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Inventor

Nobuhiro Tsutsui

Inventor
Okayama, JP

Overview

2→
Patents
1976–1981
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 plastics50%
B01DSeparation25%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons25%
PatentTitleYear
4,283,359'Process for producing polyacrylonitrile reverse osmotic membranes'19813,980,747'Production of synthetic resin spinnerette'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to JAPAN EXLAN CO LTD (2)· patent assignee history
1976–1981Based in Okayama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN EXLAN CO LTD21976–1981
Locations
LocationPatentsSpan
Okayama, JP21976–1981