Inventor · disambiguated record

Mami Oka

Also filed as: OKA MAMI

2 granted patents·26 citations·filing 1991–1991

60Inventor score

Technology areasH04L H04Q

Files withHITACHI LTD2

Top patents by PatentIndex Score

2 records

0143US5226037ALine switching systemHITACHI LTD·Filed 1991·Granted Jul 6, 1993·18 cites·5 claims
0235US5448634AMethod and apparatus for data transfer and circuit setting for communication network systemHITACHI LTD·Filed 1991·Granted Sep 5, 1995·8 cites·8 claims

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