Inventor
CHEN CHENG-CHANG
TW23 patents
⚠️ This page may combine multiple inventors who share the name “CHEN CHENG-CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOBSON HYGIENE INT INC
5 patentsUSD413663SSep 7, 1999
Atomizer
BOBSON HYGIENE INT INC25 citations92
USD407477SMar 30, 1999
Air freshener
BOBSON HYGIENE INT INC41 citations92
USD406330SMar 2, 1999
Atomizer
BOBSON HYGIENE INT INC26 citations92
USD387931SDec 23, 1997
Soap dispenser
BOBSON HYGIENE INT INC35 citations92
USD406977SMar 23, 1999
Cleanser dispenser
BOBSON HYGIENE INT INC12 citations73
IND TECH RES INST
5 patentsUS9559326B2Jan 31, 2017
Light emitting element
IND TECH RES INST1 citations51
US9331302B2May 3, 2016
Blue light emitting device and light emitting device
IND TECH RES INST0 citations48
US9741959B1Aug 22, 2017
Light emitting device
IND TECH RES INST0 citations40
US9704924B2Jul 11, 2017
Light emitting device
IND TECH RES INST0 citations40
US9472599B2Oct 18, 2016
Light emitting device
IND TECH RES INST0 citations40
BOBSON HYGIENE INTERNATIONAL I
3 patentsUS6036108AMar 14, 2000
Automatic liquid spraying device
BOBSON HYGIENE INTERNATIONAL I94 citations97
US6053483AApr 25, 2000
Aroma diffuser
BOBSON HYGIENE INTERNATIONAL I20 citations83
US5718261AFeb 17, 1998
Cleaning solution dispenser for use in a water tank, and water tank capable of discharging mixture of water and cleaning solution
BOBSON HYGIENE INTERNATIONAL I9 citations73