Inventor

Keiji Azuma

Inventor

Tokyo, JP

Overview

1981–2015

Patent span

Performing operations

Primary field (CPC B)

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

H05Kprimary

H05KPrinted circuits21%

Y10TTechnical subjects covered by former us classification21%

B29CShaping or joining of plastics7%

B29LIndexing scheme associated with subclass b29c, relating to particular articles7%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for7%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%

E05BLocks7%

H02JElectric power networks7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981–1995Patents assigned to SUMITOMO BAKELITE CO (4)· patent assignee history

1981Based in Matsudo, JP· patent location history

1994–1995Patents assigned to CIRCUIT FOIL JAPAN (3)· patent assignee history

1994–1995Based in Tokyo, JP· patent location history

1994Based in Utsunomiya, JP· patent location history

2015Patents assigned to PANASONIC CORP (1)· patent assignee history

2015Patents assigned to PANASONIC IP MAN CO LTD (1)· patent assignee history

2015Based in Mie, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations