Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9709637 | Light-emitting element failure detector and method for detecting light-emitting element failure | — | 2017-07-18 |
| 9658274 | Light-emitting element failure detector and method for detecting light-emitting element failure | Shigeki Taniguchi | 2017-05-23 |