Inventor · disambiguated record
Keisuke Shibayama
Also filed as: SHIBAYAMA KEISUKE
10 granted patents·1 pending application·21 citations·filing 2009–2015
83Inventor score
Top patents by PatentIndex Score
11 records- 0188US7964165B2Separation method for zinc sulfideSUMITOMO METAL MINING CO·Filed 2009·Granted Jun 21, 2011·10 cites·12 claims
- 0282US8343447B2Hydrometallurgical process for a nickel oxide oreSUMITOMO METAL MINING CO·Filed 2009·Granted Jan 1, 2013·4 cites·8 claims
- 0378US9410226B2Ore slurry production method and metal refining methodSUMITOMO METAL MINING CO·Filed 2012·Granted Aug 9, 2016·2 cites·11 claims
- 0473US8911531B2Hydrometallurgical plant of nickel laterite ore and operation method thereofNAKAI OSAMU·Filed 2010·Granted Dec 16, 2014·3 cites·18 claims
- 0570US8747787B2Method for producing raw material for ferronickel smelting from low grade nickel oxide oreKOBAYASHI HIROSHI·Filed 2011·Granted Jun 10, 2014·1 cites·13 claims
- 0662US8716177B2Production process of sulfide containing nickel and cobaltSHIBAYAMA KEISUKE·Filed 2009·Granted May 6, 2014·1 cites·8 claims
- 0760US9719153B2Method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical processSUMITOMO METAL MINING CO·Filed 2013·Granted Aug 1, 2017·0 cites·7 claims
- 0858US9561972B2Method for effluent treatment in smelting of nickel oxide oreSUMITOMO METAL MINING CO·Filed 2013·Granted Feb 7, 2017·0 cites·5 claims
- 0958US2010028227A1Hydrometallurgical process for nickel oxide oreSUMITOMO METAL MINING CO·Filed 2009·Application pending·0 cites
- 1049US10442715B2Chromium-containing water treatment methodSUMITOMO METAL MINING CO·Filed 2015·Granted Oct 15, 2019·0 cites·5 claims
- 1145US10017835B2Method for producing nickel sulfide and hydrometallurgical method for nickel oxide oreSUMITOMO METAL MINING CO·Filed 2015·Granted Jul 10, 2018·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Keisuke Shibayama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →