Inventor

Pie-Yau Chien

Inventor
Taichung, TW

Overview

9→
Patents
2002–2011
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

G01Sprimary
G01SRadio direction-finding58%
G01BMeasuring length, thickness or similar linear dimensions17%
G01CMeasuring distances, levels or bearings17%
G02BOptical elements, systems or apparatus8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2011Patents assigned to ASIA OPTICAL CO INC (8)· patent assignee history
2002Based in Taiwan, TW· patent location history
2004Patents assigned to ASIAN OPTICAL CO LTD (1)· patent assignee history
2004–2011Based in Taichung, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASIA OPTICAL CO INC82002–2011
ASIAN OPTICAL CO LTD12004
Locations
LocationPatentsSpan
Taichung, TW82004–2011
Taiwan, TW12002