Inventor · disambiguated record
Takao Fukushima
Also filed as: FUKUSHIMA TAKAO
7 granted patents·103 citations·filing 1996–2019
83Inventor score
Top patents by PatentIndex Score
7 records- 0169US6038678APath switching method, path switching apparatus and nodes of UPSRHITACHI LTD·Filed 1997·Granted Mar 14, 2000·51 cites·5 claims
- 0266US7769257B2Optical transmission system and signal speed converting apparatusHITACHI LTD·Filed 2008·Granted Aug 3, 2010·3 cites·22 claims
- 0361US11384505B2Work vehicleKOMATSU MFG CO LTD·Filed 2019·Granted Jul 12, 2022·0 cites·6 claims
- 0458US6205562B1Path switching method, path switching apparatus and nodes of UPSRHITACHI LTD·Filed 1999·Granted Mar 20, 2001·36 cites·3 claims
- 0547US8149868B2Interface board and optical transmission equipmentNARITA HIDEMASA·Filed 2008·Granted Apr 3, 2012·1 cites·4 claims
- 0645US8306066B2Transmission deviceSHIBASAKI MASATOSHI·Filed 2009·Granted Nov 6, 2012·1 cites·6 claims
- 0733US5835845ACommunication system of multi-channel accessHITACHI ELECTRONICS·Filed 1996·Granted Nov 10, 1998·11 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →