Inventor · disambiguated record
Hitoshi Hamada
Also filed as: HAMADA HITOSHI
21 granted patents·9 pending applications·284 citations·filing 1978–2024
94Inventor score
Top patents by PatentIndex Score
30 records- 0197USD255174SSoleNIPPON RUBBER CO·Filed 1978·Granted Jun 3, 1980·68 cites·1 claims
- 0290US8921000B2Fuel cellTAKESHITA NAOHIRO·Filed 2010·Granted Dec 30, 2014·18 cites·7 claims
- 0384US9520612B2Fuel cellTOYOTA MOTOR CO LTD·Filed 2014·Granted Dec 13, 2016·4 cites·3 claims
- 0477US7138200B1Fuel cell and separator for the sameKAWADA KOGYO KK·Filed 2000·Granted Nov 21, 2006·14 cites·15 claims
- 0577US5473426ADefect inspection apparatusNIKON CORP·Filed 1995·Granted Dec 5, 1995·50 cites·17 claims
- 0676US10439247B2Fuel cell stackTOYOTA MOTOR CO LTD·Filed 2017·Granted Oct 8, 2019·1 cites·3 claims
- 0776US6245453B1Fuel cell and separator for the sameTOYOTA MOTOR CO LTD·Filed 1998·Granted Jun 12, 2001·57 cites·15 claims
- 0874US2025167259A1Method for manufacturing fuel batteryTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 0971US9570768B2Fuel cell system and control method thereofARAKI YASUSHI·Filed 2012·Granted Feb 14, 2017·4 cites·5 claims
- 1069US2023402624A1Power generation unit cell and fuel cellTOYOTA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 1168US2023369613A1Fuel cell stackTOYOTA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 1267US8877393B2Fuel cellTAKEUCHI HIROAKI·Filed 2010·Granted Nov 4, 2014·1 cites·9 claims
- 1366US8455156B2Separator for fuel cell and fuel cellYAMAMOTO YOSHINORI·Filed 2008·Granted Jun 4, 2013·1 cites·11 claims
- 1466US6277511B1Fuel cellTOYOTA MOTOR CO LTD·Filed 1999·Granted Aug 21, 2001·38 cites·8 claims
- 1562US8415063B2Fuel cell systemORIHASHI NOBUYUKI·Filed 2008·Granted Apr 9, 2013·1 cites·3 claims
- 1657US6444338B1Fuel cell system with improved startabilityTOYOTA MOTOR CO LTD·Filed 1999·Granted Sep 3, 2002·25 cites·17 claims
- 1755US6769642B2Pinch roller and pinch roller apparatusYAMAUCHI CORP·Filed 2002·Granted Aug 3, 2004·2 cites·7 claims
- 1850US10522846B2Fuel cell end plate with resin layer and protrusionTOYOTA MOTOR CO LTD·Filed 2017·Granted Dec 31, 2019·0 cites·1 claims
- 1948US9118049B2Fuel cell systemHAMADA HITOSHI·Filed 2008·Granted Aug 25, 2015·0 cites·13 claims
- 2048US7572537B2Fuel cell and separator for the sameTOYOTA MOTOR CO LTD·Filed 2003·Granted Aug 11, 2009·0 cites·25 claims
- 2147US11233252B2Fuel cell caseTOYOTA MOTOR CO LTD·Filed 2019·Granted Jan 25, 2022·0 cites·6 claims
- 2247US10522865B2Fuel cell stackTOYOTA MOTOR CO LTD·Filed 2017·Granted Dec 31, 2019·0 cites·6 claims
- 2347US9397349B2Fuel cellTSUBOSAKA KENJI·Filed 2010·Granted Jul 19, 2016·0 cites·5 claims
- 2445US2013149628A1Method of estimating amiount of liquid water in fuel cell, method of estimating amount of liquid water discharged from fuel cell, estimation apparatus of liquid water amount in fuel cell and fuel cell systemOGAWA TOMOHIRO·Filed 2011·Application pending·0 cites
- 2541US2013236803A1Fuel cell moduleKONNO NORISHIGE·Filed 2010·Application pending·0 cites
- 2640US2008107939A1Fuel Cell SystemHAMADA HITOSHI·Filed 2006·Application pending·0 cites
- 2740US2010062309A1Fuel cell and method for manufacturing the sameAKIYAMA SHIRO·Filed 2008·Application pending·0 cites
- 2839US2002071981A1Fuel cellTOYOTA MOTOR CO LTD·Filed 2001·Application pending·0 cites
- 2936US10903513B2Fuel cell device and vehicle with the same mounted thereonTOYOTA MOTOR CO LTD·Filed 2019·Granted Jan 26, 2021·0 cites·3 claims
- 3036US2001028970A1Fuel cell system and method for operating fuel cellTOYOTA MOTOR CO LTD·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →