Inventor

Li-Cheng Richard Zai

Inventor
Los Gatos, CA, US

Overview

17→
Patents
1995–2021
Patent span
Physics
Primary field (CPC G)

Patents· 17 as inventor

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

G01Rprimary
G01RMeasuring electric variables28%
G06KGraphical data reading28%
G01SRadio direction-finding16%
H04LTransmission of digital information, e.g. telegraphic communication12%
H04BTransmission4%
H04MTelephonic communication4%
H04WWireless communication networks4%
Y10TTechnical subjects covered by former us classification4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1998Patents assigned to IBM (7)· patent assignee history
1995–1997Based in Tarrytown, NY, US· patent location history
1996–1999Based in Ossining, NY, US· patent location history
2000–2002Patents assigned to INTERMEC IP CORP (4)· patent assignee history
2000Based in San Jose, CA, US· patent location history
2002–2011Based in Los Gatos, CA, US· patent location history
2007–2014Patents assigned to ZAI LI-CHENG RICHARD (3)· patent assignee history
2014–2021Based in Taipei, TW· patent location history
2020–2021Patents assigned to CHEN KUAN HUNG (2)· patent assignee history
2020–2021Patents assigned to ZAI LI CHENG RICHARD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM71995–1998
INTERMEC IP CORP42000–2002
ZAI LI-CHENG RICHARDself32007–2014
CHEN KUAN HUNG22020–2021
ZAI LI CHENG RICHARDself22020–2021
Locations
LocationPatentsSpan
Los Gatos, California, US52002–2011
Ossining, New York, US51996–1999
Taipei, TW32014–2021
Tarrytown, New York, US31995–1997
San Jose, California, US12000