LexDanaLexDanabeta
Inventor

Nobuyasu Hatsuoka

Inventor
Itami, JP

Overview

3→
Patents
1977–1983
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.

C22Cprimary
C22CAlloys60%
C21DModifying the physical structure of ferrous metals40%
PatentTitleYear
4,409,026'Spring steel for vehicles'19834,123,296'High strength steel rod of large gauge'19784,046,600'Method of producing large diameter steel rods'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1983Patents assigned to KOBE STEEL LTD (3)· patent assignee history
1977Based in Gogatsuka, JA· patent location history
1978–1983Based in Itami, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOBE STEEL LTD31977–1983
Locations
LocationPatentsSpan
Itami, JP21978–1983
Gogatsuka, JA11977