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MITSURU ISHIKAWA
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TOKYO, JP
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Patents Grants
last 30 patents
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Patent Grant
Subscriber call simulator capable of testing new services of a tele...
Patent number
5,065,422
Issue date
Nov 12, 1991
NEC Corporation
Mitsuru Ishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
SURFACE ELASTIC WAVE DEVICE HAVING BUMPS IN A DEFINITE AREA ON THE...
Publication number
20020057034
Publication date
May 16, 2002
MITSURU ISHIKAWA
H01 - BASIC ELECTRIC ELEMENTS