Inventor

KATAYAMA EIICHI

JP4 patents

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

KOYO SEIKO CO

2 patents

US4960405AOct 2, 1990

Traction drive spindle device

KOYO SEIKO CO15 citations72

US5033921AJul 23, 1991

Traction drive tool adapter

KOYO SEIKO CO15 citations71

SHOWA SEIKI KK

1 patent

US4981403AJan 1, 1991

Speed-up spindle unit

SHOWA SEIKI KK31 citations86

KYOCERA CORP

1 patent

US9408307B2Aug 2, 2016

Device housing package

KYOCERA CORP2 citations57