Inventor · disambiguated record
Akifumi Yonehara
Also filed as: YONEHARA AKIFUMI
8 granted patents·285 citations·filing 1987–1995
89Inventor score
Files withNEC CORP8
Top patents by PatentIndex Score
8 records- 0184US5058104ATdm demultiplexer with dedicated maintenance channels to indicate high-speed line faults to low speed circuitsNEC CORP·Filed 1989·Granted Oct 15, 1991·75 cites·2 claims
- 0271US5265089ALoopback test circuitNEC CORP·Filed 1993·Granted Nov 23, 1993·41 cites·11 claims
- 0368US5285446ACell flow control unit and method for asynchronous transfer mode switching networksNEC CORP·Filed 1991·Granted Feb 8, 1994·59 cites·10 claims
- 0461US5379295ACross-connect system for asynchronous transfer modeNEC CORP·Filed 1991·Granted Jan 3, 1995·43 cites·10 claims
- 0558US5648966AMethod of sending an alarm to a network management station when an unusual event occurs in a managed network stationNEC CORP·Filed 1995·Granted Jul 15, 1997·45 cites·12 claims
- 0641US5511065AMultiplexing device capable of quickly transmitting a monitoring informationNEC CORP·Filed 1994·Granted Apr 23, 1996·9 cites·2 claims
- 0736US5228037ALine interface for high-speed lineNEC CORP·Filed 1991·Granted Jul 13, 1993·6 cites·20 claims
- 0836US4823344ARemote test circuit for channel terminalNEC CORP·Filed 1987·Granted Apr 18, 1989·7 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →