Inventor
ADACHI SHUHEI
JP21 patents
Patents
21 patentsUS6138351AOct 31, 2000
Method of making a valve seat
YAMAHA MOTOR CO LTD25 citations92
US5787853AAug 4, 1998
Valve seat-bonding area structures and valve seat-bonded cylinder head with the structures
YAMAHA MOTOR CO LTD25 citations92
US5745993AMay 5, 1998
Valve seat
YAMAHA MOTOR CO LTD29 citations92
US5742020AApr 21, 1998
Valve seat-bonded cylinder head and method for producing same
YAMAHA MOTOR CO LTD27 citations92
US5692726ADec 2, 1997
Bonded valve seat
YAMAHA MOTOR CO LTD20 citations92
US5649358AJul 22, 1997
Method of making a valve seat
YAMAHA MOTOR CO LTD34 citations92
US5586530ADec 24, 1996
Valve seat insert
YAMAHA MOTOR CO LTD40 citations92
US7108091B2Sep 19, 2006
Small vehicle with fuel cell that has elements cooled by ventilation system
YAMAHA MOTOR CO LTD45 citations91
US5768779AJun 23, 1998
Method of manufacturing cylinder head for engine
YAMAHA MOTOR CO LTD17 citations84
US7219758B2May 22, 2007
Small vehicle having fuel cell with damage protection
YAMAHA MOTOR CO LTD12 citations83
US5970614AOct 26, 1999
Method for forming valve seats
YAMAHA MOTOR CO LTD16 citations73
US5860401AJan 19, 1999
Bonded valve seat and method
YAMAHA MOTOR CO LTD16 citations73
US5848579ADec 15, 1998
Cylinder head for engine
YAMAHA MOTOR CO LTD12 citations73
US5809644ASep 22, 1998
Valve lifter
YAMAHA MOTOR CO LTD5 citations73
US5794337AAug 18, 1998
Valve seat and test procedure
YAMAHA MOTOR CO LTD7 citations73
US5778531AJul 14, 1998
Method of manufacturing cylinder head for engine
YAMAHA MOTOR CO LTD14 citations73
US5765520AJun 16, 1998
Cylinder head for engine
YAMAHA MOTOR CO LTD15 citations73
US5761806AJun 9, 1998
Method of bonding valve seat
YAMAHA MOTOR CO LTD8 citations73
US7560000B2Jul 14, 2009
Titanium alloy part and method for producing the same
YAMAHA MOTOR CO LTD3 citations63
US5743222AApr 28, 1998
Valve lifter
YAMAHA MOTOR CO LTD3 citations62
US7781110B2Aug 24, 2010
Fuel cell system and transport equipment including the same
YAMAHA MOTOR CO LTD1 citations50