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Inventor

Sho Shirai

Inventor
Tokyo, JP

Overview

2→
Patents
2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C22Bprimary
C22BProduction and refining of metals50%
C02FTreatment of water, waste water, sewage, or sludge25%
Y02PClimate change mitigation technologies in the production or processing of goods25%
PatentTitleYear
10,442,715Chromium-containing water treatment method201910,351,929Sulfuric acid adding facility and operation method therefor2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019Patents assigned to SUMITOMO METAL MINING CO (2)· patent assignee history
2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO METAL MINING CO22019
Locations
LocationPatentsSpan
Tokyo, JP22019