Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8908354 | Electrical instrument having configurable input terminal block | Ya Ho Hsieh, Chun-Pin Chiang | 2014-12-09 |
| 7330342 | Safety tester having a high-voltage switching relay protected by an in-line electronic circuit breaker | Pin-Yi Chen | 2008-02-12 |
| 7026822 | High voltage switching matrix for electrical safety compliance test equipment | Pin-Yi Chen | 2006-04-11 |
| 6744259 | System and method for verifying failure detect circuitry in safety compliance test instruments | — | 2004-06-01 |
| 6549385 | Test circuit for a withstand voltage tester | Pin-Yi Chen | 2003-04-15 |
| 6538420 | Automated run test system having built-in high voltage switching matrix for interconnection to a safety compliance testing instrument | Pin-Yi Chen | 2003-03-25 |
| 6515484 | Electrical test instrument having an improved operator interface | Pin-Yi Chen | 2003-02-04 |
| 6054865 | Multiple function electrical safety compliance analyzer | Pin-Yi Chen | 2000-04-25 |
| 6011398 | Current-leakage tester | Pin-Yi Chen, Chih-Ping Liang | 2000-01-04 |