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Inventor

Toshio Kaya

Inventor
Iwakuni, JP

Overview

3→
Patents
1977–1989
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 3 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y10TTechnical subjects covered by former us classification20%
B26FPerforating10%
B29CShaping or joining of plastics10%
D21JFibreboard10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
PatentTitleYear
4,828,640'Method of producing films using a peeling jig'19894,797,177'Method of cutting an organic membrane'19894,008,024'Apparatus for production of gas-permeable seamless pipes'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1989Patents assigned to MITSUI PETROCHEMICAL IND (3)· patent assignee history
1977–1989Based in Iwakuni, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI PETROCHEMICAL IND31977–1989
Locations
LocationPatentsSpan
Iwakuni, JP31977–1989