HITACHI ULSI ENGINEERING CORP.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G11C STATIC STORES 24127
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 10437
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 10352
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7022568 Semiconductor integrated circuit device and process for manufacturing the sameOct 12, 04Apr 04, 06[H01L]
7023071 Semiconductor integrated circuit device and process for manufacturing the sameJun 15, 04Apr 04, 06[H01L]
6906952 Nonvolatile semiconductor memory device and data writing method thereforMar 24, 03Jun 14, 05[G11C]
6421279 Flash memory control method and apparatus processing system therewithAug 13, 01Jul 16, 02[G11C]
6335898 Semiconductor IC device having a memory and a logic circuit implemented with a single chipMar 16, 01Jan 01, 02[G11C]
6275436 Flash memory control method and apparatus processing system therewithMay 23, 00Aug 14, 01[G11C]
6246629 Semiconductor IC device having a memory and a logic circuit implemented with a single chipApr 18, 00Jun 12, 01[G11C]
6211004 Semiconductor integrated circuit device and process for manufacturing the sameJun 16, 99Apr 03, 01[H01L]
6097663 Semiconductor IC device having a memory and a logic circuit implemented with a single chipOct 06, 99Aug 01, 00[G11C]
6084809 Main amplifier circuit and input-output bus for a dynamic random access memoryDec 11, 97Jul 04, 00[G11C]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6748507 Single-chip microcomputer with integral clock generating unit providing clock signals to CPU, internal circuit modules and synchronously controlling external dynamic memoryExpiredJun 13, 02Jun 08, 04[G06F]
6735683 Single-chip microcomputer with hierarchical internal bus structure having data and address signal lines coupling CPU with other processing elementsExpiredOct 04, 02May 11, 04[G06F]
6601154 Cache memory employing dynamically controlled data array start timing and a microcomputer using the sameExpiredFeb 28, 02Jul 29, 03[G06F]
6512245 Semiconductor integrated circuit deviceExpiredMay 17, 01Jan 28, 03[H01L]
6502136 EXCLUSIVE CONTROL METHOD WITH EACH NODE CONTROLLING ISSUE OF AN EXCLUSIVE USE REQUEST TO A SHARED RESOURCE, A COMPUTER SYSTEM THEREFOR AND A COMPUTER SYSTEM WITH A CIRCUIT FOR DETECTING WRITING OF AN EVENT FLAG INTO A SHARED MAIN STORAGEExpiredMay 02, 01Dec 31, 02[G06F]
6438036 Nonvolatile semiconductor memory deviceExpiredApr 10, 01Aug 20, 02[G11C]
6330604 Exclusive control method with each node controlling issue of an exclusive use request to a shared resource, a computer system therefor and a computer system with a circuit for detecting writing of an event flag into a shared main storageExpiredJun 23, 98Dec 11, 01[G06F]
6259629 Nonvolatile semiconductor memory deviceExpiredOct 19, 99Jul 10, 01[G11C]
6181600 Nonvolatile semiconductor memory deviceExpiredJun 29, 99Jan 30, 01[G11C]
6174222 Process for fabrication of semiconductor device, semiconductor wafer for use in the process and process for the preparation of the waferExpiredMay 28, 96Jan 16, 01[B24B]
6049839 Data processor with multiple register queuesExpiredDec 23, 93Apr 11, 00[G06F]
5961596 Method of monitoring a computer system, featuring performance data distribution to plural monitoring processesExpiredFeb 14, 97Oct 05, 99[G06F]
5860127 Cache memory employing dynamically controlled data array start timing and a microcomputer using the sameExpiredMay 24, 96Jan 12, 99[G06F]
5848067 AAL1 processing method and apparatus for parallelly executing sequence number processing and pointer comparison processing in ATM cell disassembly apparatusExpiredMar 07, 97Dec 08, 98[H04L]
5822605 Parallel processor system with a broadcast message serializing circuit provided within a networkExpiredMar 22, 95Oct 13, 98[H04L, G06F]
5787301 Parallel computer systemExpiredMar 21, 95Jul 28, 98[G06F]
5774731 Exclusive control method with each node controlling issue of an exclusive use request to a shared resource, a computer system therefor and a computer system with a circuit for detecting writing of an event flag into a shared main storageExpiredJul 05, 96Jun 30, 98[G06F]
5768274 Cell multiplexer having cell delineation functionExpiredJul 11, 96Jun 16, 98[H04J]
5758053 Fault handling and recovery for system having plural processorsExpiredFeb 01, 94May 26, 98[H04L, H04J]
5684315 Semiconductor memory device including memory cells each having an information storage capacitor component formed over control electrode of cell selecting transistorExpiredDec 23, 94Nov 04, 97[H01L]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.