JT

John Tsai

EP Excel Precision: 2 patents #1 of 1Top 100%
📍 San Francisco, CA: #63 of 1,047 inventorsTop 7%
🗺 California: #1,459 of 28,521 inventorsTop 6%
Overall (2003): #15,533 of 273,478Top 6%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6648615 Inflator 2003-11-18
6603629 Non-contact servo track writing apparatus and method 2003-08-05
6561420 Information card system Erica Tsai 2003-05-13
6522604 Apparatus and method for inscribing, optically detecting, and using a clock pattern to write a servo pattern in an information storage unit 2003-02-18