Inventor
ISHITANI KENICHIRO
JP4 patents
Patents
4 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
US4482159ANov 13, 1984
Stern tube seal device
MITSUBISHI HEAVY IND LTD21 citations80
US4482158ANov 13, 1984
Stern tube seal device
MITSUBISHI HEAVY IND LTD12 citations65