Inventor
RIPPELMEYER LUKE A
US17 patents
⚠️ This page may combine multiple inventors who share the name “RIPPELMEYER LUKE A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA ENG & MFG NORTH AMERICA
14 patentsUS10948081B2Mar 16, 2021
Downsized CVT oil pump achieved by slip device
TOYOTA ENG & MFG NORTH AMERICA4 citations71
US10228053B2Mar 12, 2019
Method of reducing required machining on a pin type carrier
TOYOTA ENG & MFG NORTH AMERICA2 citations63
US10563701B2Feb 18, 2020
Methods and apparatus for clutch and brake drag reduction using springs
TOYOTA ENG & MFG NORTH AMERICA1 citations61
US11374241B2Jun 28, 2022
Fuel cell vehicle with a water system
TOYOTA ENG & MFG NORTH AMERICA0 citations60
US12148962B2Nov 19, 2024
Modular fuel cell system architecture and a control system for distributing power to the modules
TOYOTA ENG & MFG NORTH AMERICA0 citations58
US12365295B2Jul 22, 2025
Modular fuel cell system architecture and harness
TOYOTA ENG & MFG NORTH AMERICA0 citations57
US11987257B2May 21, 2024
Drive system controls architecture for OEM interface and services
TOYOTA ENG & MFG NORTH AMERICA1 citations56
US11742683B2Aug 29, 2023
Managing storage of electrical energy
TOYOTA ENG & MFG NORTH AMERICA0 citations54
US12347902B2Jul 1, 2025
Multiple fuel cell radiator system
TOYOTA ENG & MFG NORTH AMERICA0 citations50
US11527768B2Dec 13, 2022
Fuel cell vehicle with a water system
TOYOTA ENG & MFG NORTH AMERICA0 citations50
US10054173B2Aug 21, 2018
Integrated snap ring and return spring
TOYOTA ENG & MFG NORTH AMERICA1 citations50
US12071085B2Aug 27, 2024
Controlling DC-to-DC converters connected in parallel
TOYOTA ENG & MFG NORTH AMERICA0 citations43
US12194858B2Jan 14, 2025
Systems and methods for providing power to an electric motor from an inverter
TOYOTA ENG & MFG NORTH AMERICA0 citations40
US10400829B2Sep 3, 2019
Method and mechanism for open clutch drag reduction
TOYOTA ENG & MFG NORTH AMERICA0 citations39
TOYOTA MOTOR NORTH AMERICA INC
3 patentsUS10753430B2Aug 25, 2020
Multispeed automatic transmission for electrified vehicles
TOYOTA MOTOR NORTH AMERICA INC1 citations60
US11187277B2Nov 30, 2021
Transmission apparatus including clutch and planetary gear assembly for a transportation system
TOYOTA MOTOR NORTH AMERICA INC0 citations50
US10844937B2Nov 24, 2020
Multispeed automatic transmission for electrified vehicles
TOYOTA MOTOR NORTH AMERICA INC0 citations50