LexDanaLexDanabeta
Inventor

Keita Inose

Inventor
Amagasaki, JP

Overview

4→
Patents
2019–2020
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
F16LPipes50%
PatentTitleYear
10,774,958Threaded joint for steel pipe202010,774,598Threaded joint for steel pipes202010,495,241Threaded joint for steel pipe201910,473,241Threaded joint for steel pipes2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2020Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (4)· patent assignee history
2019–2020Patents assigned to NIPPON STEEL CORP (4)· patent assignee history
2019–2020Patents assigned to VALLOUREC OIL & GAS FRANCE (4)· patent assignee history
2019–2020Based in Amagasaki, JP· patent location history
2019–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL & SUMITOMO METAL CORP42019–2020
NIPPON STEEL CORP42019–2020
VALLOUREC OIL & GAS FRANCE42019–2020
Locations
LocationPatentsSpan
Amagasaki, JP22019–2020
Tokyo, JP22019–2020