Inventor
TACHIUCHI TSUGUJI
JP17 patents
Patents
17 patentsUS4808991AFeb 28, 1989
Method and apparatus for liquid crystal display with intermediate tone
HITACHI LTD73 citations96
US5812859ASep 22, 1998
Information processing apparatus with work suspend/resume function
HITACHI LTD22 citations92
US4855728AAug 8, 1989
Method and apparatus for converting display data form
HITACHI LTD37 citations92
US5867148AFeb 2, 1999
Space-saving information processing apparatus
HITACHI LTD42 citations91
US5511201AApr 23, 1996
Data processing apparatus, power supply controller and display unit
HITACHI LTD34 citations91
US4388621AJun 14, 1983
Drive circuit for character and graphic display device
HITACHI LTD21 citations82
US4408197AOct 4, 1983
Pattern display apparatus
HITACHI LTD21 citations81
US4473879ASep 25, 1984
Data transfer system in which time for transfer of data to a memory is matched to time required to store data in memory
HITACHI LTD19 citations74
US5414571AMay 9, 1995
Adaptive equalization circuit for magnetic recording apparatus having high error immunity
HITACHI LTD18 citations73
US4839739AJun 13, 1989
Image signal binary circuit with a variable-frequency clock signal generator for driving an image sensor
HITACHI LTD13 citations73
US4628482ADec 9, 1986
Common memory control system with two bus masters
HITACHI LTD11 citations73
US4404552ASep 13, 1983
Display device for both a character display and a graphic display
HITACHI LTD13 citations73
US4298931ANov 3, 1981
Character pattern display system
HITACHI LTD19 citations73
US4368461AJan 11, 1983
Digital data processing device
HITACHI LTD18 citations71
US4417318ANov 22, 1983
Arrangement for control of the operation of a random access memory in a data processing system
HITACHI LTD7 citations70
USRE38661ENov 30, 2004
Method and apparatus for liquid crystal display with intermediate tone
HITACHI LTD2 citations63
US4388707AJun 14, 1983
Memory selecting system
HITACHI LTD3 citations58