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Inventor

Hiroki Kamitani

Inventor
Tokyo, JP

Overview

3→
Patents
2019–2021
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 metals33%
C22CAlloys33%
B21BRolling of metal11%
F16LPipes11%
Y02PClimate change mitigation technologies in the production or processing of goods11%
PatentTitleYear
11,078,558Steel material, oil-well steel pipe, and method for producing steel material202111,066,718Method of manufacturing stainless pipe for oil wells and stainless steel pipe for oil wells202110,487,373Steel pipe for line pipe and method of manufacturing the same2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2021Patents assigned to NIPPON STEEL CORP (3)· patent assignee history
2019–2021Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (2)· patent assignee history
2019Based in Wakayama, JP· patent location history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP32019–2021
NIPPON STEEL & SUMITOMO METAL CORP22019–2021
Locations
LocationPatentsSpan
Tokyo, JP22021
Wakayama, JP12019