Inventor

HASEGAWA RYOEI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “HASEGAWA RYOEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI METAL CORP

2 patents

US4679968AJul 14, 1987

Indexable cutter insert

MITSUBISHI METAL CORP36 citations89

US5026221AJun 25, 1991

Rotary cutting tool

MITSUBISHI METAL CORP19 citations72

MITSUBISHI MATERIALS CORP

1 patent

US5090849AFeb 25, 1992

Rotary cutting tool

MITSUBISHI MATERIALS CORP17 citations71