Inventor

Tamio Ishiai

Inventor

Wakayama, JP

Overview

3→

Patents

1976–1980

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.

Y10Sprimary

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests27%

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 material18%

Y10TTechnical subjects covered by former us classification18%

B24DTools for grinding, buffing or sharpening9%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%

C08JWorking-up9%

PatentTitleYear

4,221,572'Abrasive material having a polycarbodiimide and polyurethane resin binder'1980 4,102,719'Process for producing artificial leather'1978 3,959,049'Process for production of artificial leathers having air permeability'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to NIPPON CLOTH INDUSTRY CO LTD (1)· patent assignee history

1976–1980Based in Wakayama, JP· patent location history

1978Patents assigned to DYNIC CORP (1)· patent assignee history

1980Patents assigned to KAO CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DYNIC CORP	1	1978
KAO CORP	1	1980
NIPPON CLOTH INDUSTRY CO LTD	1	1976

Locations

Location	Patents	Span
Wakayama, JP	3	1976–1980