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Inventor

Ryohei Hazawa

Inventor
Tokyo, JP

Overview

2→
Patents
1993–1996
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B29Cprimary
B29CShaping or joining of plastics100%
PatentTitleYear
5,540,581'Mold for injection molding a thermoplastic part free from sink marks using a void inducing member'19965,232,654'Injection molding method for manufacturing a thermoplastic part free from sink marks using a void inducing member'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1996Patents assigned to NIPPON STEEL CHEMICAL CO (2)· patent assignee history
1993–1996Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CHEMICAL CO21993–1996
Locations
LocationPatentsSpan
Tokyo, JP21993–1996