Inventor · disambiguated record
Ryo Sawai
Also filed as: SAWAI RYO
220 granted patents·16 pending applications·1,692 citations·filing 2004–2025
99Inventor score
Top patents by PatentIndex Score
236 records- 0199US8391794B2Communication control method, communication device, and programSAWAI RYO·Filed 2010·Granted Mar 5, 2013·208 cites·13 claims
- 0299US8369274B2Communication system, communication device, program and communication control methodSONY CORP·Filed 2010·Granted Feb 5, 2013·181 cites·15 claims
- 0399US8289869B2Wireless communication system, wireless communication device and wireless communication method, and computer programSAWAI RYO·Filed 2009·Granted Oct 16, 2012·196 cites·26 claims
- 0499US8265684B2Transmission power control method, communication device and programSAWAI RYO·Filed 2010·Granted Sep 11, 2012·219 cites·9 claims
- 0599US8249631B2Transmission power allocation method, communication device and programSAWAI RYO·Filed 2010·Granted Aug 21, 2012·220 cites·8 claims
- 0698US9820168B2Transmission power determination method, communication device and programSONY CORP·Filed 2015·Granted Nov 14, 2017·16 cites·12 claims
- 0798US9661587B2Transmission power control method, communication device and programSONY CORP·Filed 2015·Granted May 23, 2017·15 cites·19 claims
- 0898US9510302B2Communication device, transmission power control method, and programSONY CORP·Filed 2015·Granted Nov 29, 2016·20 cites·20 claims
- 0998US9380575B2Communication control device, communication control method, communication system and communication deviceSONY CORP·Filed 2015·Granted Jun 28, 2016·21 cites·19 claims
- 1098US8577406B2Communication device, transmission power control method, and programSAWAI RYO·Filed 2010·Granted Nov 5, 2013·34 cites·10 claims
- 1197US9894657B2Communication control device, communication control method, communication device, communication method, and communication systemSONY CORP·Filed 2017·Granted Feb 13, 2018·12 cites·20 claims
- 1297US9775119B2Communication device, transmission power control method, and programSONY CORP·Filed 2016·Granted Sep 26, 2017·13 cites·20 claims
- 1397US9622191B2Communication control device, communication control method, communication device, communication method, and communication systemSONY CORP·Filed 2016·Granted Apr 11, 2017·15 cites·20 claims
- 1497US9215670B2Communication device, transmission power control method, and programSONY CORP·Filed 2013·Granted Dec 15, 2015·23 cites·20 claims
- 1597US9137761B2Transmission power control method, communication device and programSONY CORP·Filed 2013·Granted Sep 15, 2015·23 cites·17 claims
- 1697US9131387B2Transmission power determination method, communication device and programSONY CORP·Filed 2012·Granted Sep 8, 2015·22 cites·11 claims
- 1797US9078243B2Communication control device, communication control method, communication system and communication deviceSAWAI RYO·Filed 2011·Granted Jul 7, 2015·25 cites·14 claims
- 1897US8639281B2Transmission power determination method, communication device and programSAWAI RYO·Filed 2010·Granted Jan 28, 2014·27 cites·10 claims
- 1997US8588829B2Transmission power control method, communication device and programSAWAI RYO·Filed 2012·Granted Nov 19, 2013·25 cites·10 claims
- 2096US10104625B2Transmission power control method, communication device and programSONY CORP·Filed 2016·Granted Oct 16, 2018·10 cites·20 claims
- 2196US9999085B2Communication control device, communication control method, communication system and communication deviceSONY CORP·Filed 2016·Granted Jun 12, 2018·10 cites·17 claims
- 2296US9363767B2Communication control device, communication control method, communication device, communication method, and communication systemKIMURA RYOTA·Filed 2011·Granted Jun 7, 2016·22 cites·25 claims
- 2395US10306564B2Communication device, transmission power control method, and programSONY CORP·Filed 2017·Granted May 28, 2019·6 cites·9 claims
- 2494US10517131B2Communication control device, communication control method, communication system and communication deviceSONY CORP·Filed 2019·Granted Dec 24, 2019·5 cites·20 claims
- 2593US10405200B2Transmission power determination method, communication device and programSONY CORP·Filed 2017·Granted Sep 3, 2019·5 cites·15 claims
- 2693US10136468B2Communication control device, radio communication device, communication control method, and radio communication methodSONY CORP·Filed 2015·Granted Nov 20, 2018·10 cites·23 claims
- 2793US7768985B2Wireless communication system, wireless communication apparatus, wireless communication method, and computer programSONY CORP·Filed 2009·Granted Aug 3, 2010·12 cites·3 claims
- 2892US10405283B2Communication device, transmission power control method, and programSONY CORP·Filed 2018·Granted Sep 3, 2019·4 cites·20 claims
- 2992US10368385B2Communication control device, communication control method, communication system and communication deviceSONY CORP·Filed 2018·Granted Jul 30, 2019·4 cites·26 claims
- 3092US8467410B2Wireless communication system, wireless communication apparatus, wireless communication method, and computer programMORIOKA YUICHI·Filed 2012·Granted Jun 18, 2013·9 cites·21 claims
- 3192US7535879B2Wireless communication system, wireless communication apparatus, wireless communication method, and computer programSONY CORP·Filed 2005·Granted May 19, 2009·26 cites·70 claims
- 3291US9161234B2Communication control apparatus, communication control method, program, and communication systemSAWAI RYO·Filed 2012·Granted Oct 13, 2015·8 cites·14 claims
- 3390US12231932B2Communication control device and communication control methodSONY GROUP CORP·Filed 2020·Granted Feb 18, 2025·2 cites·19 claims
- 3490US9374838B2Method for performing handover, user equipment, and radio communication systemTAKANO HIROAKI·Filed 2010·Granted Jun 21, 2016·7 cites·16 claims
- 3590US8228941B2Wireless communication system, wireless communication apparatus, wireless communication method, and computer programMORIOKA YUICHI·Filed 2010·Granted Jul 24, 2012·7 cites·21 claims
- 3690US7983296B2Wireless communication system, wireless communication apparatus, wireless communication method, and computer programSONY CORP·Filed 2010·Granted Jul 19, 2011·7 cites·21 claims
- 3789US9781725B2Communication control device, communication control method, and communication control system to prevent excessive interference while operating a secondary systemSONY CORP·Filed 2016·Granted Oct 3, 2017·4 cites·15 claims
- 3889US8811328B2Communication system, communication device, program and communication control methodSONY CORP·Filed 2013·Granted Aug 19, 2014·6 cites·15 claims
- 3988US9037075B2Relay station and communication control methodTAKANO HIROAKI·Filed 2011·Granted May 19, 2015·10 cites·6 claims
- 4088US8737427B2Wireless communication system, wireless communication apparatus, wireless communication method, and computer programSONY CORP·Filed 2013·Granted May 27, 2014·4 cites·11 claims
- 4188US8504861B2Data processing system having power capping function in response to output state of power supply moduleSAWAI RYO·Filed 2011·Granted Aug 6, 2013·9 cites·11 claims
- 4288US8359530B2Wireless communication apparatus, wireless communication method, and computer programSONY CORP·Filed 2009·Granted Jan 22, 2013·16 cites·15 claims
- 4387US10548095B2Communication device, transmission power control method, and programSONY CORP·Filed 2019·Granted Jan 28, 2020·2 cites·20 claims
- 4487US10469180B2Communication control device, communication control method and information processing apparatusSONY CORP·Filed 2018·Granted Nov 5, 2019·3 cites·20 claims
- 4587US8401484B2Wireless communication apparatus, wireless communication method, computer program, and wireless communication systemKIMURA RYOTA·Filed 2010·Granted Mar 19, 2013·6 cites·16 claims
- 4686US9942773B2Communication control apparatus, communication control method, program, and communication systemSONY CORP·Filed 2015·Granted Apr 10, 2018·3 cites·9 claims
- 4786US9674369B2Communication control apparatus, communication control method, program, and terminal apparatusSONY CORP·Filed 2013·Granted Jun 6, 2017·5 cites·18 claims
- 4884US10219249B2Wireless communication device, wireless communication method, and programSONY CORP·Filed 2015·Granted Feb 26, 2019·4 cites·18 claims
- 4984US10044450B2Communication control device, communication control method and information processing apparatusSONY CORP·Filed 2014·Granted Aug 7, 2018·4 cites·18 claims
- 5084US8379763B2Wireless communication device, wireless communication method, signal processing device, signal processing method, and computer programSONY CORP·Filed 2009·Granted Feb 19, 2013·11 cites·13 claims
Showing the top 50 of 236 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Ryo Sawai 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 →