Inventor
OSAKA HIDEKI
JP59 patents
⚠️ This page may combine multiple inventors who share the name “OSAKA HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
31 patentsUS6125419ASep 26, 2000
Bus system, printed circuit board, signal transmission line, series circuit and memory module
HITACHI LTD228 citations99
US6034878AMar 7, 2000
Source-clock-synchronized memory system and memory unit
HITACHI LTD537 citations99
US5774656AJun 30, 1998
Information processing system and method and service supplying method for use within a network
HITACHI LTD103 citations99
US5638402AJun 10, 1997
Fast data transfer bus
HITACHI LTD179 citations99
US6438012B1Aug 20, 2002
Directional coupling memory module
HITACHI LTD82 citations98
US6094674AJul 25, 2000
Information processing system and information processing method and quality of service supplying method for use with the system
HITACHI LTD80 citations97
US8049303B2Nov 1, 2011
Semiconductor device with power noise suppression
HITACHI LTD24 citations93
US7448880B2Nov 11, 2008
Multilayer printed circuit board for high-speed differential signal, communication apparatus, and data storage apparatus
HITACHI LTD49 citations93
US6519640B2Feb 11, 2003
Accessible network of performance index tables
HITACHI LTD22 citations93
US5787261AJul 28, 1998
Data transfer system, computer system and active-line inserted/withdrawn functional circuit board
HITACHI LTD21 citations93
US6978328B1Dec 20, 2005
Bus system, memory system, printed circuit board and directional coupler
HITACHI LTD49 citations92
US6654270B2Nov 25, 2003
Directional coupling memory module
HITACHI LTD34 citations92
US6600790B1Jul 29, 2003
Gap-coupling bus system
HITACHI LTD21 citations92
US6496886B1Dec 17, 2002
Directional coupling bus system using printed board
HITACHI LTD40 citations92
US5821767AOct 13, 1998
Information processing apparatus and backboard having on backboard side matching resistors suited to modules connected thereto
HITACHI LTD38 citations92
US5462442AOct 31, 1995
Module for information processing apparatus using stacked printed circuit boards and connector for stacking printed circuit boards
HITACHI LTD23 citations92
US6108731AAug 22, 2000
Information processor and method of its component arrangement
HITACHI LTD83 citations91
US7957150B2Jun 7, 2011
Support method and apparatus for printed circuit board
HITACHI LTD7 citations84
US7505285B2Mar 17, 2009
Main board for backplane buses
HITACHI LTD16 citations84
US6985111B2Jan 10, 2006
Printed circuit board and wireless communication apparatus
HITACHI LTD12 citations84
US6766404B1Jul 20, 2004
Branch bus system for inter-LSI data transmission
HITACHI LTD16 citations84
US9569144B2Feb 14, 2017
DRAM with SDRAM interface, and hybrid flash memory module
HITACHI LTD11 citations83
US6370577B1Apr 9, 2002
Information processing system having a network and a directory which may be referenced to supply information to an apparatus
HITACHI LTD10 citations82
US6868446B2Mar 15, 2005
Data processing apparatus and network system that outputs quality of service information to a user
HITACHI LTD4 citations74
US5754802AMay 19, 1998
Increasing data transfer efficiency for a read operation in a non-split transaction bus environment by substituting a write operation for the read operation
HITACHI LTD10 citations74
US9933475B2Apr 3, 2018
Semiconductor device and multi-chip module
HITACHI LTD3 citations73
US8355258B2Jan 15, 2013
Support method and apparatus for printed circuit board
HITACHI LTD2 citations63
US7990228B2Aug 2, 2011
Semiconductor device and wiring part thereof
HITACHI LTD4 citations63
US7447708B2Nov 4, 2008
Data processing apparatus and network system that outputs quality of service information to a user
HITACHI LTD1 citations63
US6441638B2Aug 27, 2002
Bus system and circuit board
HITACHI LTD6 citations63
US7986037B2Jul 26, 2011
Low noise semiconductor device
HITACHI LTD1 citations52
ELPIDA MEMORY INC
10 patentsUS7095661B2Aug 22, 2006
Semiconductor memory module, memory system, circuit, semiconductor device, and DIMM
ELPIDA MEMORY INC41 citations93
US7257725B2Aug 14, 2007
Memory system
ELPIDA MEMORY INC24 citations92
US7558336B2Jul 7, 2009
Semiconductor device, memory device and memory module having digital interface
ELPIDA MEMORY INC8 citations84
US7447038B2Nov 4, 2008
Module
ELPIDA MEMORY INC10 citations84
US7187069B2Mar 6, 2007
Semiconductor device
ELPIDA MEMORY INC15 citations84
US7768867B2Aug 3, 2010
Stacked semiconductor device
ELPIDA MEMORY INC8 citations83
US7852145B2Dec 14, 2010
Semiconductor device having power supply system
ELPIDA MEMORY INC7 citations70
US7760531B2Jul 20, 2010
Semiconductor module
ELPIDA MEMORY INC2 citations63
US7319267B2Jan 15, 2008
Semiconductor device
ELPIDA MEMORY INC2 citations63
US7856072B2Dec 21, 2010
Semiconductor device, memory device and memory module having digital interface
ELPIDA MEMORY INC0 citations52
RENESAS TECH CORP
4 patentsUS6983023B2Jan 3, 2006
Data transmission system of directional coupling type using forward wave and reflection wave
RENESAS TECH CORP16 citations84
US6924651B2Aug 2, 2005
Printed board inspecting apparatus
RENESAS TECH CORP16 citations83
US6829749B2Dec 7, 2004
Design support apparatus for circuit including directional coupler, design support tool, method of designing circuit, and circuit board
RENESAS TECH CORP13 citations83
US7475179B2Jan 6, 2009
Equal-amplitude signaling directional coupling bus
RENESAS TECH CORP6 citations63
HITACHI LTD INTELLECTUAL PROPE
1 patentTONEN CORP
1 patentRENESAS ELECTRONICS CORP
1 patentSUZUKI EIICHI
1 patentHITACHI AUTOMOTIVE SYSTEMS LTD
1 patentShowing the top 50 of 59 patents by PatentIndex Score.