Inventor
HIRAYAMA KUNIAKI
JP7 patents
Patents
7 patentsUS5637945AJun 10, 1997
Brushless motor
HITACHI LTD49 citations90
US6108165AAug 22, 2000
Rotary drum equipment and recording/reproducing equipment using the same
HITACHI LTD17 citations81
US5978185ANov 2, 1999
Rotary head and recording/reading apparatus provided with rotary head
HITACHI LTD8 citations71
US6195499B1Feb 27, 2001
Magnetic recording and/or reproducing apparatus
HITACHI LTD3 citations62
US4882833ANov 28, 1989
Method and apparatus for mounting coils inside a hollow cylindrical article
HITACHI LTD3 citations60
US5661622AAug 26, 1997
Rotary magnetic head cylinder device for reduced vibration and proper head/type alignment
HITACHI LTD3 citations58
US5734537AMar 31, 1998
Tape guide structure of rotary head drum in recording/reproduction apparatus and method of machining the same
HITACHI LTD1 citations51