Inventor
Hayashi Takahashi
Inventor
Shizuoka, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D01Fprimary
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons38%
Y10TTechnical subjects covered by former us classification31%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials23%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons8%
PatentTitleYear
6,736,856'Crosslinked acrylic moisture absorbing fibers and production methods thereof'20045,286,563'Acrylic fiber strand suitable for use in carbon fiber production and process for producing the same'19944,898,700'Process for producing preoxidized fibers from acrylic fibers'19904,869,856'Method for producing carbon fibers from acrylonitrile fiber strands'19894,659,623'Acrylic fibers for producing preoxidized fibers'19874,536,448'Preoxidized fiber and process for producing the same'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1987Patents assigned to TOHO BESLON CO (2)· patent assignee history
1985Patents assigned to MIYATAKE FUMIO (1)· patent assignee history
1985Patents assigned to OKABE TETUYA (1)· patent assignee history
1985Patents assigned to SHIGEI TETSURO (1)· patent assignee history
1985Based in Shizuoka-shi, JP· patent location history
1987–2004Based in Shizuoka, JP· patent location history
1989–1994Patents assigned to TOHO RAYON KK (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOHO RAYON KK | 3 | 1989–1994 |
| TOHO BESLON CO | 2 | 1985–1987 |
| MIYATAKE FUMIO | 1 | 1985 |
| OKABE TETUYA | 1 | 1985 |
| SHIGEI TETSURO | 1 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shizuoka, JP | 5 | 1987–2004 |
| Shizuoka-shi, JP | 1 | 1985 |