Inventor
Keihachiro Nakajima
Inventor
Yokohama, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia43%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials29%
D21HPulp compositions29%
PatentTitleYear
5,922,300'Process for producing silicon carbide fibers'19995,676,918'Method of producing silicon carbide fibers'19975,618,510'Process for producing silicon carbide material'19975,158,646'Process for modifying hydrophilic fibers with substantially water-insoluble inorganic substance'19925,122,230'Process for modifying hydrophilic fibers with substantially water-insoluble inorganic substance'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1999Patents assigned to OJI PAPER CO (4)· patent assignee history
1992Based in Tokyo, JP· patent location history
1997Patents assigned to NEW OJI PAPER CO LTD (1)· patent assignee history
1997–1999Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OJI PAPER CO | 4 | 1992–1999 |
| NEW OJI PAPER CO LTD | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 3 | 1997–1999 |
| Tokyo, JP | 2 | 1992 |