Cheng; Hung-Chuan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cheng; Hung-Chuan.The latest application filed is for "light source board, manufacturing method thereof, and luminous keyboard using the same".

Company Profile

1.4.6

Cheng; Hung-Chuan - Taoyuan TW
CHENG; Hung-Chuan - Taoyuan City TW
Cheng; Hung-Chuan - Longtan Township TW
Cheng; Hung-Chuan - Taoyuan County TW

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Light source board, manufacturing method thereof, and luminous keyboard using the same Grant 10,895,372 - Huang , et al. January 19, 2	2021-01-19
Light source board, manufacturing method thereof, and luminous keyboard using the same Grant 10,727,009 - Huang , et al.	2020-07-28
Light emitting keyboard and lighting board thereof Grant 10,720,289 - Ho , et al.	2020-07-21
Light source board, manufacturing method thereof, and luminous keyboard using the same Grant 10,692,663 - Huang , et al.	2020-06-23
Light Source Board, Manufacturing Method Thereof, And Luminous Keyboard Using The Same App 20190368706 - HUANG; Heng-Yi ; et al.	2019-12-05
Light Source Board, Manufacturing Method Thereof, And Luminous Keyboard Using The Same App 20190371538 - HUANG; Heng-Yi ; et al.	2019-12-05
Light Source Board, Manufacturing Method Thereof, And Luminous Keyboard Using The Same App 20190371537 - HUANG; Heng-Yi ; et al.	2019-12-05
Optical Disc App 20070166504 - Peng; Chen ; et al.	2007-07-19
Optical Disc Capable Of Revealing Preservation Condition App 20070128433 - Peng; Chen ; et al.	2007-06-07
Optical recording media and method of fabricating the same App 20060121233 - Lin; Chia-Sheng ; et al.	2006-06-08

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