Inventor
HASHIMOTO ICHIRO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “HASHIMOTO ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS5541462AJul 30, 1996
Rotary body bearing apparatus, motor and polygon mirror motor
HITACHI LTD25 citations92
US5574322ANov 12, 1996
Motor, a printer having such a motor and a disk drive system having such a motor
HITACHI LTD46 citations91
US5239218AAug 24, 1993
Step motor and method for recording position signal of motor rotor
HITACHI LTD38 citations91
US5469008ANov 21, 1995
Motor with a bearing lubricated by magnetic fluid
HITACHI LTD24 citations87
US4890024ADec 26, 1989
Low-speed high-torque motor
HITACHI LTD18 citations73
US4998034AMar 5, 1991
Low speed high torque motor with production method
HITACHI LTD15 citations72
SHOWA ALUMINIUM CO LTD
4 patentsUS5033344AJul 23, 1991
Pipe cutting apparatus
SHOWA ALUMINIUM CO LTD52 citations89
US5060500AOct 29, 1991
Apparatus for automatically forming a pointed end of raw pipe to be drawn
SHOWA ALUMINIUM CO LTD7 citations71
US5069095ADec 3, 1991
Pipe centering apparatus
SHOWA ALUMINIUM CO LTD5 citations60
US5069055ADec 3, 1991
Automatic plug-inserting apparatus in a pipe-drawing equipment
SHOWA ALUMINIUM CO LTD2 citations58
SONY CORP
4 patentsUS7420758B2Sep 2, 2008
Head system, recording and reproduction system, and magnetic recording method
SONY CORP13 citations81
US6515833B1Feb 4, 2003
Rotating drum assembly and magnetic recording/reproducing apparatus having a tape-contact piece
SONY CORP12 citations73
US6771471B2Aug 3, 2004
Rotary head drum apparatus and magnetic recording and playback apparatus
SONY CORP0 citations50
US6751057B2Jun 15, 2004
Magnetic recording/reproducing apparatus and rotary head drum device
SONY CORP0 citations49