Inventor

Sadakazu Masuda

Inventor
Tokyo, JP

Overview

11→
Patents
1990–2004
Patent span
Performing operations
Primary field (CPC B)

Patents· 11 as inventor

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

B21Bprimary
B21BRolling of metal50%
B21JForging18%
Y10TTechnical subjects covered by former us classification14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
B22DCasting of metals5%
C21DModifying the physical structure of ferrous metals5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2004Patents assigned to NIPPON KOKAN KK (11)· patent assignee history
1990–2004Based in Tokyo, JP· patent location history
1999Based in Fukuyama, JP· patent location history
2001–2004Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (4)· patent assignee history
2002Patents assigned to ISHIKAWAJMA HARIMA HEAVY IND C (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON KOKAN KK111990–2004
ISHIKAWAJIMA HARIMA HEAVY IND42001–2004
ISHIKAWAJMA HARIMA HEAVY IND C12002
Locations
LocationPatentsSpan
Tokyo, JP91990–2004
Fukuyama, JP21999