HITACHI HIGH-TECH ELECTRONICS ENGINEERING CO., 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
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G03F PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR 1103
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 1137

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
7135861 Movable stage, XY stage, head carriage and tester of magnetic head or magnetic diskMar 19, 04Nov 14, 06[G01R]
7129702 XY stage, head carriage and tester of magnetic head or magnetic diskMar 19, 04Oct 31, 06[G01R]
7035039 Magnetic head positioning control device, magnetic head certifier, magnetic disk certifier and head cartridgeDec 05, 02Apr 25, 06[G11B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7586593 Inspection method and inspection apparatusExpiredNov 29, 06Sep 08, 09[G01N]
7511806 Apparatus and method for inspecting defectsExpiredOct 31, 07Mar 31, 09[G01N]
6962770 Method of manufacturing an electroconductive film, and an apparatus including itExpiredSep 14, 01Nov 08, 05[G03F]
6911101 ACF tape feeder machine, and method for feeding ACF tapeExpiredJul 07, 03Jun 28, 05[B32B]
6894489 TESTING APPARATUS FOR CONDUCTING A TEST ON A MAGNETIC RECORDING MEDIUM OR A MAGNETIC HEAD, THROUGH RECORDING TEST DATA ON THE MAGNETIC RECORDING MEDIUM AND REPRODUCING RECORDED TEST DATA THEREFROM BY MEANS OF THE MAGNETIC HEADExpiredDec 16, 03May 17, 05[G01R]
6887330 Machine for punching out electronic circuitry parts, method for replacing tape supply reels, and method for producing electronic circuitry parts from tapeExpiredJul 07, 03May 03, 05[B65H]
2005/0022,930 Substrate treatment apparatus, substrate treatment method and substrate manufacturing methodAbandonedMar 31, 04Feb 03, 05[C23F]
6821906 Method and apparatus for treating surface of substrate plateExpiredNov 20, 01Nov 23, 04[C23C, H01L, H05H]
2004/0196,454 Optical system, detector and method for detecting peripheral surface defect of translucent diskAbandonedApr 02, 04Oct 07, 04[G01N]
6801050 Driver circuit integrated with load current output circuit, pin electronics and IC tester having thereofExpiredDec 27, 01Oct 05, 04[G01R]
2002/0046,374 Method of testing memory device, method of manufacturing memory device, apparatus for testing memory device, method of testing memory module, method of manufacturing memory module, apparatus for testing memory module and method of manufacturing computerAbandonedDec 15, 00Apr 18, 02[G11C]

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!.