Tsai; Tom Jen

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsai; Tom Jen.The latest application filed is for "apparatus and method for practice and evaluation of musical performance of chords".

Company Profile

0.7.2

Tsai; Tom Jen - Hamamatsu JP
Tsai, Tom Jen - Hamamatsu-shi JP
Tsai; Tom Jen - Shizuoka-ken JP

*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
Method and apparatus for displaying music piece data such as lyrics and chord data Grant 6,582,235 - Tsai , et al. June 24, 2	2003-06-24
Computer system and karaoke system Grant 6,572,381 - Tsai June 3, 2	2003-06-03
Apparatus and method for practice and evaluation of musical performance of chords Grant 6,504,090 - Tsai , et al. January 7, 2	2003-01-07
Apparatus and method for practice and evaluation of musical performance of chords App 20020035916 - Tsai, Tom Jen ; et al.	2002-03-28
Apparatus and method for reproduction of tune data Grant 6,355,870 - Tsai , et al. March 12, 2	2002-03-12
Karaoke apparatus Grant 6,352,432 - Tsai , et al. March 5, 2	2002-03-05
Apparatus and method for practice and evaluation of musical performance of chords Grant 6,346,666 - Tsai , et al. February 12, 2	2002-02-12
Network system for composing music by collaboration of terminals App 20010007960 - Yoshihara, Shinji ; et al.	2001-07-12
Karaoke network system with commercial message selection system Grant 5,947,746 - Tsai September 7, 1	1999-09-07

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