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Inventor

Sung-Yao Chang

Inventor
Taoyuan County, TW

Overview

1→
Patents
2004
Patent span
Electricity
Primary field (CPC H)

Patents· 1 as inventor

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

G06Qprimary
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes25%
H04LTransmission of digital information, e.g. telegraphic communication25%
H04MTelephonic communication25%
H04WWireless communication networks25%
PatentTitleYear
6,826,395'System and method for secure trading mechanism combining wireless communication and wired communication'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to TELEPAQ TECHNOLOGY INC (1)· patent assignee history
2004Based in Taoyuan County, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TELEPAQ TECHNOLOGY INC12004
Locations
LocationPatentsSpan
Taoyuan County, TW12004