Hitachi Device Engineering Corp. Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 2149
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
G11C STATIC STORES 1150

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6195305 Semiconductor integrated circuit deviceApr 08, 99Feb 27, 01[G11C]
5920115 Semiconductor device and display unit using the semiconductor device and notebook-size personal computerOct 31, 97Jul 06, 99[H01L, G09G]
5767571 Semiconductor device and display unit using the semiconductor device and notebook-size personal computerJun 13, 96Jun 16, 98[H01L, G09G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6797566 Semiconductor integrated circuit device and process for producing the sameExpiredJan 16, 02Sep 28, 04[H01L]
4742272 MagnetronExpiredFeb 10, 87May 03, 88[H01J]

Top Inventors for This Owner

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