Inventor
Keisuke Shibayama
Inventor
Tokyo, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Bprimary
C22BProduction and refining of metals38%
Y02PClimate change mitigation technologies in the production or processing of goods29%
C01GCompounds containing metals not covered by subclasses c01d or c01f17%
C02FTreatment of water, waste water, sewage, or sludge8%
B02CCrushing, pulverising, or disintegrating in general4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
PatentTitleYear
10,442,715Chromium-containing water treatment method201910,017,835Method for producing nickel sulfide and hydrometallurgical method for nickel oxide ore20189,719,153'Method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical process'20179,561,972'Method for effluent treatment in smelting of nickel oxide ore'20179,410,226'Ore slurry production method and metal refining method'20168,911,531'Hydrometallurgical plant of nickel laterite ore and operation method thereof'20148,747,787'Method for producing raw material for ferronickel smelting from low grade nickel oxide ore'20148,716,177'Production process of sulfide containing nickel and cobalt'20148,343,447'Hydrometallurgical process for a nickel oxide ore'20137,964,165'Separation method for zinc sulfide'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2019Patents assigned to SUMITOMO METAL MINING CO (10)· patent assignee history
2011–2019Based in Tokyo, JP· patent location history
2013–2014Patents assigned to SHIBAYAMA KEISUKE (4)· patent assignee history
2013–2014Patents assigned to NAKAI OSAMU (3)· patent assignee history
2013–2014Patents assigned to OZAKI YOSHITOMO (3)· patent assignee history
2014Patents assigned to HEGURI SHINICHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO METAL MINING CO | 10 | 2011–2019 |
| SHIBAYAMA KEISUKEself | 4 | 2013–2014 |
| NAKAI OSAMU | 3 | 2013–2014 |
| OZAKI YOSHITOMO | 3 | 2013–2014 |
| HEGURI SHINICHI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 10 | 2011–2019 |