Inventor · disambiguated record
Kunihiro Kawai
Also filed as: KAWAI KUNIHIRO
20 granted patents·136 citations·filing 2001–2013
94Inventor score
Top patents by PatentIndex Score
20 records- 0194US7583168B2ResonatorNTT DOCOMO INC·Filed 2005·Granted Sep 1, 2009·26 cites·21 claims
- 0291US8106727B2Variable resonator, tunable filter, and electric circuit deviceKAWAI KUNIHIRO·Filed 2008·Granted Jan 31, 2012·17 cites·22 claims
- 0387US8294537B2Variable resonator, variable bandwidth filter, and electric circuit deviceKAWAI KUNIHIRO·Filed 2007·Granted Oct 23, 2012·12 cites·24 claims
- 0487US7573356B2Tunable filterNTT DOCOMO INC·Filed 2007·Granted Aug 11, 2009·13 cites·20 claims
- 0583US9337990B2Front-end circuit and impedance adjustment methodNTT DOCOMO INC·Filed 2013·Granted May 10, 2016·7 cites·3 claims
- 0682US7292124B2Variable resonator and variable phase shifterNTT DOCOMO INC·Filed 2005·Granted Nov 6, 2007·9 cites·11 claims
- 0781US8564384B2Variable resonator, tunable bandwidth filter, and electric circuit deviceNTT DOCOMO INC·Filed 2012·Granted Oct 22, 2013·4 cites·12 claims
- 0880US6963758B2High-sensitivity wireless receiving device and high-frequency unit used thereforNTT DOCOMO INC·Filed 2001·Granted Nov 8, 2005·23 cites·25 claims
- 0979US7825754B2Variable resonatorNTT DOCOMO INC·Filed 2006·Granted Nov 2, 2010·7 cites·11 claims
- 1073US8648666B2Multimode frontend circuitKAWAI KUNIHIRO·Filed 2011·Granted Feb 11, 2014·4 cites·9 claims
- 1168US8330562B2Variable resonator, tunable filter, and electric circuit deviceKAWAI KUNIHIRO·Filed 2012·Granted Dec 11, 2012·2 cites·13 claims
- 1267US8760244B2Multirole circuit element capable of operating as variable resonator or transmission line and variable filter incorporating the sameKAWAI KUNIHIRO·Filed 2011·Granted Jun 24, 2014·2 cites·21 claims
- 1367US8324988B2Variable resonator, tunable bandwidth filter, and electric circuit deviceKAWAI KUNIHIRO·Filed 2008·Granted Dec 4, 2012·4 cites·20 claims
- 1460US8125302B2Signal selecting deviceKAWAI KUNIHIRO·Filed 2008·Granted Feb 28, 2012·2 cites·11 claims
- 1558US9356644B2Wireless circuit and frequency pair determination methodNTT DOCOMO INC·Filed 2013·Granted May 31, 2016·1 cites·6 claims
- 1652US8581677B2Variable resonator, variable bandwidth filter, and electric circuit deviceKAWAI KUNIHIRO·Filed 2012·Granted Nov 12, 2013·0 cites·25 claims
- 1744US8138852B2Duplexer and transceiverKAWAI KUNIHIRO·Filed 2008·Granted Mar 20, 2012·0 cites·5 claims
- 1841US8773223B2Variable resonator and variable filterKAWAI KUNIHIRO·Filed 2010·Granted Jul 8, 2014·0 cites·9 claims
- 1940US7307045B2Signal switching deviceNTT DOCOMO INC·Filed 2003·Granted Dec 11, 2007·3 cites·12 claims
- 2036US7774034B2Signal switching deviceNTT DOCOMO INC·Filed 2007·Granted Aug 10, 2010·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Kunihiro Kawai 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 →