P

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 patents
US10948081B2Mar 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 patents