Inventor
Yoshio Yasuda
Inventor
Bizen, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia20%
F27BFurnaces, kilns, ovens or retorts in general20%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace20%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%
Y10TTechnical subjects covered by former us classification20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to VEITSCHER MAGNESITWERKE AG (1)· patent assignee history
1982–1992Based in Bizen, JP· patent location history
1992Patents assigned to SHINAGAWA REFRACTORIES CO (1)· patent assignee history
2008Patents assigned to SEKIYUSHIGEN KAIHSTSU KABUSHIK (1)· patent assignee history
2008Based in Funabashi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEKIYUSHIGEN KAIHSTSU KABUSHIK | 1 | 2008 |
| SHINAGAWA REFRACTORIES CO | 1 | 1992 |
| VEITSCHER MAGNESITWERKE AG | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bizen, JP | 2 | 1982–1992 |
| Funabashi, JP | 1 | 2008 |