Inventor

Hideo Ishizawa

Inventor

Tokyo, JP

Overview

2→

Patents

1978–1980

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.

B44Cprimary

B44CProducing decorative effects17%

B44FSpecial designs or pictures17%

C08JWorking-up17%

D06NWall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material17%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices17%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

PatentTitleYear

4,226,933'Method of manufacturing a decorative panel'1980 4,113,487'Method for manufacture of expanded articles having an embossed surface'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1980Patents assigned to TOPPAN PRINTING CO LTD (2)· patent assignee history

1978–1980Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOPPAN PRINTING CO LTD	2	1978–1980

Locations

Location	Patents	Span
Tokyo, JP	2	1978–1980