Inventor

Kotoji Ando

Inventor

Fujisawa, JP

Overview

2003

Patent span

General tagging of new technological developments

Primary field (CPC Y)

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

C21Dprimary

C21DModifying the physical structure of ferrous metals25%

F16FSprings25%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%

Y10TTechnical subjects covered by former us classification25%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to NHK SPRING CO LTD (1)· patent assignee history

2003Based in Fujisawa, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NHK SPRING CO LTD	1	2003

Locations

Location	Patents	Span
Fujisawa, JP	1	2003