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Patent applications and USPTO patent grants for CHENG; Chien-Chuan.The latest application filed is for "gradual adjustment system and method of lumbar support of seat".
Patent | Date |
---|---|
Gradual Adjustment System And Method Of Lumbar Support Of Seat App 20180055230 - CHENG; Chien-Chuan | 2018-03-01 |
Automatic Inflatable Cushion App 20160128490 - CHENG; Chien-Chuan ;   et al. | 2016-05-12 |
Quantitative Sensor And Manufacturing Method Thereof App 20130004370 - CHEN; Ying-Chung ;   et al. | 2013-01-03 |
Backrest structure App 20110133524 - Cheng; Chien-Chuan | 2011-06-09 |
Seat adjusting method and system thereof App 20100289302 - Cheng; Chien-Chuan | 2010-11-18 |
Dual purpose mat App 20080182071 - Cheng; Chien-chuan | 2008-07-31 |
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