Inventor
KAWAWADA NAOKI
JP16 patents
Patents
16 patentsUS6384503B1May 7, 2002
Motor
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US6307291B1Oct 23, 2001
Hydraulic dynamic bearing and spindle motor and rotary assembly provided
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US6371650B1Apr 16, 2002
Hydraulic dynamic bearing and spindle motor and rotary assembly provided
SEIKO INSTR INC52 citations92
US6176618B1Jan 23, 2001
Dynamic pressure bearing, spindle motor using dynamic pressure bearing, and rotary device having the spindle motor as driving source
SEIKO INSTR INC38 citations92
US6252322B1Jun 26, 2001
Spindle motor
SEIKO INSTR INC44 citations91
US6354742B1Mar 12, 2002
Hydraulic dynamic bearing and spindle motor
SEIKO INSTR INC15 citations83
US6247848B1Jun 19, 2001
Hydraulic dynamic bearing and spindle motor utilizing hydraulic dynamic bearing
SEIKO INSTR INC15 citations83
US6040648AMar 21, 2000
Spindle motor and rotator device
SEIKO INSTR INC19 citations83
US4884859ADec 5, 1989
Optical attenuator and manufacturing method for making same
SEIKO INSTR INC22 citations82
US6371649B1Apr 16, 2002
Method for lubricating a fluid dynamic pressure bearing
SEIKO INSTR INC10 citations72
US5467120ANov 14, 1995
Thermal transfer recording method and apparatus of both sublimation type and fusion type
SEIKO INSTR INC15 citations72
US6246139B1Jun 12, 2001
Spindle motor and method of formation
SEIKO INSTR INC6 citations62
US5078463AJan 7, 1992
Laser beam scanning device
SEIKO INSTR INC5 citations62
US7709981B2May 4, 2010
Stator, motor and record medium drive apparatus and method of fabricating stator
SEIKO INSTR INC2 citations61
US5793402AAug 11, 1998
Thermal transfer recording method and apparatus of both sublimation type and fusion type
SEIKO INSTR INC1 citations51
US6116708ASep 12, 2000
Recording systems and recording units employed in the recording systems
SEIKO INSTR INC0 citations48