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Inventor

Yoshinori Umezawa

Inventor
Ebina, JP

Overview

3→
Patents
1991–2000
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B29Cprimary
B29CShaping or joining of plastics50%
B29LIndexing scheme associated with subclass b29c, relating to particular articles33%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
6,033,204'Flat blow molding machine, flat blow method and products of flat blow molding'20005,171,044'Pipe unit'19925,049,224'Method of fabricating pipe units'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2000Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (3)· patent assignee history
1991–2000Based in Ebina, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ISHIKAWAJIMA HARIMA HEAVY IND31991–2000
Locations
LocationPatentsSpan
Ebina, JP31991–2000