Inventor

Naoki Okumura

Inventor
Yokohama, JP

Overview

1→
Patents
1978
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B21Bprimary
B21BRolling of metal50%
C21DModifying the physical structure of ferrous metals50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to NIPPON STEEL CORP (1)· patent assignee history
1978Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP11978
Locations
LocationPatentsSpan
Yokohama, JP11978