Inventor · disambiguated record
Sunao Funakoshi
Also filed as: FUNAKOSHI SUNAO
14 granted patents·6 pending applications·317 citations·filing 1991–2023
93Inventor score
Top patents by PatentIndex Score
20 records- 0196US7957145B2Electric power converterHITACHI LTD·Filed 2010·Granted Jun 7, 2011·35 cites·8 claims
- 0295US7547966B2Power semiconductor moduleHITACHI LTD·Filed 2007·Granted Jun 16, 2009·47 cites·21 claims
- 0391US7671465B2Power semiconductor moduleHITACHI LTD·Filed 2007·Granted Mar 2, 2010·24 cites·16 claims
- 0490US8508258B2Driver circuit for switching deviceISHIKAWA KATSUMI·Filed 2007·Granted Aug 13, 2013·22 cites·4 claims
- 0587US8879259B2Cooling system for onboard electrical power converter, and electrical power converter for railway vehicleSUZUKI OSAMU·Filed 2011·Granted Nov 4, 2014·11 cites·2 claims
- 0682US7805271B2Evaluation system for amount of emission gases through fuel supply chainHITACHI LTD·Filed 2008·Granted Sep 28, 2010·15 cites·9 claims
- 0780US7783396B2Hybrid cruising control systemHITACHI LTD·Filed 2008·Granted Aug 24, 2010·13 cites·5 claims
- 0876US6923016B2Refrigeration cycle apparatusFiled 2004·Granted Aug 2, 2005·23 cites·7 claims
- 0971US5156203AAir conditioning systemHITACHI LTD·Filed 1991·Granted Oct 20, 1992·116 cites·29 claims
- 1064US6682322B2Air-conditioner for use in an automobileHITACHI LTD·Filed 2002·Granted Jan 27, 2004·10 cites·18 claims
- 1162US2025264486A1Automatic analyzerHITACHI HIGH TECH CORP·Filed 2023·Application pending·0 cites
- 1261US2024310393A1Automated analysis deviceHITACHI HIGH TECH CORP·Filed 2022·Application pending·0 cites
- 1358US11906534B2Automatic analyzerHITACHI HIGH TECH CORP·Filed 2019·Granted Feb 20, 2024·0 cites·13 claims
- 1457US8860213B2Power converterHITACHI LTD·Filed 2013·Granted Oct 14, 2014·1 cites·6 claims
- 1553US11953508B2Automatic analysis deviceHITACHI HIGH TECH CORP·Filed 2019·Granted Apr 9, 2024·0 cites·11 claims
- 1649US12422445B2Automated analyzerHITACHI HIGH TECH CORP·Filed 2021·Granted Sep 23, 2025·0 cites·9 claims
- 1749US2015016171A1Traction converter and railway vehicleHITACHI LTD·Filed 2014·Application pending·0 cites
- 1849US2022214369A1Automatic analysis deviceHITACHI HIGH TECH CORP·Filed 2020·Application pending·0 cites
- 1947US2009321924A1Power Semiconductor ModuleHITACHI LTD·Filed 2009·Application pending·0 cites
- 2046US2009116197A1Method for power semiconductor module fabrication, its apparatus, power semiconductor module and its junction methodFUNAKOSHI SUNAO·Filed 2008·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Sunao Funakoshi 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 →