Inventor
Chien-Cheng Yang
Inventor
Taipei, TW
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Kprimary
F21KNon-electric light sources using luminescence12%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted12%
H03HImpedance networks, e.g. resonant circuits12%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers12%
F21VFunctional features or details of lighting devices or systems thereof8%
H05BElectric heating8%
H05KPrinted circuits8%
H10HInorganic light-emitting semiconductor devices having potential barriers8%
G02BOptical elements, systems or apparatus4%
G09GArrangements or circuits for control of indicating devices using static means to present variable information4%
PatentTitleYear
9,414,154'Water-repellent earphone'20168,587,184'Tuning fork quartz crystal resonator including concave of continous curved surface on base'20138,569,938'Tuning fork quartz crystal resonator including recess on base'20138,400,049'Tuning fork quartz crystal resonator'20138,027,501'Headphone'20117,971,338'Fabricating method for earphone'20117,973,330'Substrate-free light emitting diode'20117,871,836'Method of manufacturing bendable solid state lighting'20117,682,855'Fabrication method of substrate-free light emitting diode'20107,626,208'Bendable solid state planar light source structure'20097,381,995'Lighting device with flipped side-structure of LEDs'20087,242,153'Pulse width modulation inverter circuit and control method thereof'20077,098,612'Frequency synchronization device for LCD lamps'20066,945,710'Optical sub-assembly module for suppressing optical back-reflection and effectively guiding light from light source to optical waveguide'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2013Patents assigned to YANG CHIEN-CHENG (2)· patent assignee history
2005–2011Based in Taipei, TW· patent location history
2006–2007Patents assigned to BEYOND INNOVATION TECH CO LTD (2)· patent assignee history
2006Based in Taoyuan, TW· patent location history
2007Based in Taoyuan County, TW· patent location history
2008–2011Patents assigned to IND TECH RES INST (5)· patent assignee history
2011Patents assigned to MERRY ELECTRONICS CO LTD (2)· patent assignee history
2011–2016Based in Taichung, TW· patent location history
2013Patents assigned to WAFER MEMS CO LTD (3)· patent assignee history
2013Based in Hsinchu County, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IND TECH RES INST | 5 | 2008–2011 |
| WAFER MEMS CO LTD | 3 | 2013 |
| BEYOND INNOVATION TECH CO LTD | 2 | 2006–2007 |
| MERRY ELECTRONICS CO LTD | 2 | 2011 |
| YANG CHIEN-CHENGself | 2 | 2005–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taipei, TW | 6 | 2005–2011 |
| Taichung, TW | 3 | 2011–2016 |
| Hsinchu County, TW | 3 | 2013 |
| Taoyuan County, TW | 1 | 2007 |
| Taoyuan, TW | 1 | 2006 |