LexDanaLexDanabeta
Inventor

Naoichi Yamamoto

Inventor
Osaka, JP

Overview

2→
Patents
1992–1993
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H10Nprimary
H10NElectric solid-state devices not otherwise provided for40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests40%
C04BLime, magnesia20%
PatentTitleYear
5,229,035'Bi-Pb-Sr-Ca-Cu-O system superconductors'19935,173,475'Bi-Pb-Sr-Ba-Ca-Cu-O system superconductor'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1993Patents assigned to KOBE STEEL LTD (2)· patent assignee history
1992–1993Patents assigned to NEC CORP (2)· patent assignee history
1992–1993Patents assigned to OSAKA CEMENT (2)· patent assignee history
1992–1993Patents assigned to SEISAN KAIHATSU KAGAKU KENKYUS (2)· patent assignee history
1992–1993Patents assigned to TODA KOGYO CORP (2)· patent assignee history
1992Based in Suita, JP· patent location history
1993Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOBE STEEL LTD21992–1993
NEC CORP21992–1993
OSAKA CEMENT21992–1993
SEISAN KAIHATSU KAGAKU KENKYUS21992–1993
TODA KOGYO CORP21992–1993
Locations
LocationPatentsSpan
Osaka, JP11993
Suita, JP11992