Inventor

Yoshiji Hiraoka

Inventor

Musashino, JP

Overview

4→

Patents

1979–1987

Patent span

General tagging of new technological developments

Primary field (CPC Y)

Patents· 4 as inventor

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

B32Bprimary

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form27%

Y10TTechnical subjects covered by former us classification27%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%

D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials9%

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 material9%

LOCD39%

PatentTitleYear

4,714,650'Stainproof, flame-resistant composite sheet material'1987 4,686,135'Composite sheet material'1987 4,312,907'Water-impermeable sheet material'1982 D0253013'Horseshoe'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to HIRAOKA YOSHIJI (1)· patent assignee history

1979Based in Honcho, Kichijoji, Musashino-shi, Tokyo, JP· patent location history

1982–1987Patents assigned to HIRAOKA & CO LTD (3)· patent assignee history

1982–1987Based in Musashino, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HIRAOKA & CO LTD	3	1982–1987
HIRAOKA YOSHIJIself	1	1979

Locations

Location	Patents	Span
Musashino, JP	3	1982–1987
Honcho, Kichijoji, Musashino-shi, Tokyo, JP	1	1979