Inventor
Tsutomu Obayashi
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification27%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form23%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials12%
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 material12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
B29CShaping or joining of plastics4%
C09JAdhesives4%
D10BIndexing scheme associated with sublasses of section d, relating to textiles4%
H05KPrinted circuits4%
PatentTitleYear
4,749,625'Amorphous metal laminate sheet'19884,714,650'Stainproof, flame-resistant composite sheet material'19874,686,135'Composite sheet material'19874,678,681'Process for preparation of water-proof sheets'19874,410,575'Lap welding method for textile fabrics'19834,324,827'Water-proof, fuse-bonding fabric'19824,312,907'Water-impermeable sheet material'19824,298,645'Tarpaulins having great tearing strength'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1988Patents assigned to HIRAOKA & CO LTD (8)· patent assignee history
1981Based in Kanamachi, JP· patent location history
1982–1988Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HIRAOKA & CO LTD | 8 | 1981–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 1982–1988 |
| Kanamachi, JP | 1 | 1981 |