Inventor
Tsung-Fa Wang
Inventor
Hsinchu, TW
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing37%
H03KPulse technique15%
H01HElectric switches11%
B23DPlaning4%
B27BSaws for wood or similar material4%
F21VFunctional features or details of lighting devices or systems thereof4%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light4%
G06KGraphical data reading4%
G06VImage or video recognition or understanding4%
H03MCoding4%
PatentTitleYear
10,659,077Amending circuit of correcting bouncing misjudgment of a keyswitch202010,649,551Pen mouse with an inclining compensation function202010,434,587Miter saw with enhanced adjustable miter angle201910,331,230Distance detecting mechanism and navigation device with distance detecting function201910,303,265Optical mouse and parameter calibration method thereof201910,297,405Keyswitch and keyboard capable of showing movement depth201910,147,561Universal circuit board for mechanical keyswitch and optical keyswitch201810,063,230Electronic switch with force feedback function201810,060,789Electronic device with high electrostatic protection20189,742,402'Keyswitch and keyboard with distance detecting function'20179,442,583'Optical mouse apparatus and data compression method used in optical mouse apparatus'20169,383,866'Image sensing apparatus, optical touch control apparatus and motion tracking apparatus utilizing the image sensing apparatus'20169,335,841'Computer readable media can perform interference image determining method and interference image determining apparatus'20169,274,999'Communication system and optical navigation device'20169,256,364'Touch control apparatus which is helpful for double click determining, and computer readable recording media for performing corresponding touch control method'20169,229,545'Optical navigation apparatus and optical navigation method'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016–2020Patents assigned to PIXART IMAGING INC (15)· patent assignee history
2016Patents assigned to CHANG YEN-MIN (1)· patent assignee history
2016Patents assigned to CHEN HSIN-CHIA (1)· patent assignee history
2016Patents assigned to CHUNG CHING-LIN (1)· patent assignee history
2016Patents assigned to HUANG YU-HAO (1)· patent assignee history
2016–2020Based in Hsinchu, TW· patent location history
2016–2018Based in Hsinchu County, TW· patent location history
2019Based in Taichung, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PIXART IMAGING INC | 15 | 2016–2020 |
| CHANG YEN-MIN | 1 | 2016 |
| CHEN HSIN-CHIA | 1 | 2016 |
| CHUNG CHING-LIN | 1 | 2016 |
| HUANG YU-HAO | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hsinchu, TW | 13 | 2016–2020 |
| Hsinchu County, TW | 2 | 2016–2018 |
| Taichung, TW | 1 | 2019 |