Inventor
Saburo Kawabata
Inventor
Yokohama, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus40%
B29CShaping or joining of plastics20%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts20%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables20%
PatentTitleYear
6,591,045'Optical cable'20036,024,319'Tension control apparatus'20006,000,209'Method and apparatus for manufacturing SZ-slot type optical fiber cable'19995,234,324'Extruder for highly foamed plastic material having a reduced diameter mixing space for introducing an inert foaming agent'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2003Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (4)· patent assignee history
1993Based in Kanagawa, JP· patent location history
1999–2003Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO ELECTRIC INDUSTRIES | 4 | 1993–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 3 | 1999–2003 |
| Kanagawa, JP | 1 | 1993 |