuka

AichiJP3 patents

4 Patents

US124422532025
Twin Bit
METAL TOOL Inc
0 cites
US121232632024
Multidirectional Auger Bit
METAL TOOL Inc.
0 cites
US118918602024
Casing Protection Bit
METAL TOOL Inc.
0 cites
US117957652023
Auger Bit
METAL TOOL Inc
0 cites