IP Library Assignment 013331/0426
Patent Assignment
Reel/Frame 013331/0426

Assignment of Assignor's Interest

Recorded: 2002-09-25 Pages: 4
Assignors
CHAO, CHING-CHUAN
Executed: 2002-09-16
HSU, CHUNG-WEN
Executed: 2002-09-16
Assignee
AIPTEK INTERNATIONAL INC.
3F, NO. 5-1, INNOVATION RD. I, SCIENCE-BASED INDUSTRIAL PARK, HSIN-CHU, R.O.C., TAIWAN
Covered Property (1)
Electromagnetic Inductive System with Multi-Induction Loop Layout and Battery Less Pointer Device and Its Method for Locating the Coordinate
Patent: 7,358,964 →
Application: 10/253,874 →
Publication: US 2004/0055793
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 7, 2006
From: AIPTEK INTERNATIONAL INC.
To: WALTOP INTERNATIONAL CORP.
Reel/Frame 017312/0677 →
Assignment of Assignor's Interest Mar 20, 2015
From: WALTOP INTERNATIONAL CORPORATION
To: WACOM CO., LTD.
Reel/Frame 035236/0409 →