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Inventor

Hwai Sian Tsai

Inventor
Taipei, TW

Overview

3→
Patents
2020–2021
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G06Fprimary
G06FElectric digital data processing17%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes17%
G07FCoin-freed or like apparatus17%
G09GArrangements or circuits for control of indicating devices using static means to present variable information17%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems17%
H04LTransmission of digital information, e.g. telegraphic communication17%
PatentTitleYear
RE048707System and method for a secure display module202111,062,299System and method for indicating entry of personal identification number202110,680,524Fast-charging voltage generator2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to RICHWAVE TECHNOLOGY CORP (1)· patent assignee history
2020Based in Taipei, TW· patent location history
2021Patents assigned to BBPOS LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BBPOS LTD22021
RICHWAVE TECHNOLOGY CORP12020
Locations
LocationPatentsSpan
Taipei, TW12020