Inventor
MARUYAMA JUN
JP36 patents
⚠️ This page may combine multiple inventors who share the name “MARUYAMA JUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOMATSU MFG CO LTD
17 patentsUS5372060ADec 13, 1994
Hydraulic valve assembly
KOMATSU MFG CO LTD23 citations93
US5271430ADec 21, 1993
Flow rate control valve device and flow force reduction structure
KOMATSU MFG CO LTD29 citations93
US7513690B2Apr 7, 2009
Bearing seal and swing device
KOMATSU MFG CO LTD15 citations92
US6578296B2Jun 17, 2003
Hydraulically driven type working machine
KOMATSU MFG CO LTD27 citations92
US5558127ASep 24, 1996
Hydraulic pilot valve
KOMATSU MFG CO LTD21 citations89
US5251660AOct 12, 1993
Hydraulic pilot valve unit
KOMATSU MFG CO LTD26 citations86
US5622206AApr 22, 1997
Multiple valve unit for pressurized fluid supply system
KOMATSU MFG CO LTD17 citations81
US5533334AJul 9, 1996
Pressurized fluid supply system
KOMATSU MFG CO LTD16 citations81
US7914209B2Mar 29, 2011
Bearing seal and swing device
KOMATSU MFG CO LTD6 citations73
US5184646AFeb 9, 1993
Pilot valve
KOMATSU MFG CO LTD18 citations73
US5174328ADec 29, 1992
Pressure control valve
KOMATSU MFG CO LTD8 citations71
US5467688ANov 21, 1995
Operating valve device
KOMATSU MFG CO LTD4 citations63
US7748907B2Jul 6, 2010
Bearing seal and swing device
KOMATSU MFG CO LTD2 citations62
US5983942ANov 16, 1999
Damper of hydraulic pilot valve
KOMATSU MFG CO LTD2 citations62
US5845680ADec 8, 1998
Damper of hydraulic pilot valve
KOMATSU MFG CO LTD3 citations62
US5862665AJan 26, 1999
Apparatus for preventing reverse rotation for hydraulic actuator
KOMATSU MFG CO LTD4 citations60
US5819800AOct 13, 1998
Hydraulic pilot valve
KOMATSU MFG CO LTD4 citations60
MITSUBISHI PAPER MILLS LTD
5 patentsUS6596669B1Jul 22, 2003
Reversible two-color heat-sensitive recording material and recording method
MITSUBISHI PAPER MILLS LTD33 citations92
US5817599AOct 6, 1998
Reversible heat sensitive recording material
MITSUBISHI PAPER MILLS LTD22 citations89
US5498772AMar 12, 1996
Reversible heat-sensitive recording material
MITSUBISHI PAPER MILLS LTD14 citations71
US6184180B1Feb 6, 2001
Reversible heat-sensitive recording material
MITSUBISHI PAPER MILLS LTD5 citations62
US6291117B1Sep 18, 2001
Reversible heat-sensitive recording material
MITSUBISHI PAPER MILLS LTD5 citations57