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Inventor

Akihiko Tanizawa

Inventor
Fukuyama, JP

Overview

2→
Patents
2015
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 metals29%
C22CAlloys29%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling14%
B23KSoldering or unsoldering14%
F17DPipe-line systems14%
PatentTitleYear
9,181,609'Welded steel pipe for linepipe having high compressive strength and excellent sour gas resistance and manufacturing method thereof'20159,089,919'Welded steel pipe for linepipe with high compressive strength and manufacturing method thereof'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to HORIE MASAYUKI (2)· patent assignee history
2015Patents assigned to ISHIKAWA NOBUYUKI (2)· patent assignee history
2015Patents assigned to JFE STEEL CORP (2)· patent assignee history
2015Patents assigned to KIYOTO YASUMITSU (2)· patent assignee history
2015Patents assigned to SUEYOSHI HITOSHI (2)· patent assignee history
2015Based in Fukuyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HORIE MASAYUKI22015
ISHIKAWA NOBUYUKI22015
JFE STEEL CORP22015
KIYOTO YASUMITSU22015
SUEYOSHI HITOSHI22015
Locations
LocationPatentsSpan
Fukuyama, JP22015