Inventor · disambiguated record
Etsumi Fujita
Also filed as: FUJITA ETSUMI
4 granted patents·191 citations·filing 1984–1994
81Inventor score
Files withSONY CORP4
Top patents by PatentIndex Score
4 records- 0189US5321721ASpread spectrum communication system and transmitter-receiverSONY CORP·Filed 1992·Granted Jun 14, 1994·88 cites·6 claims
- 0281US4684981ADigital terminal address transmitting for CATVSONY CORP·Filed 1984·Granted Aug 4, 1987·36 cites·4 claims
- 0372US5504776ASpread spectrum communication system and transmitter-receiverSONY CORP·Filed 1994·Granted Apr 2, 1996·55 cites·15 claims
- 0444US4646327AWaveform shaping apparatusSONY CORP·Filed 1985·Granted Feb 24, 1987·12 cites·6 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →