Inventor
Tsutomu Fukushima
Inventor
Yokohama, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys9%
A01KAnimal husbandry6%
A61FFilters implantable into blood vessels6%
F27BFurnaces, kilns, ovens or retorts in general6%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace6%
G02CSpectacles6%
A61KPreparations for medical, dental or toiletry purposes3%
A61MDevices for introducing media into, or onto, the body3%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations3%
B01DSeparation3%
PatentTitleYear
10,967,732Fuel tank20219,921,419'Annular device'20189,486,362'Ring-shaped device'20166,084,903'Method for melting incineration residue and apparatus therefor'20005,267,408'Otter board'19934,894,946'Otter board'19904,889,697'Method of refining ferrous ion-containing acid solution'19894,515,352'Rotary furnace used for the production of ferrochromium'19854,414,026'Method for the production of ferrochromium'19834,412,862'Method for the production of ferrochromium'19834,378,993'Method and apparatus for measuring height level of melting zone in blast furnace'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–2000Patents assigned to NIPPON KOKAN KK (6)· patent assignee history
1983–2000Based in Yokohama, JP· patent location history
1989–2016Based in Tokyo, JP· patent location history
1990–1993Patents assigned to NICHIMO KK (2)· patent assignee history
1990–1993Based in Shimonoseki, JP· patent location history
2016–2018Patents assigned to SEED CO LTD (2)· patent assignee history
2016–2018Patents assigned to SENJU PHARMA CO (2)· patent assignee history
2016Patents assigned to FUKUSHIMA TSUTOMU (1)· patent assignee history
2018Based in Osaka, JP· patent location history
2021Based in Wako, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON KOKAN KK | 6 | 1983–2000 |
| NICHIMO KK | 2 | 1990–1993 |
| SEED CO LTD | 2 | 2016–2018 |
| SENJU PHARMA CO | 2 | 2016–2018 |
| FUKUSHIMA TSUTOMUself | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 1983–2000 |
| Tokyo, JP | 2 | 1989–2016 |
| Shimonoseki, JP | 2 | 1990–1993 |
| Wako, JP | 1 | 2021 |
| Osaka, JP | 1 | 2018 |