Inventor
NAKAMIKAWA TETSUAKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMIKAWA TETSUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS6631447B1Oct 7, 2003
Multiprocessor system having controller for controlling the number of processors for which cache coherency must be guaranteed
HITACHI LTD215 citations97
US5748873AMay 5, 1998
Fault recovering system provided in highly reliable computer system having duplicated processors
HITACHI LTD82 citations95
US5293558AMar 8, 1994
Multiplication, division and square root extraction apparatus
HITACHI LTD51 citations95
US7272665B2Sep 18, 2007
Modular computer system and I/O module
HITACHI LTD34 citations92
US5841963ANov 24, 1998
Dual information processing system having a plurality of data transfer channels
HITACHI LTD51 citations91
US6003116ADec 14, 1999
Multiplexed computer system with the capability to copy data from one processor memory to another
HITACHI LTD32 citations90
US5956263ASep 21, 1999
Multiplication, division and square root extraction apparatus
HITACHI LTD16 citations81
US6782202B2Aug 24, 2004
Optical communication method, optical linking device and optical communication system
HITACHI LTD6 citations73
US6249363B1Jun 19, 2001
Optical communication method, optical linking device and optical communication system
HITACHI LTD9 citations73
US5631858AMay 20, 1997
System for obtaining strict solution in accordance with accuracy of approximate solutions
HITACHI LTD6 citations73
US6453391B2Sep 17, 2002
Multiplexed computer system
HITACHI LTD7 citations71
US7558483B2Jul 7, 2009
Optical communication method, optical linking device and optical communication system
HITACHI LTD0 citations52
US7941567B2May 10, 2011
Modular computer system and I/O module
HITACHI LTD0 citations51
US5699541ADec 16, 1997
Memory system using schottky diodes to reduce load capacitance
HITACHI LTD1 citations51