Inventor

TAKATOU MASAO

JP3 patents

Patents

3 patents

US5530441AJun 25, 1996

Traffic flow measuring method and apparatus

HITACHI LTD68 citations95

US5283573AFeb 1, 1994

Traffic flow measuring method and apparatus

HITACHI LTD61 citations95

US6098029AAug 1, 2000

Liquid-level position measuring method and system

HITACHI LTD110 citations93