P

Inventor

SHIBAYAMA KEISUKE

JP10 patents
⚠️ This page may combine multiple inventors who share the name “SHIBAYAMA KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO METAL MINING CO

7 patents
US7964165B2Jun 21, 2011

Separation method for zinc sulfide

SUMITOMO METAL MINING CO10 citations80
US9410226B2Aug 9, 2016

Ore slurry production method and metal refining method

SUMITOMO METAL MINING CO2 citations61
US8343447B2Jan 1, 2013

Hydrometallurgical process for a nickel oxide ore

SUMITOMO METAL MINING CO4 citations61
US10017835B2Jul 10, 2018

Method for producing nickel sulfide and hydrometallurgical method for nickel oxide ore

SUMITOMO METAL MINING CO0 citations51
US9561972B2Feb 7, 2017

Method for effluent treatment in smelting of nickel oxide ore

SUMITOMO METAL MINING CO0 citations51
US10442715B2Oct 15, 2019

Chromium-containing water treatment method

SUMITOMO METAL MINING CO0 citations47
US9719153B2Aug 1, 2017

Method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical process

SUMITOMO METAL MINING CO0 citations40

NAKAI OSAMU

1 patent
US8911531B2Dec 16, 2014

Hydrometallurgical plant of nickel laterite ore and operation method thereof

NAKAI OSAMU3 citations51

KOBAYASHI HIROSHI

1 patent
US8747787B2Jun 10, 2014

Method for producing raw material for ferronickel smelting from low grade nickel oxide ore

KOBAYASHI HIROSHI1 citations50

SHIBAYAMA KEISUKE

1 patent
US8716177B2May 6, 2014

Production process of sulfide containing nickel and cobalt

SHIBAYAMA KEISUKE1 citations44