Inventor · disambiguated record
Seijiro Yokoyama
Also filed as: YOKOYAMA SEIJIRO
3 granted patents·23 citations·filing 1975–1979
67Inventor score
Technology areasH04L
Files withNIPPON ELECTRIC CO3
Top patents by PatentIndex Score
3 records- 0151US3978406ACode error detecting system in digital code transmissionNIPPON ELECTRIC CO·Filed 1975·Granted Aug 31, 1976·12 cites·8 claims
- 0242US4285062ADigital multi-level multi-phase modulation communication systemNIPPON ELECTRIC CO·Filed 1979·Granted Aug 18, 1981·8 cites·8 claims
- 0330US4110706APhase synchronizing circuitNIPPON ELECTRIC CO·Filed 1976·Granted Aug 29, 1978·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →