Inventor
Noboru Tsukamoto
Inventor
Okayama, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Dprimary
B22DCasting of metals38%
C04BLime, magnesia25%
F02DControlling combustion engines13%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%
H05BElectric heating13%
PatentTitleYear
9,006,623'High-frequency induction hardening apparatus for metal objects'20155,928,556'Refractory block for continuous casting'19995,687,695'Air flow rate control device of engine and draining off method thereof'19975,614,121'Refractory block for continuous casting'19974,985,378'Carbon-containing refractory and a manufacturing method therefor'19914,830,992'Carbon containing refractory'19894,756,452'Molten metal pouring nozzle'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1999Patents assigned to SHINAGAWA REFRACTORIES CO (5)· patent assignee history
1988Based in Akaiwa, JP· patent location history
1989–1999Based in Okayama, JP· patent location history
1991Based in Onoda, JP· patent location history
1997Patents assigned to HITACHI CAR ENG CO LTD (1)· patent assignee history
1997Patents assigned to HITACHI LTD (1)· patent assignee history
1997Based in Hitachinaka, JP· patent location history
2015Patents assigned to FUJI ELECTRONICS INDUSTRY CO (1)· patent assignee history
2015Patents assigned to NAGAO TAKEHIKO (1)· patent assignee history
2015Based in Yamatokoriyama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHINAGAWA REFRACTORIES CO | 5 | 1988–1999 |
| FUJI ELECTRONICS INDUSTRY CO | 1 | 2015 |
| HITACHI CAR ENG CO LTD | 1 | 1997 |
| HITACHI LTD | 1 | 1997 |
| NAGAO TAKEHIKO | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Okayama, JP | 3 | 1989–1999 |
| Yamatokoriyama, JP | 1 | 2015 |
| Hitachinaka, JP | 1 | 1997 |
| Onoda, JP | 1 | 1991 |
| Akaiwa, JP | 1 | 1988 |