Inventor
CHEN CHUNG-YUAN
TW81 patents
⚠️ This page may combine multiple inventors who share the name “CHEN CHUNG-YUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRIMAX ELECTRONICS LTD
25 patentsUS9634661B1Apr 25, 2017
Optical switch keyboard
PRIMAX ELECTRONICS LTD28 citations94
US9213416B2Dec 15, 2015
Illuminated keyboard
PRIMAX ELECTRONICS LTD51 citations94
US9040856B2May 26, 2015
Luminous keyboard device
PRIMAX ELECTRONICS LTD28 citations94
US9214301B2Dec 15, 2015
Luminous keyboard device
PRIMAX ELECTRONICS LTD22 citations93
US9299516B2Mar 29, 2016
Luminous keyboard device
PRIMAX ELECTRONICS LTD11 citations84
US9299515B2Mar 29, 2016
Luminous keyboard
PRIMAX ELECTRONICS LTD15 citations84
US9022590B2May 5, 2015
Luminous keyboard device
PRIMAX ELECTRONICS LTD7 citations84
US9846492B2Dec 19, 2017
Optical switch keyboard
PRIMAX ELECTRONICS LTD7 citations83
US10410807B2Sep 10, 2019
Luminous keyboard
PRIMAX ELECTRONICS LTD5 citations73
US10401972B2Sep 3, 2019
Force-sensitive input device
PRIMAX ELECTRONICS LTD6 citations73
US10236880B2Mar 19, 2019
Light emitting slim key structure
PRIMAX ELECTRONICS LTD2 citations73
US9905381B1Feb 27, 2018
Luminous keyboard
PRIMAX ELECTRONICS LTD2 citations73
US9899162B2Feb 20, 2018
Keyboard
PRIMAX ELECTRONICS LTD2 citations73
US9892874B2Feb 13, 2018
Luminous keyboard
PRIMAX ELECTRONICS LTD2 citations73
US9496104B1Nov 15, 2016
Luminous keyboard
PRIMAX ELECTRONICS LTD5 citations73
US9230753B2Jan 5, 2016
Illuminated touch keyboard
PRIMAX ELECTRONICS LTD6 citations73
US8888305B2Nov 18, 2014
Illuminated keyboard
PRIMAX ELECTRONICS LTD6 citations73
US10401980B2Sep 3, 2019
Mouse device with button feedback mechanism
PRIMAX ELECTRONICS LTD2 citations71
US10083808B1Sep 25, 2018
Luminous keyboard with gaming function
PRIMAX ELECTRONICS LTD2 citations71
US10429059B1Oct 1, 2019
Cooling fan
PRIMAX ELECTRONICS LTD6 citations70
US10236140B2Mar 19, 2019
Illuminated dual pressure sensing key
PRIMAX ELECTRONICS LTD1 citations63
US10192698B2Jan 29, 2019
Input device with adjustable force level
PRIMAX ELECTRONICS LTD1 citations63
US9502191B1Nov 22, 2016
Luminous keyboard
PRIMAX ELECTRONICS LTD2 citations63
US9331692B2May 3, 2016
Luminous keyboard
PRIMAX ELECTRONICS LTD2 citations63
US9214300B2Dec 15, 2015
Keyboard device with luminous key
PRIMAX ELECTRONICS LTD3 citations63
EASTMAN KODAK CO
3 patentsUS4952495AAug 28, 1990
Hydrolyzable compounds which release electron transfer agents and analytical use of same
EASTMAN KODAK CO36 citations92
US5500333AMar 19, 1996
Class of compounds which increases and stabilizes photographic speed
EASTMAN KODAK CO4 citations63
US5266500ANov 30, 1993
Attachment of compounds to polymeric particles using dication ethers and a kit containing same
EASTMAN KODAK CO4 citations61
HON HAI PREC IND CO LTD
3 patentsPSJ INT LTD
3 patentsUS11438886B2Sep 6, 2022
System for establishing positioning map data and method for the same
PSJ INT LTD6 citations84
US11762396B2Sep 19, 2023
Positioning system and positioning method based on WI-FI fingerprints
PSJ INT LTD0 citations61
US11714426B2Aug 1, 2023
Positioning system and method based on neural network model
PSJ INT LTD0 citations61
CHEN CHUNG-YUAN
3 patentsHONGFUJIN PREC IND SHENZHEN
3 patentsUS7970443B2Jun 28, 2011
Expendable screen and mobile phone using the same and display controlling method therefor
HONGFUJIN PREC IND SHENZHEN18 citations82
US7926133B2Apr 19, 2011
Musical pillow
HONGFUJIN PREC IND SHENZHEN11 citations82
US7752771B2Jul 13, 2010
Depth checking device
HONGFUJIN PREC IND SHENZHEN9 citations82
CHAO CHENG-YI
2 patentsGE HEALTHCARE BIO SCIENCES
1 patentHU BIAO
1 patentXIAO SHI-XIN
1 patentQIN XIAO-HUI
1 patentHONG FU JIN PREC INDUSTRY CO LTD
1 patentSUN TAI-PING
1 patentHuang shi-yong
1 patentPAN XUE-DENG
1 patentShowing the top 50 of 81 patents by PatentIndex Score.