Inventor
Tsutomo Obayashi
Inventor
Tokyo, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B29Cprimary
B29CShaping or joining of plastics20%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form20%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials20%
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 material20%
D10BIndexing scheme associated with sublasses of section d, relating to textiles20%
PatentTitleYear
4,696,830'Process for preparation of water-proof sheets'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to HIRAOKA & CO LTD (1)· patent assignee history
1987Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HIRAOKA & CO LTD | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 1 | 1987 |