Inventor

Shigeo Sumi

Inventor
Saitama, JP

Overview

23→
Patents
1982–1996
Patent span
Performing operations
Primary field (CPC B)

Patents· 23 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification25%
H05KPrinted circuits17%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form12%
B29CShaping or joining of plastics11%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices11%
B26DCutting6%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
B26FPerforating1%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to SOMAR MFG (1)· patent assignee history
1982–1992Based in Hasuda, JP· patent location history
1989–1996Patents assigned to SOMAR CORP (21)· patent assignee history
1989–1996Based in Saitama, JP· patent location history
1990Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SOMAR CORP211989–1996
SOMAR MFG11982
Locations
LocationPatentsSpan
Saitama, JP201989–1996
Hasuda, JP21982–1992
Tokyo, JP11990