Inventor

SAKAI KEIJIROU

JP3 patents

Patents

3 patents

US6556464B2Apr 29, 2003

PWM converter system

HITACHI LTD30 citations92

US6876108B2Apr 5, 2005

Linear motor, its controlling method, and XY table

HITACHI LTD6 citations61

US6975048B2Dec 13, 2005

Drive apparatus and XY table utilizing the same

HITACHI LTD3 citations60