Inventor
TAKEDA KATSUMI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “TAKEDA KATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
12 patentsUS5307495AApr 26, 1994
Multiprocessor system statically dividing processors into groups allowing processor of selected group to send task requests only to processors of selected group
HITACHI LTD113 citations97
US5446841AAug 29, 1995
Multi-processor system having shared memory for storing the communication information used in communicating between processors
HITACHI LTD73 citations93
US5581721ADec 3, 1996
Data processing unit which can access more registers than the registers indicated by the register fields in an instruction
HITACHI LTD33 citations92
US5341484AAug 23, 1994
Virtual machine system having an extended storage
HITACHI LTD21 citations90
US5729723AMar 17, 1998
Data processing unit
HITACHI LTD19 citations84
US5077716ADec 31, 1991
Optical recording and reproducing system having an accurate high-speed optical head positioning apparatus
HITACHI LTD21 citations82
US5323273AJun 21, 1994
Audio signal recording and playback apparatus of magnetic recording and playback apparatus
HITACHI LTD7 citations74
US5070444ADec 3, 1991
Storage system
HITACHI LTD13 citations74
US4949244AAug 14, 1990
Storage system
HITACHI LTD14 citations74
US5499145AMar 12, 1996
Magnetic recording apparatus with capability of recording signals of a plurality of different television systems
HITACHI LTD14 citations73
US5144609ASep 1, 1992
Apparatus for tracking an optical disc
HITACHI LTD4 citations63
US5696792ADec 9, 1997
Digital radiocommunication terminal
HITACHI LTD6 citations62