Li; Songnian

Patent Applications and Registrations

Patent applications and USPTO patent grants for Li; Songnian.The latest application filed is for "led driver current amplifier".

Company Profile

0.7.6

Li; Songnian - Beijing CN
Li; Songnian - Kokomo IN
Li, Songnian - US

*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
Downflow catalytic cracking reactor and its application Grant 7,153,478 - Xu , et al. December 26, 2	2006-12-26
Led driver current amplifier Grant 7,038,594 - Voreis , et al. May 2, 2	2006-05-02
Stripper and a stripping process for removing the flue gas carried by regenerated catalyst Grant 6,939,823 - Lu , et al. September 6, 2	2005-09-06
Led driver current amplifier App 20050152123 - Voreis, Thomas L. ; et al.	2005-07-14
Digital camera interface App 20050073586 - Li, Songnian ; et al.	2005-04-07
Stripper and a stripping process for removing the flue gas carried by regenerated catalyst App 20040184970 - Lu, Weimin ; et al.	2004-09-23
Vehicle occupant detection system and method using radar motion sensor Grant 6,753,780 - Li June 22, 2	2004-06-22
Stripper and a stripping process for removing the flue gas carried by regenerated catalyst Grant 6,723,292 - Lu , et al. April 20, 2	2004-04-20
Downflow catalytic cracking reactor and its application App 20040004025 - Xu, Kejia ; et al.	2004-01-08
Vehicle occupant detection system and method using radar motion sensor App 20030201894 - Li, Songnian	2003-10-30
Stripper and a stripping process for removing the flue gas carried by regenerated catalyst App 20020094313 - Lu, Weimin ; et al.	2002-07-18
System and method for eliminating audible noise for ultrasonic transducer Grant 6,243,323 - Li June 5, 2	2001-06-05
Ultrasonic ranging system and method for improving accuracy thereof Grant 6,202,034 - Li March 13, 2	2001-03-13

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