Inventor
AKIYAMA TERUO
JP43 patents
⚠️ This page may combine multiple inventors who share the name “AKIYAMA TERUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOMATSU MFG CO LTD
27 patentsUS5209063AMay 11, 1993
Hydraulic circuit utilizing a compensator pressure selecting value
KOMATSU MFG CO LTD55 citations96
US4813518AMar 21, 1989
Brake release mechanism
KOMATSU MFG CO LTD36 citations93
US4495767AJan 29, 1985
Anticavitation control system for a hydrostatic transmission
KOMATSU MFG CO LTD34 citations93
US6311488B1Nov 6, 2001
Cooling fan drive apparatus
KOMATSU MFG CO LTD46 citations92
US5535663AJul 16, 1996
Operating valve assembly with pressure compensation valve
KOMATSU MFG CO LTD29 citations92
US5481872AJan 9, 1996
Hydraulic circuit for operating plural actuators and its pressure compensating valve and maximum load pressure detector
KOMATSU MFG CO LTD50 citations92
US5279122AJan 18, 1994
Hydraulic circuit apparatus for supplying fluid under pressure into hydraulic cylinders for work implement
KOMATSU MFG CO LTD21 citations92
US5273069ADec 28, 1993
Operation valve with pressure compensation valve
KOMATSU MFG CO LTD30 citations92
US5271227ADec 21, 1993
Hydraulic apparatus with pressure compensating valves
KOMATSU MFG CO LTD31 citations92
US5259192ANov 9, 1993
Hydraulic circuit system
KOMATSU MFG CO LTD22 citations92
US4600364AJul 15, 1986
Fluid operated pump displacement control system
KOMATSU MFG CO LTD58 citations91
US5398507AMar 21, 1995
Hydraulic circuit system
KOMATSU MFG CO LTD20 citations90
US4637781AJan 20, 1987
Torque regulating system for fluid operated pump displacement control systems
KOMATSU MFG CO LTD28 citations89
US4498847AFeb 12, 1985
Control system for variable displacement hydraulic pumps
KOMATSU MFG CO LTD20 citations82
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
US5409038AApr 25, 1995
Hydraulic circuit including pressure compensating valve
KOMATSU MFG CO LTD7 citations74
US9695842B2Jul 4, 2017
Hydraulic drive system
KOMATSU MFG CO LTD3 citations73
US5666808ASep 16, 1997
Operating valve assembly with pressure compensation valve
KOMATSU MFG CO LTD11 citations73
US5212950AMay 25, 1993
Hydraulic circuit with pilot pressure controlled bypass
KOMATSU MFG CO LTD10 citations73
US10344781B2Jul 9, 2019
Control system, work machine, and control method
KOMATSU MFG CO LTD2 citations72
US10385545B2Aug 20, 2019
Control system, work machine, and control method
KOMATSU MFG CO LTD4 citations71
US5291821AMar 8, 1994
Hydraulic circuit for swivel working machine
KOMATSU MFG CO LTD8 citations66
US10604913B2Mar 31, 2020
Control system, work machine, and control method
KOMATSU MFG CO LTD1 citations61
US10017917B2Jul 10, 2018
Drive device of construction machine
KOMATSU MFG CO LTD1 citations52
US9845814B2Dec 19, 2017
Hydraulic drive system
KOMATSU MFG CO LTD1 citations51
US10407865B2Sep 10, 2019
Control system, work machine, and control method
KOMATSU MFG CO LTD0 citations40
AKIYAMA TERUO
8 patentsUS9790966B2Oct 17, 2017
Hydraulic drive system
AKIYAMA TERUO10 citations84
US9683585B2Jun 20, 2017
Hydraulic drive system
AKIYAMA TERUO9 citations84
US9022749B2May 5, 2015
Swing drive controlling system for construction machine
AKIYAMA TERUO13 citations82
US9810246B2Nov 7, 2017
Hydraulic drive system
AKIYAMA TERUO3 citations73
US9709076B2Jul 18, 2017
Hydraulic drive system
AKIYAMA TERUO5 citations71
US8640451B2Feb 4, 2014
Engine control device, and its control method
AKIYAMA TERUO4 citations71
US9328480B2May 3, 2016
Hydraulic excavator
AKIYAMA TERUO2 citations61
US9002590B2Apr 7, 2015
Engine control device and engine control method
AKIYAMA TERUO2 citations60
NIPPON OXYGEN CO LTD
4 patentsUS4309385AJan 5, 1982
Apparatus for measuring volatile hydrides
NIPPON OXYGEN CO LTD7 citations70
US5158746AOct 27, 1992
Apparatus for quantifying oxygen
NIPPON OXYGEN CO LTD2 citations63
US5021352AJun 4, 1991
Method for quantifying oxygen
NIPPON OXYGEN CO LTD2 citations63
US4447543AMay 8, 1984
Method for measuring volatile hydrides
NIPPON OXYGEN CO LTD3 citations59