Inventor
YOSHIMURA JOJI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIMURA JOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
10 patentsUS6291094B1Sep 18, 2001
Separator for fuel cell, fuel cell incorporating the same, and method of production of the same
TOYOTA MOTOR CO LTD117 citations97
US6245453B1Jun 12, 2001
Fuel cell and separator for the same
TOYOTA MOTOR CO LTD57 citations95
US7052794B2May 30, 2006
Fuel cell separator, manufacturing method thereof and fuel cell
TOYOTA MOTOR CO LTD12 citations82
US12540412B2Feb 3, 2026
Water electrolysis cell, method of producing water electrolysis cell
TOYOTA MOTOR CO LTD0 citations62
US7422815B2Sep 9, 2008
Fuel cell separator, manufacturing method thereof and fuel cell
TOYOTA MOTOR CO LTD3 citations61
US11527763B2Dec 13, 2022
Manufacturing method for catalyst layer for fuel cell
TOYOTA MOTOR CO LTD1 citations59
US10971715B2Apr 6, 2021
Sealed battery
TOYOTA MOTOR CO LTD1 citations59
US7572537B2Aug 11, 2009
Fuel cell and separator for the same
TOYOTA MOTOR CO LTD0 citations51
US12577691B2Mar 17, 2026
Water electrolysis cell and water electrolysis stack
TOYOTA MOTOR CO LTD0 citations50
US12546016B2Feb 10, 2026
Water electrolysis cell and water electrolysis stack
TOYOTA MOTOR CO LTD0 citations50