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Inventor

Tomoaki Sera

Inventor
Nishinomiya, JP

Overview

3→
Patents
2002–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals20%
C22CAlloys20%
B22DCasting of metals13%
Y10TTechnical subjects covered by former us classification13%
B21JForging7%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels7%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel7%
C22BProduction and refining of metals7%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys7%
PatentTitleYear
10,144,057Method for manufacturing forged steel roll20186,478,898'Method of producing tool steels'20026,479,013'Casting components made from a tool steel'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to SUMITOMO METAL IND (2)· patent assignee history
2002Based in Nishinomiya, JP· patent location history
2018Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (1)· patent assignee history
2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO METAL IND22002
NIPPON STEEL & SUMITOMO METAL CORP12018
Locations
LocationPatentsSpan
Nishinomiya, JP22002
Tokyo, JP12018