Inventor
Tatsuya Okamura
Inventor
Tokyo, JP
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification29%
B28BShaping clay or other ceramic compositions14%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables14%
C03CChemical composition of glasses, glazes or vitreous enamels14%
C04BLime, magnesia14%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons14%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984Patents assigned to NIPPON CARBON CO LTD (1)· patent assignee history
1984Based in Kobe, JP· patent location history
2005Patents assigned to SUMITOMO OSAKA CEMENT CO LTD (1)· patent assignee history
2005Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON CARBON CO LTD | 1 | 1984 |
| SUMITOMO OSAKA CEMENT CO LTD | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 1 | 2005 |
| Kobe, JP | 1 | 1984 |