Inventor · disambiguated record
Kazuto Kitakubo
Also filed as: KITAKUBO KAZUTO
8 granted patents·466 citations·filing 1991–1997
91Inventor score
Files withSONY CORP8
Top patents by PatentIndex Score
8 records- 0196US5969560ASwitching circuit at high frequency with low insertion lossSONY CORP·Filed 1997·Granted Oct 19, 1999·130 cites·18 claims
- 0288US5825227ASwitching circuit at high frequency with low insertion lossSONY CORP·Filed 1996·Granted Oct 20, 1998·96 cites·6 claims
- 0388US5822684AAntenna switching circuit and wireless communication systemSONY CORP·Filed 1996·Granted Oct 13, 1998·55 cites·11 claims
- 0487US5634200AAntenna duplexer and transmitting/receiving apparatus using the sameSONY CORP·Filed 1996·Granted May 27, 1997·56 cites·16 claims
- 0574US5731964AElectromagnetic-wave shielding deviceSONY CORP·Filed 1996·Granted Mar 24, 1998·68 cites·3 claims
- 0663US5276914ADual-mode transceiver that switches out a large insertion loss filter during transmissionSONY CORP·Filed 1991·Granted Jan 4, 1994·36 cites·10 claims
- 0757US5262741AAttenuator for high-frequency signalSONY CORP·Filed 1992·Granted Nov 16, 1993·14 cites·6 claims
- 0840US5930245ARadio telephone apparatus for performing space diversity reception to communicate with base stations in a TDMA radio communication systemSONY CORP·Filed 1996·Granted Jul 27, 1999·11 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Kazuto Kitakubo files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →