Hitachi Engineering Services Co., Ltd.

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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 1361
 
  
 
H05H PLASMA TECHNIQUE 129

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5325012 Bonded type piezoelectric apparatus, method for manufacturing the same and bonded type piezoelectric elementFeb 20, 92Jun 28, 94[H01L]
5243259 Microwave plasma processing apparatusNov 27, 91Sep 07, 93[H05H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5929458 Radiation shieldExpiredApr 30, 97Jul 27, 99[G21F]
5218505 Superconductor coil system and method of operating the sameExpiredJul 06, 90Jun 08, 93[H01H]

Top Inventors for This Owner

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