Inventor

Tsutomu Fukushima

Inventor
Yokohama, JP

Overview

11→
Patents
1983–2021
Patent span
Chemistry
Primary field (CPC C)

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%

Career & 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
AssigneePatentsSpan
NIPPON KOKAN KK61983–2000
NICHIMO KK21990–1993
SEED CO LTD22016–2018
SENJU PHARMA CO22016–2018
FUKUSHIMA TSUTOMUself12016
Locations
LocationPatentsSpan
Yokohama, JP51983–2000
Tokyo, JP21989–2016
Shimonoseki, JP21990–1993
Wako, JP12021
Osaka, JP12018