Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10514403 | Capacitance measuring circuit and capacitance measuring method | Yu Kuang, Tsung-Yi Su | 2019-12-24 |
| 5822409 | Incoming message automatic reporting system for fax machines | Joseph J. Chang, James Y. Lee | 1998-10-13 |
| 5743519 | U-turn high capacity sheet feeder for fax machine or printers | Joseph J. Chang, Joe-Te Hsiung, C. Y. Chang | 1998-04-28 |
| 5523821 | Mobile copy machine extension unit | Joseph J. Chang, C. Y. Chang | 1996-06-04 |
| 5505442 | Electronically distributing and confidential paper receiver | Joseph J. Chang, Jenner Chang | 1996-04-09 |
| 5161602 | Graphite mold for single crystal growth of active materials and a process for manufacturing the same | Tsing-Shien Sheu | 1992-11-10 |