Inventor

PORTEHAULT DAVID

FR5 patents

⚠️ This page may combine multiple inventors who share the name “PORTEHAULT DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SWATCH GROUP RES & DEV LTD

2 patents

US12377462B2Aug 5, 2025

Method for manufacturing precious metal alloys and precious metal alloys thus obtained

SWATCH GROUP RES & DEV LTD0 citations53

US12179272B2Dec 31, 2024

Method for manufacturing precious metal alloys and precious metal alloys thus obtained

SWATCH GROUP RES & DEV LTD0 citations53

RHODIA OPERATIONS

1 patent

US10450200B2Oct 22, 2019

Tungsten oxide-type compound having a new crystalline structure and method for preparing same

RHODIA OPERATIONS1 citations51

CENTRE NAT RECH SCIENT

1 patent

US10730035B2Aug 4, 2020

Nanostructured amorphous boron material

CENTRE NAT RECH SCIENT0 citations39

ELECTRICITE DE FRANCE

1 patent

US11489159B2Nov 1, 2022

Method for producing a graphene oxide-based compound for an air electrode of a metal-air battery and associated compound

ELECTRICITE DE FRANCE0 citations37