Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5727103 | Optical leakage preventing apparatus and self-light-emitting indicating apparatus using the same | Kunio Okamoto | 1998-03-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5727103 | Optical leakage preventing apparatus and self-light-emitting indicating apparatus using the same | Kunio Okamoto | 1998-03-10 |