Inventor

RAHMADI PIYAN

ID11 patents

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

PT ESG NEW ENERGY MAT

6 patents

US12473611B2Nov 18, 2025

Dynamic optimization method for acid-to-ore ratio in high-pressure leaching of laterite nickel ore

PT ESG NEW ENERGY MAT0 citations49

US12325896B2Jun 10, 2025

Treatment method and application for laterite nickel ore leaching solution with high calcium and magnesium content

PT ESG NEW ENERGY MAT0 citations49

US12384709B2Aug 12, 2025

Wastewater treatment process in production of nickel cobalt hydroxide

PT ESG NEW ENERGY MAT0 citations48

US12378637B2Aug 5, 2025

Treatment system for the slag phase after removing iron-aluminum-chromium from leaching solution of laterite nickel ore

PT ESG NEW ENERGY MAT0 citations48

US12362043B2Jul 15, 2025

System for optimizing duration time of high-pressure leaching of laterite nickel ore

PT ESG NEW ENERGY MAT0 citations48

US12378630B2Aug 5, 2025

Combined heat exchange system of flash tank and preheater for laterite nickel ore leaching

PT ESG NEW ENERGY MAT0 citations47

PT QMB NEW ENERGY MAT

5 patents

US12595532B2Apr 7, 2026

Ore hydrometallurgical slag and phosphating slag

PT QMB NEW ENERGY MAT0 citations59

US12590014B1Mar 31, 2026

Method for improving particle size and morphology of neutralizer for laterite nickel ore hydrometallurgy

PT QMB NEW ENERGY MAT0 citations55

US12325895B2Jun 10, 2025

Method for dynamically controlling high-pressure leaching reaction condition of laterite nickel ore

PT QMB NEW ENERGY MAT0 citations49

US12286360B2Apr 29, 2025

Cobalt-manganese sulfate solution from low nickel matte

PT QMB NEW ENERGY MAT0 citations49

US12403413B2Sep 2, 2025

Method for green and low-cost extraction of nickel-cobalt from laterite nickel ore

PT QMB NEW ENERGY MAT0 citations46