Inventor
UNSEKI TAKASHI
JP3 patents
Patents
3 patentsUS4534569AAug 13, 1985
Stern tube seal device providing a seal about a rotatable shaft
MITSUBISHI HEAVY IND LTD55 citations92
US4632403ADec 30, 1986
Stern tube seal device providing a seal about a rotatable shaft
MITSUBISHI HEAVY IND LTD30 citations89
US9463856B2Oct 11, 2016
Ship of contrarotating propeller propulsion type
MITSUBISHI HEAVY IND LTD0 citations45