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Inventor

Akiko Tomio

Inventor
Nishinomiya, 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.

C21Dprimary
C21DModifying the physical structure of ferrous metals50%
C22CAlloys50%
PatentTitleYear
10,280,487High alloy for oil well201910,202,675Duplex stainless steel2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (2)· patent assignee history
2019Based in Nishinomiya, JP· patent location history
2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL & SUMITOMO METAL CORP22019
Locations
LocationPatentsSpan
Nishinomiya, JP12019
Tokyo, JP12019