Inventor
TSUCHIYA OSAMU
JP90 patents
⚠️ This page may combine multiple inventors who share the name “TSUCHIYA OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
30 patentsUS6683811B2Jan 27, 2004
Nonvolatile memory system, semiconductor memory, and writing method
HITACHI LTD83 citations99
US6567311B2May 20, 2003
Nonvolatile memory system, semiconductor memory, and writing method
HITACHI LTD81 citations99
US6157573ADec 5, 2000
Nonvolatile memory system, semiconductor memory, and writing method
HITACHI LTD90 citations99
US5982668ANov 9, 1999
Nonvolatile memory system, semiconductor memory and writing method
HITACHI LTD92 citations99
US5867428AFeb 2, 1999
Nonvolatile memory system semiconductor memory and writing method
HITACHI LTD98 citations99
US5629898AMay 13, 1997
Dynamic memory device, a memory module, and a method of refreshing a dynamic memory device
HITACHI LTD142 citations98
US6452838B1Sep 17, 2002
Nonvolatile memory system, semiconductor memory and writing method
HITACHI LTD62 citations97
US6385092B1May 7, 2002
Nonvolatile memory system, semiconductor memory, and writing method
HITACHI LTD61 citations97
US6023425AFeb 8, 2000
Nonvolatile memory system, semiconductor memory, and writing method
HITACHI LTD80 citations97
US6130841AOct 10, 2000
Semiconductor nonvolatile memory apparatus and computer system using the same
HITACHI LTD43 citations96
US6009016ADec 28, 1999
Nonvolatile memory system semiconductor memory and writing method
HITACHI LTD71 citations96
US5978270ANov 2, 1999
Semiconductor non-volatile memory device and computer system using the same
HITACHI LTD57 citations96
US5780882AJul 14, 1998
Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same
HITACHI LTD33 citations96
US5331191AJul 19, 1994
Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same
HITACHI LTD24 citations96
US5202275AApr 13, 1993
Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same
HITACHI LTD43 citations96
US4937645AJun 26, 1990
Semiconductor device and a method of manufacturing the same
HITACHI LTD58 citations96
US4734384AMar 29, 1988
Process for manufacturing semiconductor memory device
HITACHI LTD61 citations96
US6442070B1Aug 27, 2002
Semiconductor nonvolatile memory apparatus and computer system using the same
HITACHI LTD17 citations93
US4967396AOct 30, 1990
Semiconductor integrated circuit device
HITACHI LTD28 citations93
US5025741AJun 25, 1991
Method of making semiconductor integrated circuit device with polysilicon contacts
HITACHI LTD33 citations92
US4782037ANov 1, 1988
Process of fabricating a semiconductor insulated circuit device having a phosphosilicate glass insulating film
HITACHI LTD49 citations90
US6238961B1May 29, 2001
Semiconductor integrated circuit device and process for manufacturing the same
HITACHI LTD17 citations84
US6548847B2Apr 15, 2003
Semiconductor integrated circuit device having a first wiring strip exposed through a connecting hole, a transition-metal film in the connecting hole and an aluminum wiring strip thereover, and a transition-metal nitride film between the aluminum wiring strip and the transition-metal film
HITACHI LTD12 citations82
US6342412B1Jan 29, 2002
Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same
HITACHI LTD8 citations82
US6169324B1Jan 2, 2001
Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same
HITACHI LTD13 citations82
US6127255AOct 3, 2000
Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same
HITACHI LTD8 citations82
US5811316ASep 22, 1998
Method of forming teos oxide and silicon nitride passivation layer on aluminum wiring
HITACHI LTD8 citations82
US5739589AApr 14, 1998
Semiconductor integrated circuit device process for fabricating the same and apparatus for fabricating the same
HITACHI LTD13 citations82
US4922313AMay 1, 1990
Process for manufacturing semiconductor memory device and product formed thereby
HITACHI LTD22 citations82
US4873559AOct 10, 1989
Semiconductor memory device and a process for producing the same
HITACHI LTD16 citations82
KOBE STEEL LTD
6 patentsUS6036744AMar 14, 2000
Method and apparatus for making metallic iron
KOBE STEEL LTD83 citations95
US6210462B1Apr 3, 2001
Method and apparatus for making metallic iron
KOBE STEEL LTD39 citations92
US6811759B2Nov 2, 2004
Method of producing iron oxide pellets
KOBE STEEL LTD22 citations91
US6579505B2Jun 17, 2003
Method of producing iron oxide pellets
KOBE STEEL LTD25 citations91
US6506231B2Jan 14, 2003
Method and apparatus for making metallic iron
KOBE STEEL LTD30 citations91
US6602320B2Aug 5, 2003
Method for producing reduced iron
KOBE STEEL LTD45 citations90
RENESAS TECH CORP
3 patentsUS6873552B2Mar 29, 2005
Nonvolatile memory system, semiconductor memory, and writing method
RENESAS TECH CORP79 citations99
US7405979B2Jul 29, 2008
Nonvolatile memory system, semiconductor memory, and writing method
RENESAS TECH CORP52 citations97
US7283399B2Oct 16, 2007
Nonvolatile memory system, semiconductor memory, and writing method
RENESAS TECH CORP53 citations97
HITACHI ULSI ENG CORP
2 patentsMITSUBISHI MOTORS CORP
2 patentsYAMADA YOSHIYA
2 patents(unassigned)
1 patentRENESAS ELECTRONICS CORP
1 patentMIDREX INT BV ZUERICH
1 patentIIZAKA HITOSHI
1 patentTOSHIBA TEC KK
1 patentShowing the top 50 of 90 patents by PatentIndex Score.