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Inventor

Fumikatsu Yoshimura

Inventor
Mito, JP

Overview

3→
Patents
1985–2000
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Fprimary
H01FMagnets33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
PatentTitleYear
6,120,924'Perovskite-type oxide materials containing nickel and iron for air electrode and solid oxide fuel cell using the same'20004,642,245'Iron oxide magnetic film and process for fabrication thereof'19874,544,612'Iron oxide magnetic film and process for fabrication thereof'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2000Patents assigned to NIPPON TELEGRAPH & TELEPHONE (3)· patent assignee history
1985–1987Based in Mito, JP· patent location history
2000Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE31985–2000
Locations
LocationPatentsSpan
Mito, JP21985–1987
Tokyo, JP12000