Inventor
ZAMA HIDEO
JP12 patents
Patents
12 patentsUS6339676B1Jan 15, 2002
Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing
HITACHI LTD20 citations92
US4021798AMay 3, 1977
Liquid crystal display panel and method for driving the same
HITACHI LTD27 citations76
US6104862AAug 15, 2000
Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing
HITACHI LTD13 citations74
US4803338AFeb 7, 1989
Magnetic head having improved track width narrowing grooves
HITACHI LTD14 citations73
US4439794AMar 27, 1984
Magnetic head
HITACHI LTD16 citations73
US5363263ANov 8, 1994
Coil assembly for rotary magnetic head apparatus
HITACHI LTD12 citations72
US5126906AJun 30, 1992
Rotary magnetic head device with rotary transformer having high coupling coefficient
HITACHI LTD10 citations72
US5057944AOct 15, 1991
Multiplex rotating magnetic head system for multiply recording and erasing audio and video signals
HITACHI LTD8 citations71
US6195499B1Feb 27, 2001
Magnetic recording and/or reproducing apparatus
HITACHI LTD3 citations62
US5193045AMar 9, 1993
Helical scan type magnetic recording and/or reproducing apparatus having combination type video head and flying erase head for low vibration
HITACHI LTD2 citations61
US5047885ASep 10, 1991
Magnetic head formed of thin metal film including a chevron shape
HITACHI LTD4 citations54
US5067038ANov 19, 1991
Rotary magnetic head device having two different kinds of heads
HITACHI LTD1 citations48