Inventor · disambiguated record
Akihiro Iiyama
Also filed as: IIYAMA AKIHIRO
18 granted patents·4 pending applications·430 citations·filing 1983–2022
94Inventor score
Top patents by PatentIndex Score
22 records- 0194US6425367B1Compression self-ignition gasoline internal combustion engineNISSAN MOTOR·Filed 2000·Granted Jul 30, 2002·62 cites·20 claims
- 0294US5540200AFuel injection valveNISSAN MOTOR·Filed 1994·Granted Jul 30, 1996·100 cites·17 claims
- 0391US5720253ADirect-injection type spark-ignition internal combustion engineNISSAN MOTOR·Filed 1996·Granted Feb 24, 1998·62 cites·15 claims
- 0490US6508229B2Auto-ignition combustion management in internal combustion engineNISSAN MOTOR·Filed 2001·Granted Jan 21, 2003·42 cites·20 claims
- 0586US10490827B2Alloy electrode catalyst and fuel cell using the sameUNIV YAMANASHI·Filed 2017·Granted Nov 26, 2019·2 cites·9 claims
- 0686US6234123B1Four-cycle internal combustion engine and valve timing control method thereofNISSAN MOTOR·Filed 1999·Granted May 22, 2001·81 cites·13 claims
- 0785US6955861B2Fuel cell system, and method of protecting a fuel cell from freezingUTC FUEL CELLS LLC·Filed 2002·Granted Oct 18, 2005·30 cites·27 claims
- 0880US11990627B2Carrier metal catalyst, manufacturing method thereof, and fuel cellUNIV YAMANASHI·Filed 2022·Granted May 21, 2024·0 cites·2 claims
- 0980US4531491AFuel injection rate control system for an internal combustion engineNISSAN MOTOR·Filed 1983·Granted Jul 30, 1985·22 cites·7 claims
- 1072US11502309B2Carrier metal catalyst, manufacturing method thereof, and fuel cellUNIV YAMANASHI·Filed 2020·Granted Nov 15, 2022·0 cites·5 claims
- 1167US2025003089A1Electrode catalyst and water electrolysis cellUNIV YAMANASHI·Filed 2022·Application pending·0 cites
- 1264US12244022B2Supported metal catalyst and electrochemical cellUNIV YAMANASHI·Filed 2020·Granted Mar 4, 2025·0 cites·8 claims
- 1362US2024055616A1Supported metal catalystUNIV YAMANASHI·Filed 2021·Application pending·0 cites
- 1459US12494492B2Supported metal catalyst, method for producing same, and method for producing carrierUNIV YAMANASHI·Filed 2021·Granted Dec 9, 2025·0 cites·18 claims
- 1558US11563219B2Carrier powder, method for producing same, carrier metal catalyst, and method for producing sameUNIV YAMANASHI·Filed 2018·Granted Jan 24, 2023·0 cites·17 claims
- 1656US2023321633A1Supported metal catalystUNIV YAMANASHI·Filed 2021·Application pending·0 cites
- 1756US2024266554A1Supported metal catalyst and production method thereofUNIV YAMANASHI·Filed 2022·Application pending·0 cites
- 1855US11752490B2Supported metal catalyst and method for producing sameNIPPON KAGAKU SANGYO KK·Filed 2019·Granted Sep 12, 2023·0 cites·7 claims
- 1954US5201300ADirect injection diesel engineNISSAN MOTOR·Filed 1991·Granted Apr 13, 1993·15 cites·24 claims
- 2053US10333152B2Fuel cell system and method for its operationUNIV YAMANASHI·Filed 2016·Granted Jun 25, 2019·0 cites·9 claims
- 2153US6658840B2Apparatus for and method of controlling a vehicle engineNISSAN MOTOR·Filed 2002·Granted Dec 9, 2003·8 cites·14 claims
- 2241US4788959AFuel injection pumpNISSAN MOTOR·Filed 1985·Granted Dec 6, 1988·6 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →