Inventor

MARUYAMA TERUO

JP74 patents

⚠️ This page may combine multiple inventors who share the name “MARUYAMA TERUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

46 patents

US5836746ANov 17, 1998

Vacuum pump having lubrication and cooling systems

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD80 citations96

US5709537AJan 20, 1998

Evacuating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD60 citations96

US5553742ASep 10, 1996

Fluid feed apparatus and method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD68 citations96

US5295798AMar 22, 1994

Fluid rotating apparatus with rotor communicating path

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD60 citations96

US5197861AMar 30, 1993

Fluid rotating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD70 citations96

US4883367ANov 28, 1989

Bearing unit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD64 citations96

US4797011AJan 10, 1989

Solid lubricant bearing

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD62 citations96

US7323960B2Jan 29, 2008

Electromagnetostrictive actuator

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations93

US6679685B2Jan 20, 2004

Method and device for discharging viscous fluids

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations93

US6565333B2May 20, 2003

Fluid discharge apparatus and fluid discharge method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations93

US6558127B2May 6, 2003

Fluid discharge device and fluid discharge method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD47 citations93

US5674051AOct 7, 1997

Positive displacement pump having synchronously rotated non-circular rotors

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations93

US5533887AJul 9, 1996

Fluid rotary apparatus having tapered rotors

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations93

US4408966AOct 11, 1983

Pump for supplying liquid fuel

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations93

US4346946AAug 31, 1982

Rotary device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations93

US4332428AJun 1, 1982

Rotary mechanism with axial bearings

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations93

US6194800B1Feb 27, 2001

Magnetic bearing

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations92

US5782609AJul 21, 1998

Vacuum pump having different diameter rotors and a drive motor synchronization system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92

US5564907AOct 15, 1996

Evacuating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92

US5478210ADec 26, 1995

Multi-stage vacuum pump

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92

US5417551AMay 23, 1995

Housing arrangement for a synchronous plural motor fluid rotary apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92

US5393201AFeb 28, 1995

Synchronous rotating apparatus for rotating a plurality of shafts

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92

US5348448ASep 20, 1994

Fluid rotating apparatus with plural drive motor synchronization system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations92

US5329216AJul 12, 1994

Multi-shaft driving apparatus and fluid rotary apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD49 citations92

US5271719ADec 21, 1993

Fluid rotating apparatus and method of controlling the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD47 citations92

US4969797ANov 13, 1990

Fan motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations92

US4925321AMay 15, 1990

Dynamic pressure air bearing unit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations92

US4580949AApr 8, 1986

Sliding vane type rotary compressor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD52 citations92

US4562756AJan 7, 1986

Numerical control screw tightening machine

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations92

US7131555B2Nov 7, 2006

Method and device for discharging fluid

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations91

US4486158ADec 4, 1984

Rotary vane compressor with suction port adjustment

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations91

US4815944AMar 28, 1989

Variable capacity compressor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations89

US5352097AOct 4, 1994

Vacuum pump

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations82

US4407639AOct 4, 1983

Compressor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations82

US4402653ASep 6, 1983

Rotary compressor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations81

US4392168AJul 5, 1983

Rotary head assembly

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations80

US7059538B2Jun 13, 2006

Method and apparatus of applying fluid

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74

US6770320B2Aug 3, 2004

Apparatus and method for applying fluid

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74

US5951266ASep 14, 1999

Evacuating apparatus having interengaging rotors with threads having a decreasing pitch at the exhaust side

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74

US5449276ASep 12, 1995

Two stage vacuum pump having different diameter interengaging rotors

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74

US5445502AAug 29, 1995

Vacuum pump having parallel kinetic pump inlet section

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74

US5374173ADec 20, 1994

Fluid rotating apparatus with sealing arrangement

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74

US5354179AOct 11, 1994

Fluid rotating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations74

US5314312AMay 24, 1994

Fluid-rotating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations74

US5302089AApr 12, 1994

Fluid rotating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations74

US4781103ANov 1, 1988

Fluid servomechanism

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74

AISIN SEIKI

2 patents

US6610435B1Aug 26, 2003

Fuel cell with reduced gas leakage

AISIN SEIKI70 citations96

US4366891AJan 4, 1983

Push rod assembly for a clutch master cylinder

AISIN SEIKI20 citations82

MATSUSHITA IND CO LTD

1 patent

US5367997ANov 29, 1994

Throttle actuator

MATSUSHITA IND CO LTD32 citations89

MARUYAMA TERUO

1 patent

US8833511B2Sep 16, 2014

Insulator for audio and method for evaluating same

MARUYAMA TERUO8 citations80

Showing the top 50 of 74 patents by PatentIndex Score.