HITACHI TOHBU SEMICONDUCTOR, LTD.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 12350
 
  
 
G11C STATIC STORES 5146
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 1104
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
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
6986072 Register capable of corresponding to wide frequency band and signal generating method using the sameJul 29, 02Jan 10, 06[G06F, G11C]
6778486 Laser module, optical head and optical information recording and reproducing apparatusFeb 04, 00Aug 17, 04[G02B]
6707726 Register without restriction of number of mounted memory devices and memory module having the sameJul 29, 02Mar 16, 04[G11C]
6492739 Semiconductor device having bumper portions integral with a heat sinkMar 25, 02Dec 10, 02[H01L]
6392308 Semiconductor device having bumper portions integral with a heat sinkFeb 28, 01May 21, 02[H01L]
6104085 Semiconductor device and method of producing the sameApr 27, 99Aug 15, 00[H01L]
5910010 Semiconductor integrated circuit device, and process and apparatus for manufacturing the sameFeb 18, 97Jun 08, 99[H01L]
5898621 Batch erasable single chip nonvolatile memory device and erasing method thereforJul 31, 97Apr 27, 99[G11C]
5818792 Semiconductor memory device and memory module using the sameFeb 25, 97Oct 06, 98[G01C]
5808359 Semiconductor device having a heat sink with bumpers for protecting outer leadsOct 25, 95Sep 15, 98[H01L]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0001,300 Semiconductor deviceAbandonedJun 13, 06Jan 04, 07[H01L]
7145394 High frequency power amplifier module, and wireless communication systemExpiredApr 05, 05Dec 05, 06[H03F]
2006/0227,448 Magnetic disk storage apparatusAbandonedJun 12, 06Oct 12, 06[G11B]
2005/0250,254 Method of manufacturing a semiconductor device and a fabrication apparatus for a semiconductor deviceAbandonedJul 12, 05Nov 10, 05[H01L]
6946306 Method of manufacturing a semiconductor device and a fabrication apparatus for a semiconductor deviceExpiredNov 09, 04Sep 20, 05[H01L]
2005/0189,892 Drive control system for sensor-less motorAbandonedMay 04, 05Sep 01, 05[H02P]
2005/0036,228 Magnetic disk storage apparatusAbandonedSep 24, 04Feb 17, 05[G11B]
2005/0029,666 Semiconductor device structural body and electronic deviceAbandonedSep 27, 04Feb 10, 05[H01L]
6852553 Semiconductor device fabrication method and semiconductor device fabrication apparatusExpiredMay 03, 02Feb 08, 05[H01L]
6801382 Magnetic disk storage apparatusExpiredApr 17, 02Oct 05, 04[G11B]
6783073 Image input systemExpiredJul 23, 02Aug 31, 04[H03K, G06F]
6781107 Semiconductor integrated circuit device and imaging systemExpiredFeb 25, 02Aug 24, 04[H04N]
6771033 Drive control system for sensor-less motorExpiredJan 14, 03Aug 03, 04[H02P]
6756661 Semiconductor device, a semiconductor module loaded with said semiconductor device and a method of manufacturing said semiconductor deviceExpiredMar 08, 01Jun 29, 04[H01L]
6710263 Semiconductor devicesExpiredFeb 23, 01Mar 23, 04[H05K]
6693346 Semiconductor memory module having double-sided stacked memory chip layoutExpiredJan 14, 03Feb 17, 04[H01L]
6658243 High frequency power amplifying apparatus having amplifying stages with gain control signals of lower amplitudes applied to earlier preceding stagesExpiredJul 22, 02Dec 02, 03[H04B]
6643152 DC power supply deviceExpiredNov 13, 02Nov 04, 03[H02M]
6617927 High frequency power amplifier module, and wireless communications systemExpiredApr 16, 02Sep 09, 03[H03F]
6566760 Semiconductor storage device having memory chips in a stacked structureExpiredSep 19, 00May 20, 03[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!.