LexDanaLexDanabeta
Inventor

Kwai-Yung B. Su

Inventor
Hockessin, DE, US

Overview

3→
Patents
1990–2005
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 3 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification22%
A46BBrushes11%
A46DManufacture of brushes11%
B29CShaping or joining of plastics11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
C08JWorking-up11%
G11BInformation storage based on relative movement between record carrier and transducer11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
6,871,374'Low friction toothbrush'20054,901,167'Loop bin'19904,892,772'Fiber reinforced resin sheets'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2005Patents assigned to DU PONT (2)· patent assignee history
1990Patents assigned to OTARI ELECTRIC CO LTD (1)· patent assignee history
1990Based in Hockessin, DE, US· patent location history
2005Based in Wilmington, DE, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU PONT21990–2005
OTARI ELECTRIC CO LTD11990
Locations
LocationPatentsSpan
Hockessin, Delaware, US21990
Wilmington, Delaware, US12005