Inventor

KAWAMICHI HIROAKI

JP3 patents

Patents

3 patents

US7181470B1Feb 20, 2007

Coincidence method for distribution system

HITACHI LTD8 citations71

US7072766B2Jul 4, 2006

Guidance information providing system

HITACHI LTD8 citations71

US6886039B1Apr 26, 2005

Adaptive communication method

HITACHI LTD2 citations60