Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPH02149477
Kind Code:
U
Application Number:
JP5874089U
Publication Date:
December 20, 1990
Filing Date:
May 22, 1989
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
G02F1/1335; G02F1/13357; G07F9/02; G09F9/00; H01H9/16; H01H36/00; (IPC1-7): G07F9/02; G02F1/1335; G07F9/02; G09F9/00; H01H9/16; H01H36/00
Domestic Patent References:
JPS54155594U1979-10-29
JPS60189094A1985-09-26
JPH01183799A1989-07-21
JPH01175379U1989-12-13



 
Previous Patent: JPH02149476

Next Patent: PRODUCTION OF COPPER JOINED ALUMINUM NITRIDE SUBSTRATE