P

Inventor

SAKATA TAKESHI

JP181 patents
⚠️ This page may combine multiple inventors who share the name “SAKATA TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

41 patents
US7078273B2Jul 18, 2006

Semiconductor memory cell and method of forming same

HITACHI LTD130 citations99
US6740921B2May 25, 2004

Semiconductor memory cell and method of forming same

HITACHI LTD108 citations99
US5724297AMar 3, 1998

Semiconductor integrated circuit device and method of activating the same

HITACHI LTD138 citations99
US5614847AMar 25, 1997

Semiconductor integrated circuit device having power reduction mechanism

HITACHI LTD140 citations99
US5583457ADec 10, 1996

Semiconductor integrated circuit device having power reduction mechanism

HITACHI LTD251 citations99
US5539279AJul 23, 1996

Ferroelectric memory

HITACHI LTD218 citations99
US6560135B2May 6, 2003

Magnetic semiconductor memory apparatus and method of manufacturing the same

HITACHI LTD94 citations98
US6339344B1Jan 15, 2002

Semiconductor integrated circuit device

HITACHI LTD79 citations97
US7116593B2Oct 3, 2006

Storage device

HITACHI LTD60 citations96
US6949782B2Sep 27, 2005

Semiconductor memories

HITACHI LTD49 citations96
US6862235B2Mar 1, 2005

Semiconductor device which is low in power and high in speed and is highly integrated

HITACHI LTD44 citations96
US6787835B2Sep 7, 2004

Semiconductor memories

HITACHI LTD63 citations96
US6696865B2Feb 24, 2004

Semiconductor integrated circuit device having power reduction mechanism

HITACHI LTD32 citations96
US6573586B2Jun 3, 2003

Semiconductor device

HITACHI LTD37 citations96
US6563743B2May 13, 2003

Semiconductor device having dummy cells and semiconductor device having dummy cells for redundancy

HITACHI LTD69 citations96
US6452858B1Sep 17, 2002

Semiconductor device

HITACHI LTD40 citations96
US6407963B1Jun 18, 2002

Semiconductor memory device of DDR configuration having improvement in glitch immunity

HITACHI LTD64 citations96
US6335901B1Jan 1, 2002

Semiconductor device

HITACHI LTD66 citations96
US6300807B1Oct 9, 2001

Timing-control circuit device and clock distribution system

HITACHI LTD70 citations96
US6222792B1Apr 24, 2001

Phase control circuit, semiconductor device and semiconductor memory

HITACHI LTD62 citations96
US6205086B1Mar 20, 2001

Phase control circuit, semiconductor device and semiconductor memory

HITACHI LTD45 citations96
US5926430AJul 20, 1999

Semiconductor integrated circuit device and method of activating the same

HITACHI LTD52 citations96
US5880604AMar 9, 1999

Semiconductor integrated circuit device having power reduction mechanism

HITACHI LTD79 citations96
US5828235AOct 27, 1998

Semiconductor integrated circuit device having power reduction mechanism

HITACHI LTD34 citations96
US5606265AFeb 25, 1997

Semiconductor integrated circuits with power reduction mechanism

HITACHI LTD37 citations96
US5600163AFeb 4, 1997

Semiconductor element and semiconductor memory device using the same

HITACHI LTD32 citations96
US5521527AMay 28, 1996

Semiconductor integrated circuits with power reduction mechanism

HITACHI LTD39 citations96
US5408144AApr 18, 1995

Semiconductor integrated circuits with power reduction mechanism

HITACHI LTD61 citations96
US7366001B2Apr 29, 2008

Content addressable memory including main-match lines and sub-match lines

HITACHI LTD17 citations93
US7341892B2Mar 11, 2008

Semiconductor memory cell and method of forming same

HITACHI LTD12 citations93
US7286430B2Oct 23, 2007

Semiconductor device

HITACHI LTD14 citations93
US7054214B2May 30, 2006

Semiconductor device

HITACHI LTD13 citations93
US7038961B2May 2, 2006

Semiconductor device

HITACHI LTD35 citations93
US6965533B2Nov 15, 2005

Semiconductor device which is low in power and high in speed and is highly integrated

HITACHI LTD18 citations93
US6882557B2Apr 19, 2005

Semiconductor memory device

HITACHI LTD20 citations93
US6862232B2Mar 1, 2005

Semiconductor device

HITACHI LTD22 citations93
US6838901B2Jan 4, 2005

Semiconductor integrated circuits with power reduction mechanism

HITACHI LTD19 citations93
US6668344B1Dec 23, 2003

Semiconductor integrated circuit with memory redundancy circuit

HITACHI LTD28 citations93
US6621292B2Sep 16, 2003

Semiconductor integrated circuits with power reduction mechanism

HITACHI LTD27 citations93
US6617205B1Sep 9, 2003

Semiconductor storage device and process for manufacturing the same

HITACHI LTD14 citations93
US6570206B1May 27, 2003

Semiconductor device

HITACHI LTD45 citations93

RENESAS TECH CORP

4 patents

HITACHI ULSI SYS CO LTD

3 patents

ELPIDA MEMORY INC

2 patents

Showing the top 50 of 181 patents by PatentIndex Score.