Inventor
IIYAMA AKIHIRO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “IIYAMA AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NISSAN MOTOR
9 patentsUS6425367B1Jul 30, 2002
Compression self-ignition gasoline internal combustion engine
NISSAN MOTOR62 citations96
US6234123B1May 22, 2001
Four-cycle internal combustion engine and valve timing control method thereof
NISSAN MOTOR81 citations96
US5540200AJul 30, 1996
Fuel injection valve
NISSAN MOTOR100 citations93
US6508229B2Jan 21, 2003
Auto-ignition combustion management in internal combustion engine
NISSAN MOTOR42 citations92
US5720253AFeb 24, 1998
Direct-injection type spark-ignition internal combustion engine
NISSAN MOTOR62 citations92
US4531491AJul 30, 1985
Fuel injection rate control system for an internal combustion engine
NISSAN MOTOR22 citations82
US6658840B2Dec 9, 2003
Apparatus for and method of controlling a vehicle engine
NISSAN MOTOR8 citations73
US5201300AApr 13, 1993
Direct injection diesel engine
NISSAN MOTOR15 citations73
US4788959ADec 6, 1988
Fuel injection pump
NISSAN MOTOR6 citations62
UNIV YAMANASHI
7 patentsUS10490827B2Nov 26, 2019
Alloy electrode catalyst and fuel cell using the same
UNIV YAMANASHI2 citations72
US11990627B2May 21, 2024
Carrier metal catalyst, manufacturing method thereof, and fuel cell
UNIV YAMANASHI0 citations61
US11563219B2Jan 24, 2023
Carrier powder, method for producing same, carrier metal catalyst, and method for producing same
UNIV YAMANASHI0 citations61
US11502309B2Nov 15, 2022
Carrier metal catalyst, manufacturing method thereof, and fuel cell
UNIV YAMANASHI0 citations61
US12244022B2Mar 4, 2025
Supported metal catalyst and electrochemical cell
UNIV YAMANASHI0 citations58
US10333152B2Jun 25, 2019
Fuel cell system and method for its operation
UNIV YAMANASHI0 citations51
US12494492B2Dec 9, 2025
Supported metal catalyst, method for producing same, and method for producing carrier
UNIV YAMANASHI0 citations44