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Inventor

Masayuki Tsunaga

Inventor
Ina, JP

Overview

3→
Patents
1989–1993
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.

C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients30%
H01BCables30%
H05KPrinted circuits30%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
5,248,451'Electrically conductive copper composition'19935,045,236'Copper conductive composition'19914,888,135'Electrically conductive powder and electrically conductive composition using the same'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1993Patents assigned to MITSUI MINING & SMELTING CO (3)· patent assignee history
1989Based in Saitama, JP· patent location history
1991–1993Patents assigned to GUNEI KAGAKU KOGYO KK (2)· patent assignee history
1991–1993Based in Ina, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI MINING & SMELTING CO31989–1993
GUNEI KAGAKU KOGYO KK21991–1993
Locations
LocationPatentsSpan
Ina, JP21991–1993
Saitama, JP11989