Inventor
Yao-Ching Tsai
Inventor
Taoyuan, TW
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer42%
B01DSeparation11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
C07DHeterocyclic compounds11%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%
B25JManipulators5%
C07CAcyclic or carbocyclic compounds5%
H05KPrinted circuits5%
PatentTitleYear
9,902,700'Method and system for preparing caprolactam'20189,579,805'Brake device of robot arm'20179,518,024'Method and system for preparing caprolactam'20169,012,679'Method for continuously preparing carboxylic acid ester'20158,272,004'Optical disc clamping device'20128,220,011'Protection cover of pick-up head'20128,220,009'Protection device of slot-in optical disk drive'20128,082,558'Slot-in optical disk drive for loading/unloading an optical disk'20118,024,750'Lift device of a slot-in disk drive'20117,934,225'Slot-in disk drive device and method'20117,900,220'Slot-in disk drive device'20117,706,119'Electrostatic discharge protection apparatus'20107,611,295'Electric dust-proof device'20097,520,687'Lens cover apparatus for camera'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009Patents assigned to ASIA OPTICAL CO INC (2)· patent assignee history
2009Based in Taichung, TW· patent location history
2010–2017Patents assigned to QUANTA STORAGE INC (9)· patent assignee history
2010–2017Based in Taoyuan, TW· patent location history
2011–2012Patents assigned to TSAI YAO-CHING (4)· patent assignee history
2011–2012Patents assigned to WU JEN-CHEN (4)· patent assignee history
2011–2012Based in Taoyuan County, TW· patent location history
2012Based in Guishan Township, TW· patent location history
2015–2016Patents assigned to CHINA PETROCHEMICAL DEV CORP (2)· patent assignee history
2015–2018Based in Taipei, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QUANTA STORAGE INC | 9 | 2010–2017 |
| TSAI YAO-CHINGself | 4 | 2011–2012 |
| WU JEN-CHEN | 4 | 2011–2012 |
| ASIA OPTICAL CO INC | 2 | 2009 |
| CHINA PETROCHEMICAL DEV CORP | 2 | 2015–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taoyuan, TW | 4 | 2010–2017 |
| Taoyuan County, TW | 4 | 2011–2012 |
| Taipei, TW | 3 | 2015–2018 |
| Taichung, TW | 2 | 2009 |
| Guishan Township, TW | 1 | 2012 |