Inventor
Pin-Chien Liao
Inventor
Taoyuan, TW
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches36%
G06FElectric digital data processing18%
Y10TTechnical subjects covered by former us classification14%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material9%
B29CShaping or joining of plastics5%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure5%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock5%
G05GControl devices or systems insofar as characterised by mechanical features only5%
H05KPrinted circuits5%
PatentTitleYear
7,954,222'Key, X-structure and manufacturing method thereof'20117,882,609'Key, X-structure and manufacturing method thereof'20117,388,167'Keyboard structure'20087,336,368'Optical detecting module and optical detector thereof'20087,239,303'Keyboard structure'20076,582,549'Method of manufacturing a pointing stick'20036,570,556'Pointing stick device and the manufacturing method thereof'20036,441,330'Keyboard circuit using conduits within a bus for air flow'20026,396,016'Electronic component incorporating push switch and rotary encoder'20026,388,219'Computer keyboard key device made from a rigid printed circuit board'20026,379,061'Silicon cap for use in the pointing stick device'20025,763,840'Membrane switch with improved actuation sensitivity'19985,743,386'Membrane switch assembly'19985,710,397'Switch actuator for membrane switch'19985,594,214'Signal transmission flat cable'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–1998Patents assigned to ACER PERIPHERALS INC (3)· patent assignee history
1997–2007Based in Taoyuan, TW· patent location history
1998Patents assigned to ACER PHERIPHERALS INC (1)· patent assignee history
2002–2011Patents assigned to DARFON ELECTRONICS CORP (9)· patent assignee history
2002Patents assigned to ACER COMM & MULTIMEDIA INC (1)· patent assignee history
2002–2011Based in Taoyuan County, TW· patent location history
2003Patents assigned to BENQ CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DARFON ELECTRONICS CORP | 9 | 2002–2011 |
| ACER PERIPHERALS INC | 3 | 1997–1998 |
| ACER COMM & MULTIMEDIA INC | 1 | 2002 |
| ACER PHERIPHERALS INC | 1 | 1998 |
| BENQ CORP | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taoyuan, TW | 8 | 1997–2007 |
| Taoyuan County, TW | 7 | 2002–2011 |