Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11154394 | Methods of identifying and replacing implanted heart valves | Da-Yu Chang, Derrick Johnson, Brian S. Conklin, Qinggang Zeng, Myron Howanec, Jr. +1 more | 2021-10-26 |
| 10130469 | Expandable surgical heart valve indicators | Da-Yu Chang, Derrick Johnson, Brian S. Conklin, Qinggang Zeng, Myron Howanec, Jr. +1 more | 2018-11-20 |
| 9675453 | Methods of identifying and replacing implanted heart valves | Da-Yu Chang, Derrick Johnson, Brian S. Conklin, Qinggang Zeng, Myron Howanec, Jr. +1 more | 2017-06-13 |
| 9504566 | Surgical heart valves identifiable post-implant | Da-Yu Chang, Derrick Johnson, Brian S. Conklin, Qinggang Zeng, Myron Howanec, Jr. +1 more | 2016-11-29 |