P

Inventor

ISHIZUKA YUTAKA

JP48 patents
⚠️ This page may combine multiple inventors who share the name “ISHIZUKA YUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DIESEL KIKI CO

26 patents
US4244680AJan 13, 1981

Rotary vane compressor with oil separating means

DIESEL KIKI CO41 citations93
US4480973ANov 6, 1984

Vane compressor provided with endless camming surface minimizing torque fluctuations

DIESEL KIKI CO24 citations82
US3995976ADec 7, 1976

Rotary device with axially biased blade and rotor sections

DIESEL KIKI CO20 citations82
US4968160ANov 6, 1990

Cooling device for printer head

DIESEL KIKI CO13 citations74
US4668172AMay 26, 1987

Compressor having discharge valve means adapted to enhance the coefficient of performance of the compressor

DIESEL KIKI CO16 citations74
US4636153AJan 13, 1987

Rotary compressor with blind hole in end wall that aligns with back pressure chamber

DIESEL KIKI CO12 citations74
US4502854AMar 5, 1985

Vane compressor having rearwardly located suction connector and discharge connector

DIESEL KIKI CO7 citations74
US4501537AFeb 26, 1985

Vane compressor having an endless camming surface minimizing torque fluctuations

DIESEL KIKI CO16 citations74
US4480965ANov 6, 1984

Capacity modulation device for compressor

DIESEL KIKI CO17 citations74
US4416190ANov 22, 1983

Seal for compressor

DIESEL KIKI CO19 citations74
US4401414AAug 30, 1983

Swash-plate type compressor having a simple lubricant oil feeding arrangement

DIESEL KIKI CO12 citations74
US4379425AApr 12, 1983

Double-acting piston for swash-plate type compressors

DIESEL KIKI CO17 citations74
US4253809AMar 3, 1981

Vane compressor with rotor having metallic base and vane slots and a periphery of lower specific gravity

DIESEL KIKI CO11 citations74
US4174931ANov 20, 1979

Vane for rotary compressor

DIESEL KIKI CO17 citations74
US4144002AMar 13, 1979

Rotary compressor

DIESEL KIKI CO18 citations74
US4571164AFeb 18, 1986

Vane compressor with vane back pressure adjustment

DIESEL KIKI CO12 citations73
US4805418AFeb 21, 1989

Indoor unit for room air conditioners

DIESEL KIKI CO10 citations72
US4810177AMar 7, 1989

Vane compressor with vane back pressure adjustment

DIESEL KIKI CO11 citations70
US4815362AMar 28, 1989

Diffuser unit for air conditioning system

DIESEL KIKI CO14 citations69
US4511313AApr 16, 1985

Compression capacity control apparatus for swash plate compressor

DIESEL KIKI CO3 citations63
US4394110AJul 19, 1983

Swash-plate type compressor

DIESEL KIKI CO2 citations63
US4392416AJul 12, 1983

Swash-plate type compressor having low noise thrust bearings

DIESEL KIKI CO3 citations63
US4717321AJan 5, 1988

Vane compressor with vane back pressure adjustment

DIESEL KIKI CO3 citations62
US4611977ASep 16, 1986

Vane compressor with vane back pressure adjustment

DIESEL KIKI CO2 citations62
US4828019AMay 9, 1989

Indoor unit for room air conditioners and air conditioning system using the same

DIESEL KIKI CO3 citations61
US4549855AOct 29, 1985

Compression capacity control apparatus for swash plate compressor

DIESEL KIKI CO1 citations52

SANKYO SEIKI SEISAKUSHO KK

14 patents
US5744881AApr 28, 1998

Spindle motor, and its rotor yoke manufacturing method

SANKYO SEIKI SEISAKUSHO KK27 citations92
US6087749AJul 11, 2000

Rotary polygonal mirror driving apparatus

SANKYO SEIKI SEISAKUSHO KK16 citations84
US6188155B1Feb 13, 2001

Spindle motor

SANKYO SEIKI SEISAKUSHO KK15 citations79
US6172439B1Jan 9, 2001

Motor rotor using a cylindrical yoke with slit

SANKYO SEIKI SEISAKUSHO KK11 citations74
US5653541AAug 5, 1997

Disk driving motor

SANKYO SEIKI SEISAKUSHO KK10 citations74
US5638233AJun 10, 1997

Magnetic disk drive motor having a fixed shaft with circumferential grooves for integrating the bearing therewith and having a disc abutting the outer ring of the bearing

SANKYO SEIKI SEISAKUSHO KK16 citations74
US5471357ANov 28, 1995

Magnetic disk drive device having a liquid insulating material provided in different thicknesses on an iron core

SANKYO SEIKI SEISAKUSHO KK10 citations74
US5877918AMar 2, 1999

Disk driving device with hub flange secured between yoke and drive magnet

SANKYO SEIKI SEISAKUSHO KK14 citations73
US5686771ANov 11, 1997

Electric motor

SANKYO SEIKI SEISAKUSHO KK17 citations73
US5666219ASep 9, 1997

Rotary polygon mirror type light deflecting system

SANKYO SEIKI SEISAKUSHO KK9 citations73
US5945752AAug 31, 1999

Shaft-fixed-type motor

SANKYO SEIKI SEISAKUSHO KK6 citations63
US5675430AOct 7, 1997

Rotary polygon mirror

SANKYO SEIKI SEISAKUSHO KK3 citations63
US5636084AJun 3, 1997

Magnetic disk drive motor including a fixed shaft having mounted thereon a ball bearing with a rotor fixed at one end thereof and having a disc abutting the outer ring of the bearing

SANKYO SEIKI SEISAKUSHO KK3 citations63
US5661588AAug 26, 1997

Rotary polygon mirror type light deflecting system

SANKYO SEIKI SEISAKUSHO KK5 citations62

TOSHIBA CERAMICS CO

2 patents

BOSCH GMBH ROBERT

2 patents

SANYO SEIKI SEISAKUSHO KK

1 patent

SANKYO SEIKI SISAKUSHO KK

1 patent

SANKYO SEIKI SEISA KUSHO KK

1 patent

ODAWARA ENGINEERING CO LTD

1 patent