Inventor
NAGASHIMA OSAMU
JP70 patents
⚠️ This page may combine multiple inventors who share the name “NAGASHIMA OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
27 patentsUS5724297AMar 3, 1998
Semiconductor integrated circuit device and method of activating the same
HITACHI LTD138 citations99
US6339344B1Jan 15, 2002
Semiconductor integrated circuit device
HITACHI LTD79 citations97
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
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
US5726930AMar 10, 1998
Semiconductor memory device
HITACHI LTD59 citations96
US6201728B1Mar 13, 2001
Dynamic RAM, semiconductor storage device, and semiconductor integrated circuit device
HITACHI LTD60 citations95
US6754133B2Jun 22, 2004
Semiconductor device
HITACHI LTD33 citations92
US6680869B2Jan 20, 2004
Semiconductor device
HITACHI LTD19 citations92
US6483349B2Nov 19, 2002
Semiconductor integrated circuit device
HITACHI LTD37 citations92
US6459627B1Oct 1, 2002
Semiconductor memory device
HITACHI LTD18 citations92
US6341088B2Jan 22, 2002
Dynamic random access memory in switch MOSFETs between sense amplifiers and bit lines
HITACHI LTD28 citations92
US6212110B1Apr 3, 2001
Semiconductor memory device
HITACHI LTD33 citations92
US5615145AMar 25, 1997
Semiconductor memory with ferroelectric capacitors
HITACHI LTD50 citations92
US6473358B2Oct 29, 2002
Semiconductor memory device
HITACHI LTD31 citations91
US6411543B2Jun 25, 2002
Dynamic random access memory (RAM), semiconductor storage device, and semiconductor integrated circuit (IC) device
HITACHI LTD43 citations91
US6385100B2May 7, 2002
Semiconductor memory device with improved column selecting operation
HITACHI LTD28 citations91
US4947373AAug 7, 1990
Dynamic ram
HITACHI LTD53 citations91
US6498762B2Dec 24, 2002
Semiconductor integrated circuit device and method of activating the same
HITACHI LTD13 citations82
US6275440B2Aug 14, 2001
Semiconductor integrated circuit device and method of activating the same
HITACHI LTD10 citations82
US6240035B1May 29, 2001
Semiconductor integrated circuit device and method of activating the same
HITACHI LTD10 citations82
US6424586B1Jul 23, 2002
Semiconductor integrated circuit device and method of activating same
HITACHI LTD4 citations74
US6549484B2Apr 15, 2003
Semiconductor device
HITACHI LTD11 citations73
US6473354B2Oct 29, 2002
Semiconductor integrated circuit device and method of activating the same
HITACHI LTD1 citations63
US6396761B2May 28, 2002
Semiconductor integrated circuit device and method of activating the same
HITACHI LTD2 citations63
SONY CORP
8 patentsUSD646222SOct 4, 2011
Battery
SONY CORP83 citations97
USD635512SApr 5, 2011
Battery
SONY CORP16 citations92
USD618171SJun 22, 2010
Rechargeable battery
SONY CORP18 citations92
US7579811B2Aug 25, 2009
Battery pack, battery protection processing apparatus and control method thereof
SONY CORP49 citations91
US8785022B2Jul 22, 2014
Secondary battery
SONY CORP6 citations84
US7855012B2Dec 21, 2010
Secondary battery
SONY CORP9 citations84
US7847522B2Dec 7, 2010
Battery device
SONY CORP15 citations84
US7514902B2Apr 7, 2009
Battery pack and remaining battery power calculation method
SONY CORP13 citations84
ELPIDA MEMORY INC
3 patentsUS6671212B2Dec 30, 2003
Method and apparatus for data inversion in memory device
ELPIDA MEMORY INC25 citations92
US6678204B2Jan 13, 2004
Semiconductor memory device with high-speed operation and methods of using and designing thereof
ELPIDA MEMORY INC20 citations91
US6762962B2Jul 13, 2004
Memory system capable of overcoming propagation delay differences during data write
ELPIDA MEMORY INC11 citations74
NAGASHIMA OSAMU
3 patentsMICRON TECHNOLOGY INC
2 patentsHITACHI LTD INTELLECTUAL PROPE
1 patentHITACHI DISPLAYS LTD
1 patentSATO MASANAO
1 patentATI TECHNOLOGIES ULC
1 patentATI TECHNOLOGIES INC
1 patentJAPAN DISPLAY INC
1 patentIGETA KOICHI
1 patentShowing the top 50 of 70 patents by PatentIndex Score.