Inventor

Hung-Wen Tsai

Inventor

Taichung, TW

Overview

1998–2020

Patent span

Performing operations

Primary field (CPC B)

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

C23Cprimary

C23CCoating metallic material18%

LOC2518%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%

B65BMachines, apparatus or devices for, or methods of, packaging articles or materials9%

E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like9%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact9%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application9%

H05KPrinted circuits9%

Y10TTechnical subjects covered by former us classification9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1998–2004Based in Taichung, TW· patent location history

2004Patents assigned to STRONG WAY UNITED CO LTD (1)· patent assignee history

2014Patents assigned to TSAI HUNG-WEN (1)· patent assignee history

2014–2020Based in Yunlin County, TW· patent location history

2020Patents assigned to TRUSVAL TECH CO LTD (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Taichung, TW	4	1998–2004
Yunlin County, TW	2	2014–2020