Inventor
Hiroyuki Danjo
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G07Fprimary
G07FCoin-freed or like apparatus60%
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%
C21BManufacture of iron or steel10%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel10%
PatentTitleYear
6,669,561'Game machine'20036,506,116'Game machine'20036,287,194'Gaming machine'20016,206,781'Game machine with reel light control means'20016,174,233'Game machine'20016,106,393'Game machine'20004,390,166'Hot-gunning method for repairing converters'19834,120,488'Stamping apparatus for applying lining material to iron runners'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1983Patents assigned to SHINAGAWA REFRACTORIES CO (2)· patent assignee history
1978Based in Bizen, JP· patent location history
1983Patents assigned to SUMITOMO METAL IND (1)· patent assignee history
1983Based in Okayama, JP· patent location history
2000–2003Patents assigned to UNIVERSAL SALES CO LTD (4)· patent assignee history
2000–2003Based in Tokyo, JP· patent location history
2001Patents assigned to ARUZE CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIVERSAL SALES CO LTD | 4 | 2000–2003 |
| ARUZE CORP | 2 | 2001 |
| SHINAGAWA REFRACTORIES CO | 2 | 1978–1983 |
| SUMITOMO METAL IND | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2000–2003 |
| Okayama, JP | 1 | 1983 |
| Bizen, JP | 1 | 1978 |