Inventor
Hung-Jen Chen
Inventor
Tu-Cheng, TW
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Qprimary
H01QAntennas, i.e. radio aerials18%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
H01JElectric discharge tubes or discharge lamps9%
LOC149%
Y10TTechnical subjects covered by former us classification7%
G02BOptical elements, systems or apparatus5%
B01DSeparation4%
B01LChemical or physical laboratory apparatus for general use4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons4%
PatentTitleYear
10,379,075Sample collection device and manufacturing method thereof201910,309,875Sample collection component and manufacturing method thereof201910,267,713Sample preparation system and preparation method for an electron microscope201910,148,867Camera auto-focus apparatus for performing lens position compensation to determine focused lens position and related camera auto-focus method20189,851,446GNSS receiver and method for determining whether to switch from one operation state to another operation state according to state switching criterion and positioning information20179,835,530Manufacturing method of embedded sample block and sample sheet20179,778,151'Sample collection device and sample collection device array'20179,729,776'Camera auto-focus apparatus for performing lens position compensation to determine focused lens position and related camera auto-focus method'20179,371,605'Method for manufacturing conductive fabric'20169,019,158'GNSS receiver and method for determining whether to switch from one operation state to another operation state according to state switching criterion and positioning information'20158,685,191'Transfer method using thermal transfer film'20148,687,827'Micro-electro-mechanical system microphone chip with expanded back chamber'20148,491,825'Process of making natural tourmaline fiber and filter'20138,231,968'Natural tourmaline anion fiber and filter and producing method'20128,047,780'Assembled fan frame'20117,965,239'Antenna structure'20117,939,165'Protective sheet and method for manufacturing the same'20117,936,315'Antenna system and method for making the same'20117,764,246'Wireless device and method for improving antenna characteristic of the wireless device'20107,728,783'Antenna structure'2010D0612368'Double-band antenna'2010D0609224'Antenna'2010D0608354'Double-band antenna'20107,642,972'Antenna'20107,619,572'Dual band antenna'20097,557,759'Integrated multi-band antenna'20097,466,272'Dual-band antenna'2008D0580917'Antenna apparatus'20087,358,903'Triple-band embedded antenna'20087,304,616'Antenna structure of mobile phone'2007D0555155'Multi-band antenna'20076,621,915'Method and system inspecting on-line cotton web homogeneity by digital image processing'20035,418,996'Shoe washing machine'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2014Based in Taichung, TW· patent location history
2007–2011Patents assigned to CHENG UEI PREC IND CO LTD (15)· patent assignee history
2007–2011Based in Tu-Cheng, TW· patent location history
2008–2014Based in Taipei, TW· patent location history
2012–2015Patents assigned to CHEN HUNG-JEN (5)· patent assignee history
2012–2013Patents assigned to CHEN CHAO-MULAN (2)· patent assignee history
2015–2018Patents assigned to MEDIATEK INC (4)· patent assignee history
2015–2017Based in Tainan, TW· patent location history
2017–2019Based in Hsinchu, TW· patent location history
2019Patents assigned to MATERIALS ANALYSIS TECH INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHENG UEI PREC IND CO LTD | 15 | 2007–2011 |
| CHEN HUNG-JENself | 5 | 2012–2015 |
| MEDIATEK INC | 4 | 2015–2018 |
| MATERIALS ANALYSIS TECH INC | 3 | 2019 |
| CHEN CHAO-MULAN | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tu-Cheng, TW | 10 | 2007–2011 |
| Taipei, TW | 8 | 2008–2014 |
| Hsinchu, TW | 7 | 2017–2019 |
| Taichung, TW | 4 | 2003–2014 |
| Tainan, TW | 2 | 2015–2017 |