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Santa Clara, CA, United States of America

Excel Precision Corporation

USPTO Granted Patents = 19

Forward Citations = 162

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9 inventors (with patents filed for the assignee):

John C Tsai (19 out of 37 patents)

Hubert Song (1 out of 12 patents)

Erica Tsai (1 out of 4 patents)

4. Mao Wang (1 out of 1 patent)

5. Guang-Yao Yan (1 out of 1 patent)

6. Mervyn L Hopson (1 out of 1 patent)

7. Jean Chi (1 out of 1 patent)

8. Kam-Fung Yan (1 out of 1 patent)

9. Mervyn I Hopson (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 7375822 - Rotation and translation measurement (2008-05-20),

2. 7224467 - System for rotation measurement with laser interferometry (2007-05-29),

3. 7196798 - Optical alignment method and apparatus (2007-03-27),

4. 7110121 - Rotation and translation measurement (2006-09-19),

5. 7025265 - Information card system (2006-04-11),

6. 6603629 - Non-contact servo track writing apparatus and method (2003-08-05),

7. 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),

8. 6317200 - Positional measurement with normalized signal processing (2001-11-13),

9. 6316779 - Rotation and translation measurement with phase sensitive detection (2001-11-13),

10. 6266298 - Apparatus and method for inscribing, optically detecting, and using a clock pattern to write a servo pattern in an information storage unit (2001-07-24),

11. 6052186 - Dual laser system for extended heterodyne interferometry (2000-04-18),

12. 5995526 - Transverse Zeeman laser (1999-11-30),

13. 5991112 - Non-contact servotrack writing with phase sensitive detection (1999-11-23),

14. 5920392 - Environmental parameter measurement device and method for laser (1999-07-06),

15. 5774295 - Servo track writing technique (1998-06-30),

Excel Precision Corporation is a leading provider of precision machining services for a wide range of industries. With state-of-the-art facilities and a team of highly skilled engineers and machinists, we deliver high-quality, precision parts to meet our customers' exact specifications. Our commitment to quality, on-time delivery, and customer satisfaction has made us a trusted partner for companies worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

19 Patents

#214 in Santa Clara, CA

#3,961 in California

#16,579 in US

#31,656 in the World

Santa Clara, CA, United States of America

Excel Precision Corporation

Forward Citations = 162

9 inventors:

John C Tsai (19 out of 37 patents)

Hubert Song (1 out of 12 patents)

Erica Tsai (1 out of 4 patents)

4. Mao Wang (1 out of 1 patent)

5. Guang-Yao Yan (1 out of 1 patent)

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