Inventor
OKAWA MASAYUKI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “OKAWA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI MATERIALS CORP
16 patentsUS5190418AMar 2, 1993
Rotary cutter
MITSUBISHI MATERIALS CORP27 citations93
US5085542AFeb 4, 1992
Indexable cutting insert
MITSUBISHI MATERIALS CORP39 citations93
US5294219AMar 15, 1994
Ball end mill
MITSUBISHI MATERIALS CORP22 citations92
US5221162AJun 22, 1993
Ball end mill
MITSUBISHI MATERIALS CORP34 citations92
US5197831AMar 30, 1993
Cutting insert for ball end mill
MITSUBISHI MATERIALS CORP28 citations92
US5188488AFeb 23, 1993
End mill
MITSUBISHI MATERIALS CORP50 citations92
US5100268AMar 31, 1992
Insert clamped tool
MITSUBISHI MATERIALS CORP52 citations92
US6312201B1Nov 6, 2001
Interference fit type cutting tool
MITSUBISHI MATERIALS CORP34 citations91
US5391022AFeb 21, 1995
Cutting tool
MITSUBISHI MATERIALS CORP12 citations74
US5193945AMar 16, 1993
Cutting tool
MITSUBISHI MATERIALS CORP17 citations74
US5188487AFeb 23, 1993
Ball end mill
MITSUBISHI MATERIALS CORP17 citations74
US5186583AFeb 16, 1993
Rotary cutter
MITSUBISHI MATERIALS CORP7 citations74
US6126365AOct 3, 2000
Boring tool
MITSUBISHI MATERIALS CORP11 citations73
US5332339AJul 26, 1994
Throw-away cutting tool
MITSUBISHI MATERIALS CORP4 citations63
US5314273AMay 24, 1994
Cutting tool
MITSUBISHI MATERIALS CORP3 citations63
US5201614AApr 13, 1993
Rotary cutting tool
MITSUBISHI MATERIALS CORP0 citations42
MITSUBISHI METAL CORP
11 patentsUS5156503AOct 20, 1992
Boring bar tool
MITSUBISHI METAL CORP28 citations92
US5017055AMay 21, 1991
Indexable cutter insert
MITSUBISHI METAL CORP45 citations92
US4927303AMay 22, 1990
Ball end mill
MITSUBISHI METAL CORP37 citations92
US4919573AApr 24, 1990
Ball end mill
MITSUBISHI METAL CORP41 citations92
US4898499AFeb 6, 1990
Ball end mill
MITSUBISHI METAL CORP46 citations92
US4834591AMay 30, 1989
Indexable cutter insert
MITSUBISHI METAL CORP24 citations92
US4934881AJun 19, 1990
Ball end mill
MITSUBISHI METAL CORP49 citations90
USD308874SJun 26, 1990
Ball end mill
MITSUBISHI METAL CORP17 citations82
US5261767ANov 16, 1993
Boring bar tool
MITSUBISHI METAL CORP10 citations74
USD309317SJul 17, 1990
Ball end mill
MITSUBISHI METAL CORP11 citations74
US4883391ANov 28, 1989
Ball end mill
MITSUBISHI METAL CORP11 citations74