LexDanaLexDanabeta
Inventor

Nobuaki KOMATSUBARA

Inventor
JP

Overview

3→
Patents
2024–2025
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 metals43%
C22CAlloys43%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form14%
PatentTitleYear
12,371,765Seamless steel pipe suitable for use in sour environment202511,905,580Seamless steel pipe suitable for use in sour environment202411,891,680Steel material suitable for use in sour environment2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2025Patents assigned to NIPPON STEEL CORP (3)· patent assignee history
2024–2025Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP32024–2025
Locations
LocationPatentsSpan
JP32024–2025