Inventor
AKIYOSHI KOJI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “AKIYOSHI KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NTN TOYO BEARING CO LTD
8 patentsUS7878315B2Feb 1, 2011
Spring clutch
NTN TOYO BEARING CO LTD32 citations91
US5967279AOct 19, 1999
Hub clutch assembly
NTN TOYO BEARING CO LTD16 citations73
US5871072AFeb 16, 1999
Hub clutch assembly
NTN TOYO BEARING CO LTD8 citations73
US7997397B2Aug 16, 2011
One-way clutch
NTN TOYO BEARING CO LTD5 citations62
US7874413B2Jan 25, 2011
Rotation transmission device
NTN TOYO BEARING CO LTD6 citations58
US9976608B2May 22, 2018
Rotation transmission device
NTN TOYO BEARING CO LTD1 citations51
US6076420AJun 20, 2000
Power transmission changeover devices for four-wheel drive vehicles
NTN TOYO BEARING CO LTD1 citations51
US10151357B2Dec 11, 2018
Rotation transmission device
NTN TOYO BEARING CO LTD1 citations50