Inventor

KATSUMA TOSHIFUMI

JP6 patents

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

MITSUBISHI HEAVY IND LTD

3 patents

US7341501B2Mar 11, 2008

Gear grinding machine, method for dressing threaded grinding wheel and method for grinding work

MITSUBISHI HEAVY IND LTD23 citations91

US7083496B2Aug 1, 2006

Gear grinding machine

MITSUBISHI HEAVY IND LTD12 citations82

US8038563B2Oct 18, 2011

Index table

MITSUBISHI HEAVY IND LTD3 citations57

KATSUMA TOSHIFUMI

2 patents

US8979616B2Mar 17, 2015

Gear processing machine

KATSUMA TOSHIFUMI4 citations62

US9511477B2Dec 6, 2016

Gear grinding machine

KATSUMA TOSHIFUMI2 citations57

KURASHIKI HIROYUKI

1 patent

US8137160B2Mar 20, 2012

Gear matching device and gear machining apparatus

KURASHIKI HIROYUKI8 citations70